forked from nlohmann/json
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ChangeLog.md
2705 lines (2525 loc) · 268 KB
/
ChangeLog.md
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# Changelog
All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
## [3.10.5](https://github.com/nlohmann/json/releases/tag/3.10.5) (2022-01-02)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.10.4...3.10.5)
- \#include \<filesystem\> doesn't work with gcc-7 when `-std=c++17` is specified. [\#3203](https://github.com/nlohmann/json/issues/3203)
- Not able to use nlohmann json with c++ code built using emscripten to wasm [\#3200](https://github.com/nlohmann/json/issues/3200)
- Warning for shadowed variables [\#3188](https://github.com/nlohmann/json/issues/3188)
- Accessing missing keys on const json object leads to assert [\#3183](https://github.com/nlohmann/json/issues/3183)
- Data member is available, but null is reported, and program throws error [\#3173](https://github.com/nlohmann/json/issues/3173)
- serialization problem, from\_json need construct new object [\#3169](https://github.com/nlohmann/json/issues/3169)
- std::filesystem unavailable on macOS lower deployment targets [\#3156](https://github.com/nlohmann/json/issues/3156)
- \[json.exception.type\_error.305\] cannot use operator\[\] with a string argument with string [\#3151](https://github.com/nlohmann/json/issues/3151)
- json::dump\(\) is not compatible with C++ standards [\#3147](https://github.com/nlohmann/json/issues/3147)
- Issue with json::parse decoding codepoints [\#3142](https://github.com/nlohmann/json/issues/3142)
- Simple parse of json object thinks it should be an array [\#3136](https://github.com/nlohmann/json/issues/3136)
- How to properly read a Json string that may be null in some cases? [\#3135](https://github.com/nlohmann/json/issues/3135)
- Deadlock on create json - windows only [\#3129](https://github.com/nlohmann/json/issues/3129)
- Wrong parsing of int64 values nearest of limit [\#3126](https://github.com/nlohmann/json/issues/3126)
- ordered\_json doesn't support range based erase [\#3108](https://github.com/nlohmann/json/issues/3108)
- Apple build failed with json/single\_include/nlohmann/json.hpp:4384:57: 'path' is unavailable [\#3097](https://github.com/nlohmann/json/issues/3097)
- GCC 7.5.0 with --std=c++17: filesystem: No such file or directory [\#3090](https://github.com/nlohmann/json/issues/3090)
- Drop Travis CI [\#3087](https://github.com/nlohmann/json/issues/3087)
- ordered\_json::reset\(\) compile error with nvcc [\#3013](https://github.com/nlohmann/json/issues/3013)
- Support for unordered\_map as object\_t [\#2932](https://github.com/nlohmann/json/issues/2932)
- Compiler warning with Intel compiler, same as \#755 [\#2712](https://github.com/nlohmann/json/issues/2712)
- Compiler warnings with NVCC 11.2 [\#2676](https://github.com/nlohmann/json/issues/2676)
- some static analysis warning at line 11317 [\#1390](https://github.com/nlohmann/json/issues/1390)
- Compiling with icpc [\#755](https://github.com/nlohmann/json/issues/755)
- Fix compilation error with NVCC [\#3234](https://github.com/nlohmann/json/pull/3234) ([nlohmann](https://github.com/nlohmann))
- Remove Travis CI [\#3233](https://github.com/nlohmann/json/pull/3233) ([nlohmann](https://github.com/nlohmann))
- Add build step for NVCC and fix a warning [\#3227](https://github.com/nlohmann/json/pull/3227) ([nlohmann](https://github.com/nlohmann))
- Update cpplint [\#3225](https://github.com/nlohmann/json/pull/3225) ([nlohmann](https://github.com/nlohmann))
- Fix: Warning for shadowed variables \(\#3188\) [\#3193](https://github.com/nlohmann/json/pull/3193) ([kernie](https://github.com/kernie))
- Fix FAQ hyperlink typo in readme [\#3148](https://github.com/nlohmann/json/pull/3148) ([Prince-Mendiratta](https://github.com/Prince-Mendiratta))
- Docs: Update `skip_comments` to `ignore_comments` [\#3145](https://github.com/nlohmann/json/pull/3145) ([daniel-kun](https://github.com/daniel-kun))
- fix typos in documentation [\#3140](https://github.com/nlohmann/json/pull/3140) ([striezel](https://github.com/striezel))
- Fix spelling [\#3125](https://github.com/nlohmann/json/pull/3125) ([axic](https://github.com/axic))
- Extend std specializations [\#3121](https://github.com/nlohmann/json/pull/3121) ([nlohmann](https://github.com/nlohmann))
- Add missing erase\(first, last\) function to ordered\_map [\#3109](https://github.com/nlohmann/json/pull/3109) ([nlohmann](https://github.com/nlohmann))
- Fix typos in operator\[\] documentation [\#3102](https://github.com/nlohmann/json/pull/3102) ([axnsan12](https://github.com/axnsan12))
- Add C++17 copies of the test binaries [\#3101](https://github.com/nlohmann/json/pull/3101) ([nlohmann](https://github.com/nlohmann))
- Add examples for parsing from iterator pair [\#3100](https://github.com/nlohmann/json/pull/3100) ([nlohmann](https://github.com/nlohmann))
- Update CI [\#3088](https://github.com/nlohmann/json/pull/3088) ([nlohmann](https://github.com/nlohmann))
- Revert invalid fix [\#3082](https://github.com/nlohmann/json/pull/3082) ([nlohmann](https://github.com/nlohmann))
- Allow to use get with explicit constructor [\#3079](https://github.com/nlohmann/json/pull/3079) ([nlohmann](https://github.com/nlohmann))
- fix std::filesystem::path regression [\#3073](https://github.com/nlohmann/json/pull/3073) ([theodelrieu](https://github.com/theodelrieu))
- Consolidate documentation [\#3071](https://github.com/nlohmann/json/pull/3071) ([nlohmann](https://github.com/nlohmann))
- Add recursive update function [\#3069](https://github.com/nlohmann/json/pull/3069) ([nlohmann](https://github.com/nlohmann))
- Fix Clang version [\#3040](https://github.com/nlohmann/json/pull/3040) ([nlohmann](https://github.com/nlohmann))
- Fix assertion failure for JSON\_DIAGNOSTICS [\#3037](https://github.com/nlohmann/json/pull/3037) ([carlsmedstad](https://github.com/carlsmedstad))
- meta: fix is\_compatible/constructible traits [\#3020](https://github.com/nlohmann/json/pull/3020) ([theodelrieu](https://github.com/theodelrieu))
- Set parent pointers for values inserted via update\(\) \(fixes \#3007\). [\#3008](https://github.com/nlohmann/json/pull/3008) ([AnthonyVH](https://github.com/AnthonyVH))
- Allow allocators for output\_vector\_adapter [\#2989](https://github.com/nlohmann/json/pull/2989) ([nlohmann](https://github.com/nlohmann))
- Re-add Clang 12 [\#2986](https://github.com/nlohmann/json/pull/2986) ([nlohmann](https://github.com/nlohmann))
- Use new Docker image [\#2981](https://github.com/nlohmann/json/pull/2981) ([nlohmann](https://github.com/nlohmann))
- Fix -Wunused warnings on JSON\_DIAGNOSTICS [\#2976](https://github.com/nlohmann/json/pull/2976) ([gcerretani](https://github.com/gcerretani))
- Update docset generation script [\#2967](https://github.com/nlohmann/json/pull/2967) ([nlohmann](https://github.com/nlohmann))
## [v3.10.4](https://github.com/nlohmann/json/releases/tag/v3.10.4) (2021-10-16)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.10.3...v3.10.4)
- Compiler error in output serializer due to 'incompatible initializer' [\#3081](https://github.com/nlohmann/json/issues/3081)
- Strange behaviour when using std::sort on std::vector\<json\> [\#3080](https://github.com/nlohmann/json/issues/3080)
- Unhandled exception: nlohmann::detail::parse\_error [\#3078](https://github.com/nlohmann/json/issues/3078)
- explicit constructor with default does not compile [\#3077](https://github.com/nlohmann/json/issues/3077)
- Parse an object but get an array using GCC [\#3076](https://github.com/nlohmann/json/issues/3076)
- Version 3.10.3 breaks backward-compatibility with 3.10.2 [\#3070](https://github.com/nlohmann/json/issues/3070)
- Feature request, Add to\_json/from\_json to align with other to/from binary api. [\#3067](https://github.com/nlohmann/json/issues/3067)
- vcpkg is out of date [\#3066](https://github.com/nlohmann/json/issues/3066)
## [v3.10.3](https://github.com/nlohmann/json/releases/tag/v3.10.3) (2021-10-08)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.10.2...v3.10.3)
- Parsing an emtpy string returns a string with size 1 instead of expected 0 [\#3057](https://github.com/nlohmann/json/issues/3057)
- Linking error "duplicate symbol: std::type\_info::operator==" on static build with MinGW [\#3042](https://github.com/nlohmann/json/issues/3042)
- Yet another assertion failure when inserting into arrays with JSON\_DIAGNOSTICS set [\#3032](https://github.com/nlohmann/json/issues/3032)
- accept and parse function not work well with a pure number string [\#3029](https://github.com/nlohmann/json/issues/3029)
- push\_back doesn't work for serializing containers [\#3027](https://github.com/nlohmann/json/issues/3027)
- Strange behaviour when creating array with single element [\#3025](https://github.com/nlohmann/json/issues/3025)
- Input ordered\_json doesn't work [\#3023](https://github.com/nlohmann/json/issues/3023)
- Issue iterating through 'items' [\#3021](https://github.com/nlohmann/json/issues/3021)
- Cannot spell the namespace right [\#3015](https://github.com/nlohmann/json/issues/3015)
- JSON Parse error when reading json object from file [\#3011](https://github.com/nlohmann/json/issues/3011)
- Parent pointer not properly set when using update\(\) [\#3007](https://github.com/nlohmann/json/issues/3007)
- Overwriting terminated null character [\#3001](https://github.com/nlohmann/json/issues/3001)
- 'operator =' is ambiguous on VS2017 [\#2997](https://github.com/nlohmann/json/issues/2997)
- JSON Patch for Array Elements [\#2994](https://github.com/nlohmann/json/issues/2994)
- JSON Parse throwing error [\#2983](https://github.com/nlohmann/json/issues/2983)
- to\_{binary format} does not provide a mechanism for specifying a custom allocator for the returned type. [\#2982](https://github.com/nlohmann/json/issues/2982)
- 3.10.1 zip json.hpp has version number 3.10.0 instead of 3.10.1 [\#2973](https://github.com/nlohmann/json/issues/2973)
- Assertion failure when serializing array with JSON\_DIAGNOSTICS set [\#2926](https://github.com/nlohmann/json/issues/2926)
## [v3.10.2](https://github.com/nlohmann/json/releases/tag/v3.10.2) (2021-08-26)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.10.1...v3.10.2)
- Annoying -Wundef on new JSON\_DIAGNOSTICS macro [\#2975](https://github.com/nlohmann/json/issues/2975)
- += issue with multiple redirection. [\#2970](https://github.com/nlohmann/json/issues/2970)
- "incomplete type ‘nlohmann::detail::wide\_string\_input\_helper" compilation error [\#2969](https://github.com/nlohmann/json/issues/2969)
## [v3.10.1](https://github.com/nlohmann/json/releases/tag/v3.10.1) (2021-08-24)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.10.0...v3.10.1)
- JSON\_DIAGNOSTICS assertion for ordered\_json [\#2962](https://github.com/nlohmann/json/issues/2962)
- Inserting in unordered json using a pointer retains the leading slash [\#2958](https://github.com/nlohmann/json/issues/2958)
- Test \#9: test-cbor test case sample.json fails in debug mode - Stack overflow [\#2955](https://github.com/nlohmann/json/issues/2955)
- 3.10.0 broke at least the Bear project [\#2953](https://github.com/nlohmann/json/issues/2953)
- 2 tests fail in 3.10.0: cmake\_fetch\_content\_configure, cmake\_fetch\_content\_build [\#2951](https://github.com/nlohmann/json/issues/2951)
- ctest \(58+60,/67 cmake\_import\_configure\) fails when build with -D JSON\_Install:BOOL=OFF because of missing nlohmann\_jsonTargets.cmake [\#2946](https://github.com/nlohmann/json/issues/2946)
- Document vcpkg usage [\#2944](https://github.com/nlohmann/json/issues/2944)
- Linker error LNK2005 when compiling \(x64\) json-3.10.0.zip with Visual Studio 2019 16.11.1 [\#2941](https://github.com/nlohmann/json/issues/2941)
- Move Travis jobs to travis-ci.com [\#2938](https://github.com/nlohmann/json/issues/2938)
- Fixed typo in docs/api/basic\_json/parse.md [\#2968](https://github.com/nlohmann/json/pull/2968) ([mb0202](https://github.com/mb0202))
- Add link to Homebrew package [\#2966](https://github.com/nlohmann/json/pull/2966) ([nlohmann](https://github.com/nlohmann))
- Fix parent update for diagnostics with ordered\_json [\#2963](https://github.com/nlohmann/json/pull/2963) ([nlohmann](https://github.com/nlohmann))
- Set stack size for some unit tests when using MSVC [\#2961](https://github.com/nlohmann/json/pull/2961) ([nlohmann](https://github.com/nlohmann))
- Add regression test [\#2960](https://github.com/nlohmann/json/pull/2960) ([nlohmann](https://github.com/nlohmann))
- Update Travis badge [\#2959](https://github.com/nlohmann/json/pull/2959) ([nlohmann](https://github.com/nlohmann))
- Fix some extra ";" clang warnings [\#2957](https://github.com/nlohmann/json/pull/2957) ([Hallot](https://github.com/Hallot))
- Add documentation for integration via vcpkg [\#2954](https://github.com/nlohmann/json/pull/2954) ([nlohmann](https://github.com/nlohmann))
- Avoid duplicate AppVeyor builds [\#2952](https://github.com/nlohmann/json/pull/2952) ([nlohmann](https://github.com/nlohmann))
- 🚨 fix gdb\_pretty\_printer failure on basic types [\#2950](https://github.com/nlohmann/json/pull/2950) ([senyai](https://github.com/senyai))
- Add header to use value\_t [\#2948](https://github.com/nlohmann/json/pull/2948) ([nlohmann](https://github.com/nlohmann))
- Skip some tests if JSON\_Install is not set [\#2947](https://github.com/nlohmann/json/pull/2947) ([nlohmann](https://github.com/nlohmann))
- Remove outdated json\_unit test binary [\#2945](https://github.com/nlohmann/json/pull/2945) ([nlohmann](https://github.com/nlohmann))
- Updating the Homebrew Command [\#2943](https://github.com/nlohmann/json/pull/2943) ([amirmasoudabdol](https://github.com/amirmasoudabdol))
