v0.4.0rc2

What's Changed

• chore[ci]: reconfigure single commit validation by @charles-cooper in #3937
• fix[ux]: fix uses error message by @charles-cooper in #3926
• chore[tool