## [v3.10.0](https://github.com/nlohmann/json/releases/tag/v3.10.0) (2021-08-17)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.9.1...v3.10.0)
- Latest version 3.9.1 uses throw instead of JSON\_THROW in the amalgamated json.hpp file [\#2934](https://github.com/nlohmann/json/issues/2934)
- Copy to a variable inside a Structure [\#2933](https://github.com/nlohmann/json/issues/2933)
- warning C4068: unknown pragma 'GCC' on MSVC/cl [\#2924](https://github.com/nlohmann/json/issues/2924)
- Errors during ninja test [\#2918](https://github.com/nlohmann/json/issues/2918)
- compiler warning: "not return a value" [\#2917](https://github.com/nlohmann/json/issues/2917)
- Comparison floating points causes warning [\#2909](https://github.com/nlohmann/json/issues/2909)
- Why can't I have std::vector\<json&\> testList? [\#2900](https://github.com/nlohmann/json/issues/2900)
- \[json.hpp\] from releases doesnt work [\#2897](https://github.com/nlohmann/json/issues/2897)
- g++ \(11\) -Wuseless-cast gives lots of warnings [\#2893](https://github.com/nlohmann/json/issues/2893)
- Cannot serialize and immediatly deserialize json to/from bson [\#2892](https://github.com/nlohmann/json/issues/2892)
- Floating-point precision conversion error [\#2876](https://github.com/nlohmann/json/issues/2876)
- How to avoid escaping for an already escaped string in .dump\(\) [\#2870](https://github.com/nlohmann/json/issues/2870)
- can't parse std::vector\<std::byte\> [\#2869](https://github.com/nlohmann/json/issues/2869)
- ASAN detects memory leaks [\#2865](https://github.com/nlohmann/json/issues/2865)
- Binary subtype field cannot represent all CBOR tags [\#2863](https://github.com/nlohmann/json/issues/2863)
- string literals possibly being parsed as another type due to the presence of only digits and full-stops [\#2852](https://github.com/nlohmann/json/issues/2852)
- json::parse\(\) works only with absolute paths [\#2851](https://github.com/nlohmann/json/issues/2851)
- Compiler Warnings on Raspberry Pi OS [\#2850](https://github.com/nlohmann/json/issues/2850)
- Braced initialization and aggregate initialization behavior is different for `json::array()` function call. [\#2848](https://github.com/nlohmann/json/issues/2848)
- 3.9.1: test suite is failing [\#2845](https://github.com/nlohmann/json/issues/2845)
- Documentation for macro JSON\_NO\_IO is missing [\#2842](https://github.com/nlohmann/json/issues/2842)
- Assertion failure when inserting into arrays with JSON\_DIAGNOSTICS set [\#2838](https://github.com/nlohmann/json/issues/2838)
- HELP! There is a memory leak in the code?! [\#2837](https://github.com/nlohmann/json/issues/2837)
- Elegant conversion of a 2-D-json array to a standard C++ array [\#2805](https://github.com/nlohmann/json/issues/2805)
- Swift Package Manager support [\#2802](https://github.com/nlohmann/json/issues/2802)
- Referencing a subkey which doesn't exist gives crash [\#2797](https://github.com/nlohmann/json/issues/2797)
- Failed benchmark due to renamed branch [\#2796](https://github.com/nlohmann/json/issues/2796)
- Build Errors with VS 2019 and json Version 3.9.1 when attempting to replicate SAX Example [\#2782](https://github.com/nlohmann/json/issues/2782)
- Value with spaces cannot be parsed [\#2781](https://github.com/nlohmann/json/issues/2781)
- \[Question\] CBOR rfc support. [\#2779](https://github.com/nlohmann/json/issues/2779)
- Using JSON.hpp header file in Visual Studio 2013 \(C++ Project\) [\#2775](https://github.com/nlohmann/json/issues/2775)
- compilation error on clang-8 + C++17 [\#2759](https://github.com/nlohmann/json/issues/2759)
- Undefined symbol EOF [\#2755](https://github.com/nlohmann/json/issues/2755)
- Parsing a string into json object behaves differently under g++ and MinGW compilers. [\#2746](https://github.com/nlohmann/json/issues/2746)
- big git history size [\#2742](https://github.com/nlohmann/json/issues/2742)
- How to get reference of std::vector\<T\> [\#2735](https://github.com/nlohmann/json/issues/2735)
- CMake failure in VS2019 Community [\#2734](https://github.com/nlohmann/json/issues/2734)
- Possibility to use with custom c++ version to use in intel sgx enclaves [\#2730](https://github.com/nlohmann/json/issues/2730)
- Possibility to use without the dependency to file io and streams to use in intel sgx enclaves [\#2728](https://github.com/nlohmann/json/issues/2728)
- error C2784& error C2839... in my visual studio 2015 compiler [\#2726](https://github.com/nlohmann/json/issues/2726)
- `-fno-expection` not respected anymore in 3.9.1 [\#2725](https://github.com/nlohmann/json/issues/2725)
- When exceptions disabled with JSON\_NOEXCEPTION, lib just aborts without any message [\#2724](https://github.com/nlohmann/json/issues/2724)
- Critical error detected c0000374 on windows10 msvc 2019 16.8.5 [\#2710](https://github.com/nlohmann/json/issues/2710)
- unused parameter error/warning [\#2706](https://github.com/nlohmann/json/issues/2706)
- How to store data into a Map from json file [\#2691](https://github.com/nlohmann/json/issues/2691)
- Tests do not compile with pre-release glibc [\#2686](https://github.com/nlohmann/json/issues/2686)
- compile errors .... chromium-style [\#2680](https://github.com/nlohmann/json/issues/2680)
- .dump\(\) not allowing compact form [\#2678](https://github.com/nlohmann/json/issues/2678)
- error: no matching function for call to ‘nlohmann::basic\_json\<\>::value\(int, std::set\<int\>&\)’ [\#2671](https://github.com/nlohmann/json/issues/2671)
- Compiler warning: unused parameter [\#2668](https://github.com/nlohmann/json/issues/2668)
- Deserializing to a struct as shown on the project homepage throws compile time errors [\#2665](https://github.com/nlohmann/json/issues/2665)
- Unable to compile on MSVC 2019 with SDL checking enabled: This function or variable may be unsafe [\#2664](https://github.com/nlohmann/json/issues/2664)
- terminating with uncaught exception of type nlohmann::detail::type\_error: \[json.exception.type\_error.302\] type must be array, but is object [\#2661](https://github.com/nlohmann/json/issues/2661)
- unused-parameter on OSX when Diagnostics is off [\#2658](https://github.com/nlohmann/json/issues/2658)
- std::pair wrong serialization [\#2655](https://github.com/nlohmann/json/issues/2655)
- The result of json is\_number\_integer\(\) function is wrong when read a json file [\#2653](https://github.com/nlohmann/json/issues/2653)
- 2 backslash cause problem [\#2652](https://github.com/nlohmann/json/issues/2652)
- No support for using an external/system copy of Hedley [\#2651](https://github.com/nlohmann/json/issues/2651)
- error: incomplete type 'qfloat16' used in type trait expression [\#2650](https://github.com/nlohmann/json/issues/2650)
- Unused variable in exception class when not using improved diagnostics [\#2646](https://github.com/nlohmann/json/issues/2646)
- I am trying to do this - converting from wstring works incorrectly! [\#2642](https://github.com/nlohmann/json/issues/2642)
- Exception 207 On ARM Processor During Literal String Parsing [\#2634](https://github.com/nlohmann/json/issues/2634)
- double free or corruption \(!prev\) error on Json push\_back and write [\#2632](https://github.com/nlohmann/json/issues/2632)
- nlohmann::detail::parse\_error: syntax error while parsing CBOR string: expected length specification \(0x60-0x7B\) or indefinite string type \(0x7F\) [\#2629](https://github.com/nlohmann/json/issues/2629)
- please allow disabling implicit conversions in non-single-file use [\#2621](https://github.com/nlohmann/json/issues/2621)
- Preserve decimal formatting [\#2618](https://github.com/nlohmann/json/issues/2618)
- Visual Studio Visual Assist code issues reported by VA code inspection of file json.hpp [\#2615](https://github.com/nlohmann/json/issues/2615)
- Missing get function and no viable overloaded '=' on mac [\#2610](https://github.com/nlohmann/json/issues/2610)
- corruption when parse from string [\#2603](https://github.com/nlohmann/json/issues/2603)
- Parse from byte-vector results in compile error [\#2602](https://github.com/nlohmann/json/issues/2602)
- Memory leak when working on ARM Linux [\#2601](https://github.com/nlohmann/json/issues/2601)
- Unhandled exception in test-cbor.exe Stack overflow when debugging project with Visual Studio 2019 16.7.7 compiled with c++17 or c++latest [\#2598](https://github.com/nlohmann/json/issues/2598)
- Error in download\_test\_data.vcxproj when compiling with Visual Studio 2019 16.7.7 Professional msbuild on Windows 10 2004 Professional [\#2594](https://github.com/nlohmann/json/issues/2594)
- Warnings C4715 and C4127 when building json-3.9.1 with Visual Studio 2019 16.7.7 [\#2592](https://github.com/nlohmann/json/issues/2592)
- I tried some change to dump\(\) for \[1,2,3...\] [\#2584](https://github.com/nlohmann/json/issues/2584)
- try/catch block does not catch parsing error [\#2579](https://github.com/nlohmann/json/issues/2579)
- Serializing uint64\_t is broken for large values [\#2578](https://github.com/nlohmann/json/issues/2578)
- deserializing arrays should be part of the library [\#2575](https://github.com/nlohmann/json/issues/2575)
- Deserialization to std::array with non-default constructable types fails [\#2574](https://github.com/nlohmann/json/issues/2574)
- Compilation error when trying to use same type for number\_integer\_t and number\_unsigned\_t in basic\_json template specification. [\#2573](https://github.com/nlohmann/json/issues/2573)
- compiler error: directive output may be truncated writing between 2 and 8 bytes [\#2572](https://github.com/nlohmann/json/issues/2572)
- Incorrect convert map to json when key cannot construct an string i.e. int [\#2564](https://github.com/nlohmann/json/issues/2564)
- no matching function for call to ‘nlohmann::basic\_json\<\>::basic\_json\(\<brace-enclosed initializer list\>\)’ [\#2559](https://github.com/nlohmann/json/issues/2559)
- type\_error factory creates a dangling pointer \(in VisualStudio 2019\) [\#2535](https://github.com/nlohmann/json/issues/2535)
- Cannot assign from ordered\_json vector\<CustomStruct\> to value in not ordered json [\#2528](https://github.com/nlohmann/json/issues/2528)
- Qt6: Break changes [\#2519](https://github.com/nlohmann/json/issues/2519)
- valgrind memcheck Illegal instruction when use nlohmann::json::parse [\#2518](https://github.com/nlohmann/json/issues/2518)
- Buffer overflow [\#2515](https://github.com/nlohmann/json/issues/2515)
- Including CTest in the top-level CMakeLists.txt sets BUILD\_TESTING=ON for parent projects [\#2513](https://github.com/nlohmann/json/issues/2513)
- Compilation error when using NLOHMANN\_JSON\_SERIALIZE\_ENUM ordered\_json on libc++ [\#2491](https://github.com/nlohmann/json/issues/2491)
- Missing "void insert\( InputIt first, InputIt last \);" overload in nlohmann::ordered\_map [\#2490](https://github.com/nlohmann/json/issues/2490)
- Could not find a package configuration file provided by "nlohmann\_json" [\#2482](https://github.com/nlohmann/json/issues/2482)
- json becomes empty for unknown reason [\#2470](https://github.com/nlohmann/json/issues/2470)
- Using std::wstring as StringType fails compiling [\#2459](https://github.com/nlohmann/json/issues/2459)
- Sample code in GIF slide outdated \(cannot use emplace\(\) with array\) [\#2457](https://github.com/nlohmann/json/issues/2457)
- from\_json\<std::wstring\> is treated as an array on latest MSVC [\#2453](https://github.com/nlohmann/json/issues/2453)
- MemorySanitizer: use-of-uninitialized-value [\#2449](https://github.com/nlohmann/json/issues/2449)
- I need help [\#2441](https://github.com/nlohmann/json/issues/2441)
- type conversion failing with clang ext\_vector\_type [\#2436](https://github.com/nlohmann/json/issues/2436)
- json::parse\(\) can't be resolved under specific circumstances [\#2427](https://github.com/nlohmann/json/issues/2427)
- from\_\*\(ptr, len\) deprecation [\#2426](https://github.com/nlohmann/json/issues/2426)
- Error ONLY in release mode [\#2425](https://github.com/nlohmann/json/issues/2425)
- "Custom data source" exemple make no sense [\#2423](https://github.com/nlohmann/json/issues/2423)
- Compile errors [\#2421](https://github.com/nlohmann/json/issues/2421)
- Refuses to compile in project [\#2419](https://github.com/nlohmann/json/issues/2419)
- Compilation failure of tests with C++20 standard \(caused by change of u8 literals\) [\#2413](https://github.com/nlohmann/json/issues/2413)
- No matching function for call to 'input\_adapter' under Xcode of with nlohmann version 3.9.1 [\#2412](https://github.com/nlohmann/json/issues/2412)
- Git tags are not valid semvers [\#2409](https://github.com/nlohmann/json/issues/2409)
- after dump, stderr output disappear [\#2403](https://github.com/nlohmann/json/issues/2403)
- Using custom string. [\#2398](https://github.com/nlohmann/json/issues/2398)
- value\(\) throws unhandled exception for partially specified json object [\#2393](https://github.com/nlohmann/json/issues/2393)
- assertion on runtime causes program to stop when accessing const json with missing key [\#2392](https://github.com/nlohmann/json/issues/2392)
- Usage with -fno-elide-constructors causes dump\(\) output to be array of `null`s [\#2387](https://github.com/nlohmann/json/issues/2387)
- Build fails with clang-cl due to override of CMAKE\_CXX\_COMPILER\(?\) [\#2384](https://github.com/nlohmann/json/issues/2384)
- std::optional not working with primitive types [\#2383](https://github.com/nlohmann/json/issues/2383)
- Unexpected array when initializing a json const& on gcc 4.8.5 using uniform syntax [\#2370](https://github.com/nlohmann/json/issues/2370)
- setprecision support [\#2362](https://github.com/nlohmann/json/issues/2362)
- json::parse\(allow\_exceptions = false\) documentation is misleading. [\#2360](https://github.com/nlohmann/json/issues/2360)
- std::begin and std::end usage without specifying std namespace [\#2359](https://github.com/nlohmann/json/issues/2359)
- Custom object conversion to json hangs in background thread [\#2358](https://github.com/nlohmann/json/issues/2358)
- Add support of nullable fields to NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE and NLOHMANN\_DEFINE\_TYPE\_INTRUSIVE [\#2356](https://github.com/nlohmann/json/issues/2356)
- the portfile for the vcpkg is not working. [\#2351](https://github.com/nlohmann/json/issues/2351)
- Compiler warns of implicit fallthrough when defining preprocessor macro NDEBUG [\#2348](https://github.com/nlohmann/json/issues/2348)
- Compile error on Intel compiler running in Windows [\#2346](https://github.com/nlohmann/json/issues/2346)
- Build error caused by overwriting CMAKE\_CXX\_COMPILER [\#2343](https://github.com/nlohmann/json/issues/2343)
- Error: an attribute list cannot appear here JSON\_HEDLEY\_DEPRECATED\_FOR [\#2342](https://github.com/nlohmann/json/issues/2342)
- compiler warning [\#2341](https://github.com/nlohmann/json/issues/2341)
- 3.9.0: tests make build non-reproducible [\#2324](https://github.com/nlohmann/json/issues/2324)
- Initialization different between gcc/clang [\#2311](https://github.com/nlohmann/json/issues/2311)
- Attempt to `get()` a numeric value as a type which cannot represent it should throw [\#2310](https://github.com/nlohmann/json/issues/2310)
- Surprising behaviour with overloaded operators [\#2256](https://github.com/nlohmann/json/issues/2256)
- ADL issue in input\_adapter [\#2248](https://github.com/nlohmann/json/issues/2248)
- Output adapters should be templated. [\#2172](https://github.com/nlohmann/json/issues/2172)
- error when using nlohmann::json, std::function and std::bind [\#2147](https://github.com/nlohmann/json/issues/2147)
- Remove undefined behavior for const operator\[\] [\#2111](https://github.com/nlohmann/json/issues/2111)
- json\({}\) gives null instead of empty object with GCC and -std=c++17 [\#2046](https://github.com/nlohmann/json/issues/2046)
- GDB pretty printing support [\#1952](https://github.com/nlohmann/json/issues/1952)
- Always compile tests with all warnings enabled and error out on warnings [\#1798](https://github.com/nlohmann/json/issues/1798)
- Fixes Cppcheck warnings [\#1759](https://github.com/nlohmann/json/issues/1759)
- How to get position info or parser context with custom from\_json\(\) that may throw exceptions? [\#1508](https://github.com/nlohmann/json/issues/1508)
- Suggestion to improve value\(\) accessors with respect to move semantics [\#1275](https://github.com/nlohmann/json/issues/1275)
- Add Key name to Exception [\#932](https://github.com/nlohmann/json/issues/932)
- Overwork warning flags [\#2936](https://github.com/nlohmann/json/pull/2936) ([nlohmann](https://github.com/nlohmann))
- Treat MSVC warnings as errors [\#2930](https://github.com/nlohmann/json/pull/2930) ([nlohmann](https://github.com/nlohmann))
- All: fix warnings when compiling with -Wswitch-enum [\#2927](https://github.com/nlohmann/json/pull/2927) ([fhuberts](https://github.com/fhuberts))
- Guard GCC pragmas [\#2925](https://github.com/nlohmann/json/pull/2925) ([nlohmann](https://github.com/nlohmann))
- Supress -Wfloat-equal on intended float comparisions [\#2911](https://github.com/nlohmann/json/pull/2911) ([Finkman](https://github.com/Finkman))
- Fix binary subtypes [\#2908](https://github.com/nlohmann/json/pull/2908) ([nlohmann](https://github.com/nlohmann))
- Fix useless-cast warnings [\#2902](https://github.com/nlohmann/json/pull/2902) ([nlohmann](https://github.com/nlohmann))
- Add regression test [\#2898](https://github.com/nlohmann/json/pull/2898) ([nlohmann](https://github.com/nlohmann))
- Refactor Unicode tests [\#2889](https://github.com/nlohmann/json/pull/2889) ([nlohmann](https://github.com/nlohmann))
- CMake cleanup [\#2885](https://github.com/nlohmann/json/pull/2885) ([nlohmann](https://github.com/nlohmann))
- Avoid string in case of empty CBOR objects [\#2879](https://github.com/nlohmann/json/pull/2879) ([nlohmann](https://github.com/nlohmann))
- Suppress C4127 warning in unit-json\_pointer.cpp [\#2875](https://github.com/nlohmann/json/pull/2875) ([nlohmann](https://github.com/nlohmann))
- Fix truncation warning [\#2874](https://github.com/nlohmann/json/pull/2874) ([nlohmann](https://github.com/nlohmann))
- Fix memory leak in to\_json [\#2872](https://github.com/nlohmann/json/pull/2872) ([nlohmann](https://github.com/nlohmann))
- Fix assertion failure in diagnostics [\#2866](https://github.com/nlohmann/json/pull/2866) ([nlohmann](https://github.com/nlohmann))
- Update documentation [\#2861](https://github.com/nlohmann/json/pull/2861) ([nlohmann](https://github.com/nlohmann))
- Consistency with `using` in README.md [\#2826](https://github.com/nlohmann/json/pull/2826) ([justanotheranonymoususer](https://github.com/justanotheranonymoususer))
- Properly constrain the basic\_json conversion operator [\#2825](https://github.com/nlohmann/json/pull/2825) ([ldionne](https://github.com/ldionne))
- Fix CI [\#2817](https://github.com/nlohmann/json/pull/2817) ([nlohmann](https://github.com/nlohmann))
- Specified git branch for google benchmark fetch in benchmark test [\#2795](https://github.com/nlohmann/json/pull/2795) ([grafail](https://github.com/grafail))
- Add C++ standards to macOS matrix [\#2790](https://github.com/nlohmann/json/pull/2790) ([nlohmann](https://github.com/nlohmann))
- Update URLs to HTTPS [\#2789](https://github.com/nlohmann/json/pull/2789) ([TotalCaesar659](https://github.com/TotalCaesar659))
- Link to Conan Center package added [\#2771](https://github.com/nlohmann/json/pull/2771) ([offa](https://github.com/offa))
- Keep consistent formatting [\#2770](https://github.com/nlohmann/json/pull/2770) ([jasmcaus](https://github.com/jasmcaus))
- Add a cmake option to use SYSTEM in target\_include\_directories [\#2762](https://github.com/nlohmann/json/pull/2762) ([jpl-mac](https://github.com/jpl-mac))
- replace EOF with std::char\_traits\<char\>::eof\(\) [\#2756](https://github.com/nlohmann/json/pull/2756) ([nlohmann](https://github.com/nlohmann))
- Fix typo in README [\#2754](https://github.com/nlohmann/json/pull/2754) ([mortenfyhn](https://github.com/mortenfyhn))
- Update documentation [\#2749](https://github.com/nlohmann/json/pull/2749) ([nlohmann](https://github.com/nlohmann))
- Add documentation for numbers [\#2747](https://github.com/nlohmann/json/pull/2747) ([nlohmann](https://github.com/nlohmann))
- Use Clang 12 in CI [\#2737](https://github.com/nlohmann/json/pull/2737) ([nlohmann](https://github.com/nlohmann))
- Fixes \#2730 [\#2731](https://github.com/nlohmann/json/pull/2731) ([theShmoo](https://github.com/theShmoo))
- Possibility to use without the dependency to file io and streams to use in intel sgx enclaves [\#2729](https://github.com/nlohmann/json/pull/2729) ([theShmoo](https://github.com/theShmoo))
- Update json.hpp [\#2707](https://github.com/nlohmann/json/pull/2707) ([raduteo](https://github.com/raduteo))
- pkg-config.pc.in: Don't concatenate paths [\#2690](https://github.com/nlohmann/json/pull/2690) ([doronbehar](https://github.com/doronbehar))
- add more CI steps [\#2689](https://github.com/nlohmann/json/pull/2689) ([nlohmann](https://github.com/nlohmann))
- Update doctest from 2.4.4 to 2.4.6 \(fixes \#2686\) [\#2687](https://github.com/nlohmann/json/pull/2687) ([musicinmybrain](https://github.com/musicinmybrain))
- License fix [\#2683](https://github.com/nlohmann/json/pull/2683) ([nlohmann](https://github.com/nlohmann))
- Update parse\_exceptions.md - correct `json::exception::parse_error` [\#2679](https://github.com/nlohmann/json/pull/2679) ([frasermarlow](https://github.com/frasermarlow))
- Remove HEDLEY annotation from exception::what\(\) [\#2673](https://github.com/nlohmann/json/pull/2673) ([remyjette](https://github.com/remyjette))
- Fix amount of entries in the json object [\#2659](https://github.com/nlohmann/json/pull/2659) ([abbaswasim](https://github.com/abbaswasim))
- Fix missing 1.78 in example in README.md [\#2625](https://github.com/nlohmann/json/pull/2625) ([wawiesel](https://github.com/wawiesel))
- Add GDB pretty printer [\#2607](https://github.com/nlohmann/json/pull/2607) ([nlohmann](https://github.com/nlohmann))
- readme: fix tilde character display [\#2582](https://github.com/nlohmann/json/pull/2582) ([bl-ue](https://github.com/bl-ue))
- Add support for deserialization of STL containers of non-default constructable types \(fixes \#2574\). [\#2576](https://github.com/nlohmann/json/pull/2576) ([AnthonyVH](https://github.com/AnthonyVH))
- Better diagnostics [\#2562](https://github.com/nlohmann/json/pull/2562) ([nlohmann](https://github.com/nlohmann))
- CI targets [\#2561](https://github.com/nlohmann/json/pull/2561) ([nlohmann](https://github.com/nlohmann))
- Add switch to skip non-reproducible tests. [\#2560](https://github.com/nlohmann/json/pull/2560) ([nlohmann](https://github.com/nlohmann))
- Fix compilation of input\_adapter\(container\) in edge cases [\#2553](https://github.com/nlohmann/json/pull/2553) ([jasujm](https://github.com/jasujm))
- Allow parsing from std::byte containers [\#2550](https://github.com/nlohmann/json/pull/2550) ([nlohmann](https://github.com/nlohmann))
- Travis doesn't run any tests in C++17 mode [\#2540](https://github.com/nlohmann/json/pull/2540) ([karzhenkov](https://github.com/karzhenkov))
- Doctest is updated to v2.4.3 [\#2538](https://github.com/nlohmann/json/pull/2538) ([YarikTH](https://github.com/YarikTH))
- Fix warnings [\#2537](https://github.com/nlohmann/json/pull/2537) ([nlohmann](https://github.com/nlohmann))
- Fix a shadowing warning [\#2536](https://github.com/nlohmann/json/pull/2536) ([nlohmann](https://github.com/nlohmann))
- Clarify license of is\_complete\_type implementation [\#2534](https://github.com/nlohmann/json/pull/2534) ([nlohmann](https://github.com/nlohmann))
- Do not unconditionally redefine C++14 constructs [\#2533](https://github.com/nlohmann/json/pull/2533) ([nlohmann](https://github.com/nlohmann))
- Doctest is updated to v2.4.1 [\#2525](https://github.com/nlohmann/json/pull/2525) ([YarikTH](https://github.com/YarikTH))
- Add MAIN\_PROJECT check for test and install options [\#2514](https://github.com/nlohmann/json/pull/2514) ([globberwops](https://github.com/globberwops))
- Ranged insert test section is added in unit-ordered\_json.cpp [\#2512](https://github.com/nlohmann/json/pull/2512) ([YarikTH](https://github.com/YarikTH))
- Add asserts to suppress C28020 [\#2447](https://github.com/nlohmann/json/pull/2447) ([jbzdarkid](https://github.com/jbzdarkid))
- Change argument name "subtype" in byte\_container\_with\_subtype [\#2444](https://github.com/nlohmann/json/pull/2444) ([linev](https://github.com/linev))
- 📝 add CPM.Cmake example [\#2406](https://github.com/nlohmann/json/pull/2406) ([leozz37](https://github.com/leozz37))
- Fix move constructor of json\_ref [\#2405](https://github.com/nlohmann/json/pull/2405) ([karzhenkov](https://github.com/karzhenkov))
- Properly select "Release" build for Travis [\#2375](https://github.com/nlohmann/json/pull/2375) ([karzhenkov](https://github.com/karzhenkov))
- Update Hedley [\#2367](https://github.com/nlohmann/json/pull/2367) ([nlohmann](https://github.com/nlohmann))
- Fix and extend documentation of discarded values [\#2363](https://github.com/nlohmann/json/pull/2363) ([nlohmann](https://github.com/nlohmann))
- Fix typos in documentation [\#2354](https://github.com/nlohmann/json/pull/2354) ([rbuch](https://github.com/rbuch))
- Remove "\#define private public" from tests [\#2352](https://github.com/nlohmann/json/pull/2352) ([nlohmann](https://github.com/nlohmann))
- Remove -Wimplicit-fallthrough warning [\#2349](https://github.com/nlohmann/json/pull/2349) ([nlohmann](https://github.com/nlohmann))
- Fix code to work without exceptions [\#2347](https://github.com/nlohmann/json/pull/2347) ([nlohmann](https://github.com/nlohmann))
- fix cmake script overwriting compiler path [\#2344](https://github.com/nlohmann/json/pull/2344) ([ongjunjie](https://github.com/ongjunjie))
## [v3.9.1](https://github.com/nlohmann/json/releases/tag/v3.9.1) (2020-08-06)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.9.0...v3.9.1)
- Can't parse not formatted JSON. [\#2340](https://github.com/nlohmann/json/issues/2340)
- parse returns desired array contained in array when JSON text begins with square bracket on gcc 7.5.0 [\#2339](https://github.com/nlohmann/json/issues/2339)
- Unexpected deserialization difference between Mac and Linux [\#2338](https://github.com/nlohmann/json/issues/2338)
- Reading ordered\_json from file causes compile error [\#2331](https://github.com/nlohmann/json/issues/2331)
- ignore\_comment=true fails on multiple consecutive lines starting with comments [\#2330](https://github.com/nlohmann/json/issues/2330)
- Update documentation about Homebrew installation and CMake integration - Homebrew [\#2326](https://github.com/nlohmann/json/issues/2326)
- Chinese character initialize error [\#2325](https://github.com/nlohmann/json/issues/2325)
- json.update and vector\<pair\>does not work with ordered\_json [\#2315](https://github.com/nlohmann/json/issues/2315)
- Ambiguous call to overloaded function [\#2210](https://github.com/nlohmann/json/issues/2210)
- Fix fallthrough warning [\#2333](https://github.com/nlohmann/json/pull/2333) ([nlohmann](https://github.com/nlohmann))
- Fix lexer to properly cope with repeated comments [\#2332](https://github.com/nlohmann/json/pull/2332) ([nlohmann](https://github.com/nlohmann))
- Fix name of Homebrew formula in documentation [\#2327](https://github.com/nlohmann/json/pull/2327) ([nlohmann](https://github.com/nlohmann))
- fix typo [\#2320](https://github.com/nlohmann/json/pull/2320) ([wx257osn2](https://github.com/wx257osn2))
- Fix a bug due to missing overloads in ordered\_map container [\#2319](https://github.com/nlohmann/json/pull/2319) ([nlohmann](https://github.com/nlohmann))
- cmake: install pkg-config file relative to current\_binary\_dir [\#2318](https://github.com/nlohmann/json/pull/2318) ([eli-schwartz](https://github.com/eli-schwartz))
- Fixed installation of pkg-config file on other than Ubuntu [\#2314](https://github.com/nlohmann/json/pull/2314) ([xvitaly](https://github.com/xvitaly))
## [v3.9.0](https://github.com/nlohmann/json/releases/tag/v3.9.0) (2020-07-27)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.8.0...v3.9.0)
- Unknown Type Name clang error when using NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE [\#2313](https://github.com/nlohmann/json/issues/2313)
- Clang 10.0 / GCC 10.1 warnings on disabled exceptions [\#2304](https://github.com/nlohmann/json/issues/2304)
- Application stalls indefinitely with message byte size 10 [\#2293](https://github.com/nlohmann/json/issues/2293)
- linker error [\#2292](https://github.com/nlohmann/json/issues/2292)
- Add support for high-precision numbers in UBJSON encoding [\#2286](https://github.com/nlohmann/json/issues/2286)
- NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE fails if the length of the argument is 10 [\#2280](https://github.com/nlohmann/json/issues/2280)
- Custom types : MACRO expansion bug [\#2267](https://github.com/nlohmann/json/issues/2267)
- to/from\_json Failing To Convert String [\#2238](https://github.com/nlohmann/json/issues/2238)
- clang 9.0 report warning: unused type alias 'size\_type' \[-Wunused-local-typedef\] [\#2221](https://github.com/nlohmann/json/issues/2221)
- Enormous array created when working with map\<int,T\> [\#2220](https://github.com/nlohmann/json/issues/2220)
- Can I disable sorting of json values [\#2219](https://github.com/nlohmann/json/issues/2219)
- Getting Qt types to work [\#2217](https://github.com/nlohmann/json/issues/2217)
- Convert to Qt QVariant [\#2216](https://github.com/nlohmann/json/issues/2216)
- How to custom serialize same data type of vector? [\#2215](https://github.com/nlohmann/json/issues/2215)
- json constructor does not support std::optional [\#2214](https://github.com/nlohmann/json/issues/2214)
- Failing to Parse Valid JSON [\#2209](https://github.com/nlohmann/json/issues/2209)
- \(De-\)Serialization of std::variant with namespaces [\#2208](https://github.com/nlohmann/json/issues/2208)
- Addint support for complex type [\#2207](https://github.com/nlohmann/json/issues/2207)
- array\_index possible out of range [\#2205](https://github.com/nlohmann/json/issues/2205)
- Object deserialized as array [\#2204](https://github.com/nlohmann/json/issues/2204)
- Sending to a function a reference to a sub-branch [\#2200](https://github.com/nlohmann/json/issues/2200)
- How to Serialize derived class to JSON object? [\#2199](https://github.com/nlohmann/json/issues/2199)
- JSON incorrectly serialized [\#2198](https://github.com/nlohmann/json/issues/2198)
- Exception Unhandled out\_of\_range error [\#2197](https://github.com/nlohmann/json/issues/2197)
- msgpack serialisation : float is treated as 64bit float, not 32bit float. [\#2196](https://github.com/nlohmann/json/issues/2196)
- Is it possible to use compile-time type guarantees for JSON structures? [\#2195](https://github.com/nlohmann/json/issues/2195)
- Question : performance against python dict [\#2194](https://github.com/nlohmann/json/issues/2194)
- vs2017 compile error [\#2192](https://github.com/nlohmann/json/issues/2192)
- Check if a key exists [\#2191](https://github.com/nlohmann/json/issues/2191)
- Failed to run tests due to missing test data on builders without Internet access [\#2190](https://github.com/nlohmann/json/issues/2190)
- 3.8.0: unit-cbor.cpp test failures [\#2189](https://github.com/nlohmann/json/issues/2189)
- 'nlohmann/json.hpp' file not found [\#2188](https://github.com/nlohmann/json/issues/2188)
- How to send json data over the wire? [\#2185](https://github.com/nlohmann/json/issues/2185)
- Ubuntu 16 not supporting nlohmann/json? [\#2184](https://github.com/nlohmann/json/issues/2184)
- .get\<std::string\> causing emdash errors [\#2180](https://github.com/nlohmann/json/issues/2180)
- Object properties should not be re-sorted alphabetically [\#2179](https://github.com/nlohmann/json/issues/2179)
- Custom type registration : instrusive API [\#2175](https://github.com/nlohmann/json/issues/2175)
- Many version of the function "void to\_json\(json& j, const MyStruct& struct\)" [\#2171](https://github.com/nlohmann/json/issues/2171)
- How should strings be escaped? [\#2155](https://github.com/nlohmann/json/issues/2155)
- Adding a value to an existing json puts it at the beginning instead of the end [\#2149](https://github.com/nlohmann/json/issues/2149)
- The header file is big, can we use what we need. [\#2134](https://github.com/nlohmann/json/issues/2134)
- Changing the default format for unordered\_map \(or other set\) [\#2132](https://github.com/nlohmann/json/issues/2132)
- Getting size of deserialized bson document [\#2131](https://github.com/nlohmann/json/issues/2131)
- implicit conversion failure [\#2128](https://github.com/nlohmann/json/issues/2128)
- Error thrown when parsing in a subclass [\#2124](https://github.com/nlohmann/json/issues/2124)
- explicit conversion to string not considered for std::map keys in GCC8 [\#2096](https://github.com/nlohmann/json/issues/2096)
- Add support for JSONC [\#2061](https://github.com/nlohmann/json/issues/2061)
- Library provides template arg for string\_type but assumes std::string in some places [\#2059](https://github.com/nlohmann/json/issues/2059)
- incremental parsing with sax\_parser [\#2030](https://github.com/nlohmann/json/issues/2030)
- Question about flatten and unflatten [\#1989](https://github.com/nlohmann/json/issues/1989)
- CBOR parser doesn't skip tags [\#1968](https://github.com/nlohmann/json/issues/1968)
- Compilation failure using Clang on Windows [\#1898](https://github.com/nlohmann/json/issues/1898)
- Fail to build when including json.hpp as a system include [\#1818](https://github.com/nlohmann/json/issues/1818)
- Parsing string into json doesn't preserve the order correctly. [\#1817](https://github.com/nlohmann/json/issues/1817)
- \[C++17\] Allow std::optional to convert to nlohmann::json [\#1749](https://github.com/nlohmann/json/issues/1749)
- How can I save json object in file in order? [\#1717](https://github.com/nlohmann/json/issues/1717)
- Support for Comments [\#1513](https://github.com/nlohmann/json/issues/1513)
- clang compiler: error : unknown type name 'not' [\#1119](https://github.com/nlohmann/json/issues/1119)
- dump\(\) without alphabetical order [\#1106](https://github.com/nlohmann/json/issues/1106)
- operator T\(\) considered harmful [\#958](https://github.com/nlohmann/json/issues/958)
- Order of the elements in JSON object [\#952](https://github.com/nlohmann/json/issues/952)
- How to prevent alphabetical sorting of data? [\#727](https://github.com/nlohmann/json/issues/727)
- Why is an object ordering values by Alphabetical Order? [\#660](https://github.com/nlohmann/json/issues/660)
- Feature request: Comments [\#597](https://github.com/nlohmann/json/issues/597)
- Head Elements Sorting [\#543](https://github.com/nlohmann/json/issues/543)
- Automatic ordered JSON [\#424](https://github.com/nlohmann/json/issues/424)
- Support for comments. [\#376](https://github.com/nlohmann/json/issues/376)
- Optional comment support. [\#363](https://github.com/nlohmann/json/issues/363)
- Strip comments / Minify [\#294](https://github.com/nlohmann/json/issues/294)
- maintaining order of keys during iteration [\#106](https://github.com/nlohmann/json/issues/106)
- Update documentation [\#2312](https://github.com/nlohmann/json/pull/2312) ([nlohmann](https://github.com/nlohmann))
- Fix bug in CBOR tag handling [\#2308](https://github.com/nlohmann/json/pull/2308) ([nlohmann](https://github.com/nlohmann))
- added inline to NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE macro [\#2306](https://github.com/nlohmann/json/pull/2306) ([jwittbrodt](https://github.com/jwittbrodt))
- fixes unused variable 'ex' for \#2304 [\#2305](https://github.com/nlohmann/json/pull/2305) ([AODQ](https://github.com/AODQ))
- Cleanup [\#2303](https://github.com/nlohmann/json/pull/2303) ([nlohmann](https://github.com/nlohmann))
- Add test with multiple translation units [\#2301](https://github.com/nlohmann/json/pull/2301) ([nlohmann](https://github.com/nlohmann))
- Merge GitHub actions [\#2300](https://github.com/nlohmann/json/pull/2300) ([nlohmann](https://github.com/nlohmann))
- Fix unused parameter [\#2299](https://github.com/nlohmann/json/pull/2299) ([nlohmann](https://github.com/nlohmann))
- Add support for high-precision numbers in UBJSON encoding [\#2297](https://github.com/nlohmann/json/pull/2297) ([nlohmann](https://github.com/nlohmann))
- fix eof for get\_binary and get\_string [\#2294](https://github.com/nlohmann/json/pull/2294) ([jprochazk](https://github.com/jprochazk))
- Serialisation macros: increase upper bound on number of member variables [\#2287](https://github.com/nlohmann/json/pull/2287) ([pfeatherstone](https://github.com/pfeatherstone))
- add inline specifier for detail::combine [\#2285](https://github.com/nlohmann/json/pull/2285) ([T0b1-iOS](https://github.com/T0b1-iOS))
- Add static assertion for missing binary function in SAX interface [\#2282](https://github.com/nlohmann/json/pull/2282) ([nlohmann](https://github.com/nlohmann))
- Add test for target\_include\_directories [\#2279](https://github.com/nlohmann/json/pull/2279) ([nlohmann](https://github.com/nlohmann))
- Clean up maintainer Makefiles and fix some linter warnings [\#2274](https://github.com/nlohmann/json/pull/2274) ([nlohmann](https://github.com/nlohmann))
- Add option to ignore CBOR tags [\#2273](https://github.com/nlohmann/json/pull/2273) ([nlohmann](https://github.com/nlohmann))
- Hash function without allocation [\#2269](https://github.com/nlohmann/json/pull/2269) ([nlohmann](https://github.com/nlohmann))
- Add ClangCL for MSVC [\#2268](https://github.com/nlohmann/json/pull/2268) ([t-b](https://github.com/t-b))
- Makefile: Always use SED variable [\#2264](https://github.com/nlohmann/json/pull/2264) ([t-b](https://github.com/t-b))
- Add Xcode 12 CI [\#2262](https://github.com/nlohmann/json/pull/2262) ([nlohmann](https://github.com/nlohmann))
- Make library work with Clang on Windows [\#2259](https://github.com/nlohmann/json/pull/2259) ([nlohmann](https://github.com/nlohmann))
- Add ordered\_json specialization with ordered object keys [\#2258](https://github.com/nlohmann/json/pull/2258) ([nlohmann](https://github.com/nlohmann))
- Add pkg-config file [\#2253](https://github.com/nlohmann/json/pull/2253) ([ericonr](https://github.com/ericonr))
- Fix regression from \#2181 [\#2251](https://github.com/nlohmann/json/pull/2251) ([nlohmann](https://github.com/nlohmann))
- Tag binary values in cbor if set [\#2244](https://github.com/nlohmann/json/pull/2244) ([matthewbauer](https://github.com/matthewbauer))
- Make assert configurable via JSON\_ASSERT [\#2242](https://github.com/nlohmann/json/pull/2242) ([nlohmann](https://github.com/nlohmann))
- Add specialization of get\_to [\#2233](https://github.com/nlohmann/json/pull/2233) ([nlohmann](https://github.com/nlohmann))
- Refine documentation of error\_handler parameter [\#2232](https://github.com/nlohmann/json/pull/2232) ([nlohmann](https://github.com/nlohmann))
- Simplify conversion from/to custom types [\#2225](https://github.com/nlohmann/json/pull/2225) ([nlohmann](https://github.com/nlohmann))
- Remove unused typedefs [\#2224](https://github.com/nlohmann/json/pull/2224) ([nlohmann](https://github.com/nlohmann))
- Enable CMake policy CMP0077 [\#2222](https://github.com/nlohmann/json/pull/2222) ([alexreinking](https://github.com/alexreinking))
- Add option to ignore comments in parse/accept functions [\#2212](https://github.com/nlohmann/json/pull/2212) ([nlohmann](https://github.com/nlohmann))
- Fix Clang-Tidy warnings [\#2211](https://github.com/nlohmann/json/pull/2211) ([nlohmann](https://github.com/nlohmann))
- Simple ordered\_json that works on all supported compilers [\#2206](https://github.com/nlohmann/json/pull/2206) ([gatopeich](https://github.com/gatopeich))
- Use unsigned indizies for array index in json pointer [\#2203](https://github.com/nlohmann/json/pull/2203) ([t-b](https://github.com/t-b))
- Add option to not rely on Internet connectivity during test stage [\#2202](https://github.com/nlohmann/json/pull/2202) ([nlohmann](https://github.com/nlohmann))
- Serialize floating-point numbers with 32 bit when possible \(MessagePack\) [\#2201](https://github.com/nlohmann/json/pull/2201) ([nlohmann](https://github.com/nlohmann))
- Fix consistency in function `int_to_string()` [\#2193](https://github.com/nlohmann/json/pull/2193) ([dota17](https://github.com/dota17))
- Fix issue\#1275 [\#2181](https://github.com/nlohmann/json/pull/2181) ([dota17](https://github.com/dota17))
- C++20 support by removing swap specialization [\#2176](https://github.com/nlohmann/json/pull/2176) ([gracicot](https://github.com/gracicot))
- Feat/explicit conversion operator [\#1559](https://github.com/nlohmann/json/pull/1559) ([theodelrieu](https://github.com/theodelrieu))
## [v3.8.0](https://github.com/nlohmann/json/releases/tag/v3.8.0) (2020-06-14)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.7.3...v3.8.0)
- sorry delete this issue, i'm stupid [\#2187](https://github.com/nlohmann/json/issues/2187)
- Append to a std::nlohmann::json type [\#2186](https://github.com/nlohmann/json/issues/2186)
- Some troubles to compile the last revision [\#2177](https://github.com/nlohmann/json/issues/2177)
- \# Top level CMakeLists.txt
project\(FOO\)
...
option\(FOO\_USE\_EXTERNAL\_JSON "Use an external JSON library" OFF\)
...
add\_subdirectory\(thirdparty\)
...
add\_library\(foo ...\)
...
\# Note that the namespaced target will always be available regardless of the
\# import method
target\_link\_libraries\(foo PRIVATE nlohmann\_json::nlohmann\_json\) [\#2170](https://github.com/nlohmann/json/issues/2170)
- https://www.github.com/nlohmann/json/tree/develop/include%2Fnlohmann%2Fjson\_fwd.hpp [\#2169](https://github.com/nlohmann/json/issues/2169)
- templated from\_json of non primitive types causes gcc error [\#2168](https://github.com/nlohmann/json/issues/2168)
- few warnings/errors in copy assignment [\#2167](https://github.com/nlohmann/json/issues/2167)
- Different output when upgrading from clang 9 to clang 10 [\#2166](https://github.com/nlohmann/json/issues/2166)
- Cannot build with VS 2019 / C++17 [\#2163](https://github.com/nlohmann/json/issues/2163)
- Q: When I received an illegal string,How the program knows? [\#2162](https://github.com/nlohmann/json/issues/2162)
- Problem while reading a json file [\#2161](https://github.com/nlohmann/json/issues/2161)
- converting std::chrono::system\_clock::time\_point to json. [\#2159](https://github.com/nlohmann/json/issues/2159)
- how to parse vector\<struct\> format [\#2157](https://github.com/nlohmann/json/issues/2157)
- nlohmann::json and =nullptr [\#2156](https://github.com/nlohmann/json/issues/2156)
- test-cbor fails [\#2154](https://github.com/nlohmann/json/issues/2154)
- Accessing array inside array syntax? [\#2151](https://github.com/nlohmann/json/issues/2151)
- Best way to catch errors when querying json [\#2150](https://github.com/nlohmann/json/issues/2150)
- JSON Data Mapping Key-Value from other Key-Value [\#2148](https://github.com/nlohmann/json/issues/2148)
- Conflicts with std \<any\> compiling with GCC 10 [\#2146](https://github.com/nlohmann/json/issues/2146)
- Incorrect CMake FetchContent example [\#2142](https://github.com/nlohmann/json/issues/2142)
- Help for a Beginner? [\#2141](https://github.com/nlohmann/json/issues/2141)
- Read Json from File [\#2139](https://github.com/nlohmann/json/issues/2139)
- How to feed a predefined integer value into json string [\#2138](https://github.com/nlohmann/json/issues/2138)
- getting json array inside json object [\#2135](https://github.com/nlohmann/json/issues/2135)
- Add .contains example to doc [\#2133](https://github.com/nlohmann/json/issues/2133)
- Is it safe to return string.c\_str\(\) received from get\(\)? [\#2130](https://github.com/nlohmann/json/issues/2130)
- GCC 10: Compilation error when including any before including json header in C++17 mode [\#2129](https://github.com/nlohmann/json/issues/2129)
- Intersection of two json files [\#2127](https://github.com/nlohmann/json/issues/2127)
- App crashes when dump method called for non ascii chars. [\#2126](https://github.com/nlohmann/json/issues/2126)
- iterator based erase method [\#2122](https://github.com/nlohmann/json/issues/2122)
- quick and convenient api to get/set nested json values [\#2120](https://github.com/nlohmann/json/issues/2120)
- assigning nullptr to std::string [\#2118](https://github.com/nlohmann/json/issues/2118)
- usless\_cast warnings with gcc 9.3 and 10.1 \(C++17\) [\#2114](https://github.com/nlohmann/json/issues/2114)
- clang 10 warning [\#2113](https://github.com/nlohmann/json/issues/2113)
- Possible incorrect \_MSC\_VER reference [\#2112](https://github.com/nlohmann/json/issues/2112)
- warning under gcc 10.1 [\#2110](https://github.com/nlohmann/json/issues/2110)
- Wdeprecated-declarations from GCC v10.1.0 [\#2109](https://github.com/nlohmann/json/issues/2109)
- Global std::vector from json [\#2108](https://github.com/nlohmann/json/issues/2108)
- heap-buffer-overflow when using nlohmann/json, ASAN, and gtest [\#2107](https://github.com/nlohmann/json/issues/2107)
- exception 0x770DC5AF when i read an special char in json file [\#2106](https://github.com/nlohmann/json/issues/2106)
- json::parse\(\) fails to parse a dump\(2,' '\) output, yet does successfully parse dump\(\) [\#2105](https://github.com/nlohmann/json/issues/2105)
- run test-udt error in MSVC 19.16.27034.0 [\#2103](https://github.com/nlohmann/json/issues/2103)
- Unable to dump to stringstream [\#2102](https://github.com/nlohmann/json/issues/2102)
- Can't ad an object in another objet [\#2101](https://github.com/nlohmann/json/issues/2101)
- Implicit conversion causes "cannot use operator\[\] with a string argument with string" [\#2098](https://github.com/nlohmann/json/issues/2098)
- C++20: char8\_t [\#2097](https://github.com/nlohmann/json/issues/2097)
- Compilation issues when included in project [\#2094](https://github.com/nlohmann/json/issues/2094)
- string value with null character causes infinite loop [\#2093](https://github.com/nlohmann/json/issues/2093)
- corrupted size vs. prev\_size \(aborted\) [\#2092](https://github.com/nlohmann/json/issues/2092)
- Get string field content without return std::string copy [\#2091](https://github.com/nlohmann/json/issues/2091)
- JSON Comments \(JSON 5\) [\#2090](https://github.com/nlohmann/json/issues/2090)
- Remove \#include \<ciso646\> [\#2089](https://github.com/nlohmann/json/issues/2089)
- JSON library as a git submodule [\#2088](https://github.com/nlohmann/json/issues/2088)
- Apple Clang 11.0.3 on MacOS Catalina 10.15.4 not compiling [\#2087](https://github.com/nlohmann/json/issues/2087)
- Value function return empty object even if it exist [\#2086](https://github.com/nlohmann/json/issues/2086)
- Cannot debug but Run works [\#2085](https://github.com/nlohmann/json/issues/2085)
- Question about serialization. [\#2084](https://github.com/nlohmann/json/issues/2084)
- How to include in an external project [\#2083](https://github.com/nlohmann/json/issues/2083)
- Missing tests for binary values [\#2082](https://github.com/nlohmann/json/issues/2082)
- How to override default string serialization? [\#2079](https://github.com/nlohmann/json/issues/2079)
- Can't have a json type as a property in an arbitrary type [\#2078](https://github.com/nlohmann/json/issues/2078)
- New release? [\#2075](https://github.com/nlohmann/json/issues/2075)
- CMake FetchContent \> Updating the documentation? [\#2073](https://github.com/nlohmann/json/issues/2073)
- How to convert STL Vector \(of user defined type\) to Json [\#2072](https://github.com/nlohmann/json/issues/2072)
- how to make an array of objects [\#2070](https://github.com/nlohmann/json/issues/2070)
- ‘\_\_int64’ was not declared [\#2068](https://github.com/nlohmann/json/issues/2068)
- \[json.exception.type\_error.317\] cannot serialize binary data to text JSON [\#2067](https://github.com/nlohmann/json/issues/2067)
- Unexpected end of input; expected '\[', '{', or a literal [\#2066](https://github.com/nlohmann/json/issues/2066)
- Json structure can be nested? [\#2065](https://github.com/nlohmann/json/issues/2065)
- Bug: returning reference to local temporary object [\#2064](https://github.com/nlohmann/json/issues/2064)
- Allow to use non strict parsing [\#2063](https://github.com/nlohmann/json/issues/2063)
- Crashing on json::at [\#2062](https://github.com/nlohmann/json/issues/2062)
- How to convert a const std::vector\<char8\_t\> message to a json, to be able to parse it and extract information from it? Can you point to any examples? [\#2058](https://github.com/nlohmann/json/issues/2058)
- Nice library [\#2057](https://github.com/nlohmann/json/issues/2057)
- json.hpp:15372:22: error: expected unqualified-id if \(not std::isfinite\(x\)\): Started getting this bug after updating my XCode [\#2056](https://github.com/nlohmann/json/issues/2056)
- Confused as how I can extract the values from the JSON object. [\#2055](https://github.com/nlohmann/json/issues/2055)
- Warnings with GCC 10 [\#2052](https://github.com/nlohmann/json/issues/2052)
- Warnings with Clang 10 [\#2049](https://github.com/nlohmann/json/issues/2049)
- Update doctest [\#2048](https://github.com/nlohmann/json/issues/2048)
- Unclear error message: "cannot use operator\[\] with a string argument with array" [\#2047](https://github.com/nlohmann/json/issues/2047)
- Serializing std::variant\<T, std::vector\<T\>\> [\#2045](https://github.com/nlohmann/json/issues/2045)
- Crash when parse big jsonfile [\#2042](https://github.com/nlohmann/json/issues/2042)
- How to check if a key exists without silently generating null objects on the path [\#2041](https://github.com/nlohmann/json/issues/2041)
- Crash when traversing over items\(\) of temporary json objects [\#2040](https://github.com/nlohmann/json/issues/2040)
- How to parse multiple line value ? [\#2039](https://github.com/nlohmann/json/issues/2039)
- SAX API uses unsigned std::size\_t but -1 if element size is not known; [\#2037](https://github.com/nlohmann/json/issues/2037)
- How to parse big decimal data [\#2036](https://github.com/nlohmann/json/issues/2036)
- how use template \<typename T\> struct adl\_serializer [\#2035](https://github.com/nlohmann/json/issues/2035)
- auto iterator returned by find to handle value depending if is string or numeric. [\#2032](https://github.com/nlohmann/json/issues/2032)
- pass find returned iterator to numeric variable. [\#2031](https://github.com/nlohmann/json/issues/2031)
- Parse error on valid json file [\#2029](https://github.com/nlohmann/json/issues/2029)
- Is here any elegant way to combine serialization and deserialization code? [\#2028](https://github.com/nlohmann/json/issues/2028)
- Notes about dump function [\#2027](https://github.com/nlohmann/json/issues/2027)
- Different JSON printouts for empty dictionary on Linux and Mac. [\#2026](https://github.com/nlohmann/json/issues/2026)
- easier way to get exception reason out of json\_sax\_dom\_callback\_parser without exceptions [\#2024](https://github.com/nlohmann/json/issues/2024)
- Using fifo\_map with base class and derived class [\#2023](https://github.com/nlohmann/json/issues/2023)
- Error reading JSON File [\#2022](https://github.com/nlohmann/json/issues/2022)
- Parse causing crash on android. Cannot catch. [\#2021](https://github.com/nlohmann/json/issues/2021)
- Extra backslashes in nested json [\#2020](https://github.com/nlohmann/json/issues/2020)
- How to create patch for merge\_patch input ? [\#2018](https://github.com/nlohmann/json/issues/2018)
- CppUTest/include/CppUTestExt/MockSupport.h:40: error: default argument for ‘MockFailureReporter\* failureReporterForThisCall’ has type ‘void\*’ [\#2017](https://github.com/nlohmann/json/issues/2017)
- including another file [\#2016](https://github.com/nlohmann/json/issues/2016)
- GNU PREREQ Error with gcc 9.3.0 [\#2015](https://github.com/nlohmann/json/issues/2015)
- Parse error: json.exception.parse\_error.101 - invalid string: ill-formed UTF-8 byte [\#2014](https://github.com/nlohmann/json/issues/2014)
- Add more flexibility to basic\_json's ObjectType \(and ArrayType\) [\#2013](https://github.com/nlohmann/json/issues/2013)
- afl persistent mode [\#2012](https://github.com/nlohmann/json/issues/2012)
- Compiler Errors under VS2019 in Appveyor CI [\#2009](https://github.com/nlohmann/json/issues/2009)
- Another compilation failure with Visual Studio [\#2007](https://github.com/nlohmann/json/issues/2007)
- Implicit cast to std::string broken again with VS2019 16.5.0 [\#2006](https://github.com/nlohmann/json/issues/2006)
- error: no matching member function for call to 'AddRaw' [\#2005](https://github.com/nlohmann/json/issues/2005)
- When I re-create an object again after the network request, an error is reported [\#2003](https://github.com/nlohmann/json/issues/2003)
- How to merge \(and not replace\) different Json::Value objects in jsoncpp [\#2001](https://github.com/nlohmann/json/issues/2001)
- scalar transforms to list [\#2000](https://github.com/nlohmann/json/issues/2000)
- Dump JSON containing multibyte characters [\#1999](https://github.com/nlohmann/json/issues/1999)
- Build error when modify value [\#1998](https://github.com/nlohmann/json/issues/1998)
- How do i include a vector of pointers in my json? [\#1997](https://github.com/nlohmann/json/issues/1997)
- Compiler error wrt incomplete types changed in gcc8.3.0-26 [\#1996](https://github.com/nlohmann/json/issues/1996)
- NaN-like comparison behavior of discarded is inconvenient [\#1988](https://github.com/nlohmann/json/issues/1988)
- Maintaining JSON package in my CMake [\#1987](https://github.com/nlohmann/json/issues/1987)
- reading int number and string number [\#1986](https://github.com/nlohmann/json/issues/1986)
- Build error: keyword is hidden by macro definition! [\#1985](https://github.com/nlohmann/json/issues/1985)
- JSON patch diff for op=add formation is not as per standard \(RFC 6902\) [\#1983](https://github.com/nlohmann/json/issues/1983)
- json\_pointer.contains\(\) exception is incorrectly raised [\#1982](https://github.com/nlohmann/json/issues/1982)
- Error with non existing key [\#1981](https://github.com/nlohmann/json/issues/1981)
- Closed [\#1978](https://github.com/nlohmann/json/issues/1978)
- Where is the library built and what is the name? [\#1977](https://github.com/nlohmann/json/issues/1977)
- The cmake\_import example does not build [\#1976](https://github.com/nlohmann/json/issues/1976)
- Dumping core when reading invalid file [\#1975](https://github.com/nlohmann/json/issues/1975)
- Abort in dump\(\) method [\#1973](https://github.com/nlohmann/json/issues/1973)
- Unclear docs regarding parser\_callback\_t callbacks [\#1972](https://github.com/nlohmann/json/issues/1972)
- Possible memory leak on push\_back [\#1971](https://github.com/nlohmann/json/issues/1971)
- Is it possible to get a safe mutable reference/pointer to internal variant used in nlohmann json? [\#1970](https://github.com/nlohmann/json/issues/1970)
- Getting a flatten json to map\<string, string\> [\#1957](https://github.com/nlohmann/json/issues/1957)
- forced type conversion or lexical cast without exception. [\#1955](https://github.com/nlohmann/json/issues/1955)
- Add json\_view type support to avoid excessive copying [\#1954](https://github.com/nlohmann/json/issues/1954)
- Adding "examples" section for real-life usages [\#1953](https://github.com/nlohmann/json/issues/1953)
- Add nlohmann::json::key\_type [\#1951](https://github.com/nlohmann/json/issues/1951)
- cannot use operator\[\] with a string argument with string [\#1949](https://github.com/nlohmann/json/issues/1949)
- std::ifstream \>\> json error [\#1948](https://github.com/nlohmann/json/issues/1948)
- Cannot update json data in an iterator? [\#1947](https://github.com/nlohmann/json/issues/1947)
- How can i build this library in VS 2017? [\#1943](https://github.com/nlohmann/json/issues/1943)
- json\_pointer.contains\(\) exceptions when path not found [\#1942](https://github.com/nlohmann/json/issues/1942)
- Nested objects serialize/deserialize [\#1941](https://github.com/nlohmann/json/issues/1941)
- Compile warning on architectures that are not x86 [\#1939](https://github.com/nlohmann/json/issues/1939)
- Version of nlohmann-json-dev in debian packages [\#1938](https://github.com/nlohmann/json/issues/1938)
- Create a json object for every cycle [\#1937](https://github.com/nlohmann/json/issues/1937)
- How to get the object name? [\#1936](https://github.com/nlohmann/json/issues/1936)
- Reserve and resize function for basic json [\#1935](https://github.com/nlohmann/json/issues/1935)
- How to use json parse in tsl::ordread\_map? [\#1934](https://github.com/nlohmann/json/issues/1934)
- C++14 support is not enabled with msvc2015 [\#1932](https://github.com/nlohmann/json/issues/1932)
- Need help with to\_json for derived class, keep getting "cannot use operator" [\#1931](https://github.com/nlohmann/json/issues/1931)
- How to handle std::vector\<std::uint8\_t\> [\#1930](https://github.com/nlohmann/json/issues/1930)
- Heap corruption issue [\#1929](https://github.com/nlohmann/json/issues/1929)
- Add `std::wistream` support. [\#1928](https://github.com/nlohmann/json/issues/1928)
- This i can write and read any file thanks [\#1927](https://github.com/nlohmann/json/issues/1927)
- How can I get this simple example working? [\#1926](https://github.com/nlohmann/json/issues/1926)
- emplace\_back does not seems to work with the int 0 [\#1925](https://github.com/nlohmann/json/issues/1925)
- Why nlohmann does not release memory [\#1924](https://github.com/nlohmann/json/issues/1924)
- Is it possible to have template `json::parse` with `noexcept` specifier? [\#1922](https://github.com/nlohmann/json/issues/1922)
- JSON to wstring? [\#1921](https://github.com/nlohmann/json/issues/1921)
- GCC 10 tests build failure [\#1920](https://github.com/nlohmann/json/issues/1920)
- Size of binary json representations [\#1919](https://github.com/nlohmann/json/issues/1919)
- Accessing strings \(for example in keys or values\) without having the lib create a copy of it. [\#1916](https://github.com/nlohmann/json/issues/1916)
- operator== documentation should show how to apply custom comparison function [\#1915](https://github.com/nlohmann/json/issues/1915)
- char8\_t and std::u8string support [\#1914](https://github.com/nlohmann/json/issues/1914)
- std::is\_pod is deprecated in C++20 [\#1913](https://github.com/nlohmann/json/issues/1913)
- Incomplete types reported by \(experimental\) GCC10 [\#1912](https://github.com/nlohmann/json/issues/1912)
- Compile warnings on MSVC 14.2 [\#1911](https://github.com/nlohmann/json/issues/1911)
- How to parse json file with type composition of std::optional and std::variant [\#1910](https://github.com/nlohmann/json/issues/1910)
- why root\_schema be implemented as unique\_ptr in json-validator.cpp，could I use it as shared\_ptr? [\#1908](https://github.com/nlohmann/json/issues/1908)
- compile error in gcc-6.3.0 [\#1906](https://github.com/nlohmann/json/issues/1906)
- Scalar constexpr is odr-used when used as json initializer [\#1905](https://github.com/nlohmann/json/issues/1905)
- install Slack app [\#1904](https://github.com/nlohmann/json/issues/1904)
- typo in a comment [\#1903](https://github.com/nlohmann/json/issues/1903)
- Watch JSON variables in Debug [\#1902](https://github.com/nlohmann/json/issues/1902)
- does Json sdk cares about dfc dfd utf8 issue? [\#1901](https://github.com/nlohmann/json/issues/1901)
- Allow multiple line string value in JSON [\#1897](https://github.com/nlohmann/json/issues/1897)
- Writing map to json file [\#1896](https://github.com/nlohmann/json/issues/1896)
- Small documentation mistake [\#1895](https://github.com/nlohmann/json/issues/1895)
- why static function `parse` cann't find in visual studio 2019 [\#1894](https://github.com/nlohmann/json/issues/1894)
- Best way to handle json files with missing key value pairs. [\#1893](https://github.com/nlohmann/json/issues/1893)
- accessing json object as multimap [\#1892](https://github.com/nlohmann/json/issues/1892)
- What is the best way to parse vec3s into glm::vec3 [\#1891](https://github.com/nlohmann/json/issues/1891)
- Get array of items without using vector [\#1890](https://github.com/nlohmann/json/issues/1890)
- Build errors \(clang 11.0.0\) on macOS 10.15.2 [\#1889](https://github.com/nlohmann/json/issues/1889)
- Multiple arrays to vectors help [\#1888](https://github.com/nlohmann/json/issues/1888)
- json::parse\(begin, end\) parse error on first character using uchar\* [\#1887](https://github.com/nlohmann/json/issues/1887)
- issue in free\(\) [\#1886](https://github.com/nlohmann/json/issues/1886)
- is\_number\_unsigned\(\) returns false for positive integers \(int or 0 or 1 literals\) [\#1885](https://github.com/nlohmann/json/issues/1885)
- MSVC build failure with /Zc:\_\_cplusplus and C++17 [\#1883](https://github.com/nlohmann/json/issues/1883)
- RFC 6901 op:replace & arrays [\#1882](https://github.com/nlohmann/json/issues/1882)
- Problem with serialization of my custom template doubly-linked list [\#1881](https://github.com/nlohmann/json/issues/1881)
- is\_array\(\) is True, but raise 'cannot use operator\[\] for object iterators' [\#1880](https://github.com/nlohmann/json/issues/1880)
- Serialize dynamic array [\#1879](https://github.com/nlohmann/json/issues/1879)
- Serialization of struct object. [\#1877](https://github.com/nlohmann/json/issues/1877)
- warning:c4503 [\#1875](https://github.com/nlohmann/json/issues/1875)
- Why are flattened empty objects/arrays not representable? [\#1874](https://github.com/nlohmann/json/issues/1874)
- Container Overflow \(ASAN\) when using operator \>\> on an ifs [\#1873](https://github.com/nlohmann/json/issues/1873)
- Sub-array to vector or map object? [\#1870](https://github.com/nlohmann/json/issues/1870)
- WIP: QT \(cute\) type supports [\#1869](https://github.com/nlohmann/json/issues/1869)
- Compiler flags to disable features and shrink code size [\#1868](https://github.com/nlohmann/json/issues/1868)
- null strings [\#1867](https://github.com/nlohmann/json/issues/1867)
- Struct with array of struct and \_\_attribute\_\_\(\(packed\)\) [\#1866](https://github.com/nlohmann/json/issues/1866)
- Best way to extract numbers in the string? [\#1865](https://github.com/nlohmann/json/issues/1865)
- Displaying \\?\Volume{guid} from string to json giving error [\#1864](https://github.com/nlohmann/json/issues/1864)
- not working when compiling as x86 [\#1863](https://github.com/nlohmann/json/issues/1863)
- Skipping evaluation of log line expressions with a macro, is it possible? [\#1862](https://github.com/nlohmann/json/issues/1862)
- Suppress warnings [\#1861](https://github.com/nlohmann/json/issues/1861)
- conflit with g++ compile option -mwindows [\#1860](https://github.com/nlohmann/json/issues/1860)
- How to serialize nested classes to semi-flat JSON object? [\#1859](https://github.com/nlohmann/json/issues/1859)
- Memory Requirement for large json file [\#1858](https://github.com/nlohmann/json/issues/1858)
- Query a binary format \(BSON, CBOR, MessagePack, UBJSON\) [\#1856](https://github.com/nlohmann/json/issues/1856)
- Documentation on operator\[\] behavior with missing keys [\#1855](https://github.com/nlohmann/json/issues/1855)
- Problem in converting string into JSON; Can't parse successfully. [\#1854](https://github.com/nlohmann/json/issues/1854)
- json.at\_or\_default\(key, defaultval\) [\#1852](https://github.com/nlohmann/json/issues/1852)
- please improve the enum conversion documentation \(my example gist provided\) [\#1851](https://github.com/nlohmann/json/issues/1851)
- Default value returned on ValueType nlohmann::basic\_json::value \(const typename object\_t::key\_type& key, const ValueType& default\_value\) [\#1850](https://github.com/nlohmann/json/issues/1850)
- Accounting for arbitrary precision numerical literals [\#1849](https://github.com/nlohmann/json/issues/1849)
- While trying to make a simple array, I get a nested array instead [\#1848](https://github.com/nlohmann/json/issues/1848)
- How to reuse the parser and serializer intermediate storage? [\#1847](https://github.com/nlohmann/json/issues/1847)
- Too much content in json.hpp leads to slow compilation [\#1845](https://github.com/nlohmann/json/issues/1845)
- Cannot read some data in json file [\#1843](https://github.com/nlohmann/json/issues/1843)
- Precompiled JSON library? [\#1842](https://github.com/nlohmann/json/issues/1842)
- Please change assert into throw\(maybe\) in line 17946 [\#1841](https://github.com/nlohmann/json/issues/1841)
- JSON for modern C++ ECCN information [\#1840](https://github.com/nlohmann/json/issues/1840)
- CI: reduce build time for Travis valgrind [\#1836](https://github.com/nlohmann/json/issues/1836)
- How do I traverse a json object and add new elements into the hierarchy [\#1834](https://github.com/nlohmann/json/issues/1834)
- Invalid UTF-8 byte at index 1: 0x65 [\#1831](https://github.com/nlohmann/json/issues/1831)
- Serialize big data in json [\#1828](https://github.com/nlohmann/json/issues/1828)
- Backslash '\' in value causes exception [\#1827](https://github.com/nlohmann/json/issues/1827)
- from\_json for non default constructible class with dependency injection [\#1819](https://github.com/nlohmann/json/issues/1819)
- Semi-frequent timeouts in `test-unicode_all` with 3.6.1 \(aarch64\) [\#1816](https://github.com/nlohmann/json/issues/1816)
- input\_adapter not user extensible [\#1813](https://github.com/nlohmann/json/issues/1813)
- crash at json::destroy on android [\#1812](https://github.com/nlohmann/json/issues/1812)
- Logs are repeating while cmake [\#1809](https://github.com/nlohmann/json/issues/1809)
- Add a the possibility to add dynamic json objects [\#1795](https://github.com/nlohmann/json/issues/1795)
- Unnecessary test data file in the release [\#1790](https://github.com/nlohmann/json/issues/1790)
- Add support for parse stack limiting [\#1788](https://github.com/nlohmann/json/issues/1788)
- GCC -Wuseless-cast warnings [\#1777](https://github.com/nlohmann/json/issues/1777)
- compilation issue with NVCC 9.0 [\#1773](https://github.com/nlohmann/json/issues/1773)
- Unexpected behavior with fifo\_map json when copy and append [\#1763](https://github.com/nlohmann/json/issues/1763)
- Parse error [\#1761](https://github.com/nlohmann/json/issues/1761)
- Assignment \(using value\(\)\) to nonexistent element behaves differently on Xcode 8 vs Xcode 10 [\#1758](https://github.com/nlohmann/json/issues/1758)
- Readme out of date [\#1756](https://github.com/nlohmann/json/issues/1756)
- cmake\_\* tests don't use the build system's compiler [\#1747](https://github.com/nlohmann/json/issues/1747)
- Static assertions for template type properties required [\#1729](https://github.com/nlohmann/json/issues/1729)
- Use float and possibly half in json::to\_cbor [\#1719](https://github.com/nlohmann/json/issues/1719)
- json::from\_cbor does not respect allow\_exceptions = false when input is string literal [\#1715](https://github.com/nlohmann/json/issues/1715)
- /Zc:\_\_cplusplus leads to C2416 [\#1695](https://github.com/nlohmann/json/issues/1695)
- `unflatten` vs objects with number-ish keys [\#1575](https://github.com/nlohmann/json/issues/1575)
- A "thinner" source code tar as part of release? [\#1572](https://github.com/nlohmann/json/issues/1572)
- Repository is almost 450MB [\#1497](https://github.com/nlohmann/json/issues/1497)
- Substantial performance penalty caused by polymorphic input adapter [\#1457](https://github.com/nlohmann/json/issues/1457)
- Move tests to a separate repo [\#1235](https://github.com/nlohmann/json/issues/1235)
- reduce repos size [\#1185](https://github.com/nlohmann/json/issues/1185)
- CMakeLists.txt in release zips? [\#1184](https://github.com/nlohmann/json/issues/1184)
- Minimal branch? [\#1066](https://github.com/nlohmann/json/issues/1066)
- Move test blobs to a submodule? [\#732](https://github.com/nlohmann/json/issues/732)
- \[Question\] When using this as git submodule, will it clone the whole thing include test data and benchmark? [\#620](https://github.com/nlohmann/json/issues/620)
- Need to improve ignores.. [\#567](https://github.com/nlohmann/json/issues/567)
- Minimal repository \(current size very large\) [\#556](https://github.com/nlohmann/json/issues/556)
- For a header-only library you have to clone 214MB [\#482](https://github.com/nlohmann/json/issues/482)
- 17 MB / 90 MB repo size!? [\#96](https://github.com/nlohmann/json/issues/96)
- Improve parse\_ubjson\_fuzzer [\#2182](https://github.com/nlohmann/json/pull/2182) ([tanuj208](https://github.com/tanuj208))
- Add input adapter tests [\#2178](https://github.com/nlohmann/json/pull/2178) ([nlohmann](https://github.com/nlohmann))
- Fix warnings [\#2174](https://github.com/nlohmann/json/pull/2174) ([nlohmann](https://github.com/nlohmann))
- Fix PR\#1006 [\#2158](https://github.com/nlohmann/json/pull/2158) ([dota17](https://github.com/dota17))
- Fix issue\#1972 [\#2153](https://github.com/nlohmann/json/pull/2153) ([dota17](https://github.com/dota17))
- Update URLs to HTTPS [\#2152](https://github.com/nlohmann/json/pull/2152) ([TotalCaesar659](https://github.com/TotalCaesar659))
- Fix Issue\#1813: user defined input adapters [\#2145](https://github.com/nlohmann/json/pull/2145) ([FrancoisChabot](https://github.com/FrancoisChabot))
- Fix issue\#1939: Cast character to unsigned for comparison [\#2144](https://github.com/nlohmann/json/pull/2144) ([XyFreak](https://github.com/XyFreak))
- Fix issue\#2142: readme: fix typo in CMake FetchContent example [\#2143](https://github.com/nlohmann/json/pull/2143) ([quentin-dev](https://github.com/quentin-dev))
- Respect allow\_exceptions=false for binary formats [\#2140](https://github.com/nlohmann/json/pull/2140) ([nlohmann](https://github.com/nlohmann))
- Fix issue 2112 [\#2137](https://github.com/nlohmann/json/pull/2137) ([dota17](https://github.com/dota17))
- Add bleeding edge GCC to CI [\#2136](https://github.com/nlohmann/json/pull/2136) ([aokellermann](https://github.com/aokellermann))
- Clean up implementation of binary type [\#2125](https://github.com/nlohmann/json/pull/2125) ([nlohmann](https://github.com/nlohmann))
- Fixed a compilation error in MSVC [\#2121](https://github.com/nlohmann/json/pull/2121) ([gistrec](https://github.com/gistrec))
- Overwork CI [\#2119](https://github.com/nlohmann/json/pull/2119) ([nlohmann](https://github.com/nlohmann))
- Fix warnings from Clang 10 and GCC 9 [\#2116](https://github.com/nlohmann/json/pull/2116) ([nlohmann](https://github.com/nlohmann))
- Do not include \<ciso646\> when using C++17 [\#2115](https://github.com/nlohmann/json/pull/2115) ([nlohmann](https://github.com/nlohmann))
- Fix issue\#2086: disallow json::value\_t type parameter in value\(\) [\#2104](https://github.com/nlohmann/json/pull/2104) ([dota17](https://github.com/dota17))
- Fix Coveralls integration [\#2100](https://github.com/nlohmann/json/pull/2100) ([nlohmann](https://github.com/nlohmann))
- Add tests for binary values [\#2099](https://github.com/nlohmann/json/pull/2099) ([nlohmann](https://github.com/nlohmann))
- Use external test data [\#2081](https://github.com/nlohmann/json/pull/2081) ([nlohmann](https://github.com/nlohmann))
- Remove Doozer CI [\#2080](https://github.com/nlohmann/json/pull/2080) ([nlohmann](https://github.com/nlohmann))
- Fix README.md. Missing ``` [\#2077](https://github.com/nlohmann/json/pull/2077) ([ArthurSonzogni](https://github.com/ArthurSonzogni))
- Fix error message about invalid surrogate pairs [\#2076](https://github.com/nlohmann/json/pull/2076) ([rmisev](https://github.com/rmisev))
- Add CMake fetchcontent documentation and tests [\#2074](https://github.com/nlohmann/json/pull/2074) ([ArthurSonzogni](https://github.com/ArthurSonzogni))
- Properly pass serialize\_binary to dump function [\#2071](https://github.com/nlohmann/json/pull/2071) ([nlohmann](https://github.com/nlohmann))
- Fix returning reference to local temporary object [\#2069](https://github.com/nlohmann/json/pull/2069) ([nlohmann](https://github.com/nlohmann))
- updated wandbox link [\#2060](https://github.com/nlohmann/json/pull/2060) ([alexandermyasnikov](https://github.com/alexandermyasnikov))
- Fix bug in diff function [\#2054](https://github.com/nlohmann/json/pull/2054) ([nlohmann](https://github.com/nlohmann))
- Fix GCC compiler warnings [\#2053](https://github.com/nlohmann/json/pull/2053) ([nlohmann](https://github.com/nlohmann))
- Fix Clang compiler warnings [\#2051](https://github.com/nlohmann/json/pull/2051) ([nlohmann](https://github.com/nlohmann))
- Update doctest to 2.3.7 [\#2050](https://github.com/nlohmann/json/pull/2050) ([nlohmann](https://github.com/nlohmann))
- Fix issue\#1719 [\#2044](https://github.com/nlohmann/json/pull/2044) ([dota17](https://github.com/dota17))
- Add missing testcase about NaN in unit-constructor1.cpp [\#2043](https://github.com/nlohmann/json/pull/2043) ([dota17](https://github.com/dota17))
- Templatize basic\_json constructor from json\_ref [\#2034](https://github.com/nlohmann/json/pull/2034) ([ArtemSarmini](https://github.com/ArtemSarmini))
- Replace deprecated std::is\_pod [\#2033](https://github.com/nlohmann/json/pull/2033) ([nlohmann](https://github.com/nlohmann))
- Fixes \#1971 \(memory leak in basic\_json::push\_back\) [\#2025](https://github.com/nlohmann/json/pull/2025) ([ArtemSarmini](https://github.com/ArtemSarmini))
- fix \#1982:json\_pointer.contains\(\) exception is incorrectly raised [\#2019](https://github.com/nlohmann/json/pull/2019) ([dota17](https://github.com/dota17))
- Update LICENSE.MIT [\#2010](https://github.com/nlohmann/json/pull/2010) ([magamig](https://github.com/magamig))
- PR for \#2006 to test in AppVeyor. [\#2008](https://github.com/nlohmann/json/pull/2008) ([garethsb](https://github.com/garethsb))
- Added wsjcpp.yml [\#2004](https://github.com/nlohmann/json/pull/2004) ([sea-kg](https://github.com/sea-kg))
- fix error 'setw' is not a member of 'std' in Wandbox example [\#2002](https://github.com/nlohmann/json/pull/2002) ([alexandermyasnikov](https://github.com/alexandermyasnikov))
- catch exceptions for json\_pointer : ..../+99 [\#1990](https://github.com/nlohmann/json/pull/1990) ([dota17](https://github.com/dota17))
- Modify the document about operator== [\#1984](https://github.com/nlohmann/json/pull/1984) ([dota17](https://github.com/dota17))
- Rename argument array\_index to array\_indx in json\_pointer methods [\#1980](https://github.com/nlohmann/json/pull/1980) ([linev](https://github.com/linev))
- README: Fix string representation of `dump`ed `json` [\#1979](https://github.com/nlohmann/json/pull/1979) ([alexweej](https://github.com/alexweej))
- fix warnings in serializer.hpp for VS2019 [\#1969](https://github.com/nlohmann/json/pull/1969) ([dota17](https://github.com/dota17))
- Fix C26451 warnnings in to\_chars.hpp [\#1967](https://github.com/nlohmann/json/pull/1967) ([dota17](https://github.com/dota17))
- appveyor.yml: Compile and test with latest version for \_\_cplusplus ma… [\#1958](https://github.com/nlohmann/json/pull/1958) ([t-b](https://github.com/t-b))
- Fix typo in examples [\#1956](https://github.com/nlohmann/json/pull/1956) ([dota17](https://github.com/dota17))
- templated input adapters [\#1950](https://github.com/nlohmann/json/pull/1950) ([FrancoisChabot](https://github.com/FrancoisChabot))
- Update README.md : add a FAQ about memory release [\#1933](https://github.com/nlohmann/json/pull/1933) ([dota17](https://github.com/dota17))
- Some typos [\#1923](https://github.com/nlohmann/json/pull/1923) ([Coeur](https://github.com/Coeur))
- Fix link to parse function in README [\#1918](https://github.com/nlohmann/json/pull/1918) ([kastiglione](https://github.com/kastiglione))
- Readme: Updated links to hunter repo & docs [\#1917](https://github.com/nlohmann/json/pull/1917) ([jothepro](https://github.com/jothepro))
- Adds instruction for using Build2's package manager [\#1909](https://github.com/nlohmann/json/pull/1909) ([Klaim](https://github.com/Klaim))
- Update README.md [\#1907](https://github.com/nlohmann/json/pull/1907) ([pauljurczak](https://github.com/pauljurczak))
- Fix warning: ignoring return value [\#1871](https://github.com/nlohmann/json/pull/1871) ([sonulohani](https://github.com/sonulohani))
- docs: add central repository as conan source to readme [\#1857](https://github.com/nlohmann/json/pull/1857) ([gocarlos](https://github.com/gocarlos))
- README: Package in MSYS2 renamed to nlohmann-json [\#1853](https://github.com/nlohmann/json/pull/1853) ([podsvirov](https://github.com/podsvirov))
- Fix msvc warnings [\#1846](https://github.com/nlohmann/json/pull/1846) ([MBalszun](https://github.com/MBalszun))
- Update tests that generate CMake projects to use main project's C++ compiler [\#1844](https://github.com/nlohmann/json/pull/1844) ([Tridacnid](https://github.com/Tridacnid))
- make CMake's version config file architecture-independent [\#1746](https://github.com/nlohmann/json/pull/1746) ([uhoreg](https://github.com/uhoreg))
- Add binary type support to all binary file formats, as well as an internally represented binary type [\#1662](https://github.com/nlohmann/json/pull/1662) ([OmnipotentEntity](https://github.com/OmnipotentEntity))
## [v3.7.3](https://github.com/nlohmann/json/releases/tag/v3.7.3) (2019-11-17)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.7.2...v3.7.3)
- Project branches [\#1839](https://github.com/nlohmann/json/issues/1839)
- Quadratic destruction complexity introduced in \#1436 [\#1837](https://github.com/nlohmann/json/issues/1837)
- Trying to open a file [\#1814](https://github.com/nlohmann/json/issues/1814)
- Comparing data type with value\_t::number\_integer fails [\#1783](https://github.com/nlohmann/json/issues/1783)
- CMake version config file is architecture-dependent [\#1697](https://github.com/nlohmann/json/issues/1697)
- Fix quadratic destruction complexity [\#1838](https://github.com/nlohmann/json/pull/1838) ([nickaein](https://github.com/nickaein))
## [v3.7.2](https://github.com/nlohmann/json/releases/tag/v3.7.2) (2019-11-10)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.7.1...v3.7.2)
- Segmentation fault in destructor in case of large inputs [\#1835](https://github.com/nlohmann/json/issues/1835)
- type\_name\(\) is not consistent with type\(\) [\#1833](https://github.com/nlohmann/json/issues/1833)
- json::parse is not a member [\#1832](https://github.com/nlohmann/json/issues/1832)
- How do you deal with json\* ? [\#1829](https://github.com/nlohmann/json/issues/1829)
- Combined find\_package/add\_subdirectory not linking libraries [\#1771](https://github.com/nlohmann/json/issues/1771)
- example code for ifstream reading a json file results in no operator error [\#1766](https://github.com/nlohmann/json/issues/1766)
- Warning: unsequenced modification and access to 'range' [\#1674](https://github.com/nlohmann/json/issues/1674)
- Segmentation fault \(stack overflow\) due to unbounded recursion [\#1419](https://github.com/nlohmann/json/issues/1419)
- Stack-overflow \(OSS-Fuzz 4234\) [\#832](https://github.com/nlohmann/json/issues/832)
- Configure WhiteSource Bolt for GitHub [\#1830](https://github.com/nlohmann/json/pull/1830) ([whitesource-bolt-for-github[bot]](https://github.com/apps/whitesource-bolt-for-github))
- Prevent stackoverflow caused by recursive deconstruction [\#1436](https://github.com/nlohmann/json/pull/1436) ([nickaein](https://github.com/nickaein))
## [v3.7.1](https://github.com/nlohmann/json/releases/tag/v3.7.1) (2019-11-06)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.7.0...v3.7.1)
- std::is\_constructible is always true with tuple [\#1825](https://github.com/nlohmann/json/issues/1825)
- Can't compile from\_json\(std::valarray\<T\>\). [\#1824](https://github.com/nlohmann/json/issues/1824)
- json class should have a get\_or member function [\#1823](https://github.com/nlohmann/json/issues/1823)
- NLOHMANN\_JSON\_SERIALIZE\_ENUM macro capture's json objects by value [\#1822](https://github.com/nlohmann/json/issues/1822)
- Parse fails when number literals start with zero [\#1820](https://github.com/nlohmann/json/issues/1820)
- Weird behaviour of `contains` with `json_pointer` [\#1815](https://github.com/nlohmann/json/issues/1815)
- strange behaviour with json\_pointer and .contains\(\) [\#1811](https://github.com/nlohmann/json/issues/1811)
- Can \#1695 be re-opened? [\#1808](https://github.com/nlohmann/json/issues/1808)
- Merge two json objects [\#1807](https://github.com/nlohmann/json/issues/1807)
- std::is\_constructible\<json, std::unordered\_map\<std::string, Data\>\> when to\_json not defined [\#1805](https://github.com/nlohmann/json/issues/1805)
- Private data on parsing [\#1802](https://github.com/nlohmann/json/issues/1802)
- Capturing Line and Position when querying [\#1800](https://github.com/nlohmann/json/issues/1800)
- json error on parsing DBL\_MAX from string [\#1796](https://github.com/nlohmann/json/issues/1796)
- De/Serialisation of vector of tupple object with nested obect need Help please [\#1794](https://github.com/nlohmann/json/issues/1794)
- Output json is corrupted [\#1793](https://github.com/nlohmann/json/issues/1793)
- variable name byte sometimes used as a \#define [\#1792](https://github.com/nlohmann/json/issues/1792)
- Can't read json file [\#1791](https://github.com/nlohmann/json/issues/1791)
- Problems with special German letters [\#1789](https://github.com/nlohmann/json/issues/1789)
- Support for trailing commas [\#1787](https://github.com/nlohmann/json/issues/1787)
- json\_pointer construction bug [\#1786](https://github.com/nlohmann/json/issues/1786)
- Visual Studio 2017 warning [\#1784](https://github.com/nlohmann/json/issues/1784)
- ciso646 header become obsolete [\#1782](https://github.com/nlohmann/json/issues/1782)
- Migrate LGTM.com installation from OAuth to GitHub App [\#1781](https://github.com/nlohmann/json/issues/1781)
- JSON comparison, contains and operator& [\#1778](https://github.com/nlohmann/json/issues/1778)
- pass a json object to a class contructor adds an array around the object [\#1776](https://github.com/nlohmann/json/issues/1776)
- 'Float' number\_float\_function\_t template parameter name conflicts with C '\#define Float float' [\#1775](https://github.com/nlohmann/json/issues/1775)
- A weird building problem :-\( [\#1774](https://github.com/nlohmann/json/issues/1774)
- What is this json\_ref? [\#1772](https://github.com/nlohmann/json/issues/1772)
- Interoperability with other languages [\#1770](https://github.com/nlohmann/json/issues/1770)
- Json dump [\#1768](https://github.com/nlohmann/json/issues/1768)
- json\_pointer\<\>::back\(\) should be const [\#1764](https://github.com/nlohmann/json/issues/1764)
- How to get value from array [\#1762](https://github.com/nlohmann/json/issues/1762)
- Merge two jsons [\#1757](https://github.com/nlohmann/json/issues/1757)
- Unable to locate nlohmann\_jsonConfig.cmake [\#1755](https://github.com/nlohmann/json/issues/1755)
- json.hpp won;t compile VS2019 CLR/CLI app but does in console app [\#1754](https://github.com/nlohmann/json/issues/1754)
- \[Nested Json Objects\] Segmentation fault [\#1753](https://github.com/nlohmann/json/issues/1753)
- remove/replace assert with exceptions [\#1752](https://github.com/nlohmann/json/issues/1752)
- Add array support for update\(\) function [\#1751](https://github.com/nlohmann/json/issues/1751)
- Is there a reason the `get_to` method is defined in `include/nlohmann/json.hpp` but not in `single_include/nlohmann/json.hpp`? [\#1750](https://github.com/nlohmann/json/issues/1750)
- how to validate json object before calling dump\(\) [\#1748](https://github.com/nlohmann/json/issues/1748)
- Unable to invoke accessors on json objects in lldb [\#1745](https://github.com/nlohmann/json/issues/1745)
- Escaping string before parsing [\#1743](https://github.com/nlohmann/json/issues/1743)
- Construction in a member initializer list using curly braces is set as 'array' [\#1742](https://github.com/nlohmann/json/issues/1742)
- Read a subkey from json object [\#1740](https://github.com/nlohmann/json/issues/1740)
- Serialize vector of glm:vec2 [\#1739](https://github.com/nlohmann/json/issues/1739)
- Support nlohmann::basic\_json::value with JSON\_NOEXCEPTION [\#1738](https://github.com/nlohmann/json/issues/1738)
- how to know the parse is error [\#1737](https://github.com/nlohmann/json/issues/1737)
- How to check if a given key exists in a JSON object [\#1736](https://github.com/nlohmann/json/issues/1736)
- Allow The Colon Key-Value Delimiter To Have A Space Before It \[@ READ ONLY\] [\#1735](https://github.com/nlohmann/json/issues/1735)
- Allow Tail { "Key": "Value" } Comma \[@ READ ONLY\] [\#1734](https://github.com/nlohmann/json/issues/1734)
- No-throw json::value\(\) [\#1733](https://github.com/nlohmann/json/issues/1733)
- JsonObject.dump\(\) [\#1732](https://github.com/nlohmann/json/issues/1732)
- basic\_json has no member "parse" [\#1731](https://github.com/nlohmann/json/issues/1731)
- Exception "type must be string, but is array" [\#1730](https://github.com/nlohmann/json/issues/1730)
- json::contains usage to find a path [\#1727](https://github.com/nlohmann/json/issues/1727)
- How to create JSON Object from my Structures of Data and Json File from that Object [\#1726](https://github.com/nlohmann/json/issues/1726)
- please provide an API to read JSON from file directly. [\#1725](https://github.com/nlohmann/json/issues/1725)
- How to modify a value stored at a key? [\#1723](https://github.com/nlohmann/json/issues/1723)
- CMake not correctly finding the configuration package for 3.7.0 [\#1721](https://github.com/nlohmann/json/issues/1721)
- name typo in the "spack package management" section of README.md [\#1720](https://github.com/nlohmann/json/issues/1720)
- How to add json to another json? [\#1718](https://github.com/nlohmann/json/issues/1718)
- json::parse\(\) ubsan regression with v3.7.0 [\#1716](https://github.com/nlohmann/json/issues/1716)
- What I am doing wrong?!? [\#1714](https://github.com/nlohmann/json/issues/1714)
- Potential memory leak detected by Valgrind [\#1713](https://github.com/nlohmann/json/issues/1713)
- json::parse is not thread safe? [\#1712](https://github.com/nlohmann/json/issues/1712)
- static analysis alarm by cppcheck [\#1711](https://github.com/nlohmann/json/issues/1711)
- The compilation time is slow [\#1710](https://github.com/nlohmann/json/issues/1710)
- not linking properly with cmake [\#1709](https://github.com/nlohmann/json/issues/1709)
- Error in dump\(\) with int64\_t minimum value [\#1708](https://github.com/nlohmann/json/issues/1708)
- Crash on trying to deserialize json string on 3ds homebrew [\#1707](https://github.com/nlohmann/json/issues/1707)
- Can't compile VS2019. 13 Errors [\#1706](https://github.com/nlohmann/json/issues/1706)
- find an object that matches the search criteria [\#1705](https://github.com/nlohmann/json/issues/1705)
- IntelliSense goes crazy on VS2019 [\#1704](https://github.com/nlohmann/json/issues/1704)
- Installing on Ubuntu 16.04 [\#1703](https://github.com/nlohmann/json/issues/1703)
- Where is json::parse now? [\#1702](https://github.com/nlohmann/json/issues/1702)
- Forward header should't be amalgamated [\#1700](https://github.com/nlohmann/json/issues/1700)
- Json support for Cmake version 2.8.12 [\#1699](https://github.com/nlohmann/json/issues/1699)
- Intruisive scientific notation when using .dump\(\); [\#1698](https://github.com/nlohmann/json/issues/1698)
- Is there support for automatic serialization/deserialization? [\#1696](https://github.com/nlohmann/json/issues/1696)
- on MSVC dump\(\) will hard crash for larger json [\#1693](https://github.com/nlohmann/json/issues/1693)
- puzzled implicit conversions [\#1692](https://github.com/nlohmann/json/issues/1692)
- Information: My project uses this awesome library [\#1691](https://github.com/nlohmann/json/issues/1691)
- Consider listing files explicitly instead of using GLOB [\#1686](https://github.com/nlohmann/json/issues/1686)
- Failing tests on MSVC with VS2019 15.9.13 x64 [\#1685](https://github.com/nlohmann/json/issues/1685)
- Consider putting the user-defined literals in a namespace [\#1682](https://github.com/nlohmann/json/issues/1682)
- Change from v2 to v3. Encoding with cp1252 [\#1680](https://github.com/nlohmann/json/issues/1680)
- How to add Fifo\_map into json using Cmake [\#1679](https://github.com/nlohmann/json/issues/1679)
- include.zip should contain meson.build [\#1672](https://github.com/nlohmann/json/issues/1672)
- \[Question\] How do I parse JSON into custom types? [\#1669](https://github.com/nlohmann/json/issues/1669)
- Binary \(0x05\) data type for BSON to JSON conversion [\#1668](https://github.com/nlohmann/json/issues/1668)
- Possible to call dump from lldb? [\#1666](https://github.com/nlohmann/json/issues/1666)
- Segmentation fault when linked with libunwind [\#1665](https://github.com/nlohmann/json/issues/1665)
- Should I include single-header after my to\_json and from\_json custom functions declaration? Why not? [\#1663](https://github.com/nlohmann/json/issues/1663)
- Errors/Warnings in VS 2019 when Including Header File [\#1659](https://github.com/nlohmann/json/issues/1659)
- Return null object from object's const operator\[\] as well. [\#1658](https://github.com/nlohmann/json/issues/1658)
- Can't stream json object in to std::basic\_stringstream\<wchar\_t\> [\#1656](https://github.com/nlohmann/json/issues/1656)
- C2440 in vs2015 cannot convert from 'initializer-list' to nlohmann::basic\_json [\#1655](https://github.com/nlohmann/json/issues/1655)
- Issues around get and pointers [\#1653](https://github.com/nlohmann/json/issues/1653)
- Non-member operator== breaks enum \(de\)serialization [\#1647](https://github.com/nlohmann/json/issues/1647)
- Valgrind: bytes in 1 blocks are definitely lost [\#1646](https://github.com/nlohmann/json/issues/1646)
- Convenient way to make 'basic\_json' accept 'QString' as an key type as well? [\#1640](https://github.com/nlohmann/json/issues/1640)
- mongodb: nan, inf [\#1599](https://github.com/nlohmann/json/issues/1599)
- Error in adl\_serializer [\#1590](https://github.com/nlohmann/json/issues/1590)
- Injecting class during serialization [\#1584](https://github.com/nlohmann/json/issues/1584)
- output\_adapter not user extensible [\#1534](https://github.com/nlohmann/json/issues/1534)
- Inclusion of nlohmann/json.hpp causes OS/ABI to change on Linux [\#1410](https://github.com/nlohmann/json/issues/1410)
- Add library versioning using inline namespaces [\#1394](https://github.com/nlohmann/json/issues/1394)
- CBOR byte string support [\#1129](https://github.com/nlohmann/json/issues/1129)
- How to deserialize array with derived objects [\#716](https://github.com/nlohmann/json/issues/716)
- Add restriction for tuple specialization of to\_json [\#1826](https://github.com/nlohmann/json/pull/1826) ([cbegue](https://github.com/cbegue))
- Fix for \#1647 [\#1821](https://github.com/nlohmann/json/pull/1821) ([AnthonyVH](https://github.com/AnthonyVH))
- Fix issue \#1805 [\#1806](https://github.com/nlohmann/json/pull/1806) ([cbegue](https://github.com/cbegue))
- Fix some spelling errors - mostly in comments & documentation. [\#1803](https://github.com/nlohmann/json/pull/1803) ([flopp](https://github.com/flopp))
- Update Hedley to v11. [\#1799](https://github.com/nlohmann/json/pull/1799) ([nemequ](https://github.com/nemequ))
- iteration\_proxy: Fix integer truncation from std::size\_t to int [\#1797](https://github.com/nlohmann/json/pull/1797) ([t-b](https://github.com/t-b))
- appveyor.yml: Add MSVC 16 2019 support [\#1780](https://github.com/nlohmann/json/pull/1780) ([t-b](https://github.com/t-b))
- test/CMakeLists.txt: Use an explicit list instead of GLOB [\#1779](https://github.com/nlohmann/json/pull/1779) ([t-b](https://github.com/t-b))
- Make json\_pointer::back const \(resolves \#1764\) [\#1769](https://github.com/nlohmann/json/pull/1769) ([chris0x44](https://github.com/chris0x44))
- did you mean 'serialization'? [\#1767](https://github.com/nlohmann/json/pull/1767) ([0xflotus](https://github.com/0xflotus))
- Allow items\(\) to be used with custom string [\#1765](https://github.com/nlohmann/json/pull/1765) ([crazyjul](https://github.com/crazyjul))
- Cppcheck fixes [\#1760](https://github.com/nlohmann/json/pull/1760) ([Xav83](https://github.com/Xav83))
- Fix and add test's for SFINAE problem [\#1741](https://github.com/nlohmann/json/pull/1741) ([tete17](https://github.com/tete17))
- Fix clang sanitizer invocation [\#1728](https://github.com/nlohmann/json/pull/1728) ([t-b](https://github.com/t-b))
- Add gcc 9 and compile with experimental C++20 support [\#1724](https://github.com/nlohmann/json/pull/1724) ([t-b](https://github.com/t-b))
- Fix int64 min issue [\#1722](https://github.com/nlohmann/json/pull/1722) ([t-b](https://github.com/t-b))
- release: add singleinclude and meson.build to include.zip [\#1694](https://github.com/nlohmann/json/pull/1694) ([eli-schwartz](https://github.com/eli-schwartz))
## [v3.7.0](https://github.com/nlohmann/json/releases/tag/v3.7.0) (2019-07-28)
[Full Changelog](https://github.com/nlohmann/json/compare/v3.6.1...v3.7.0)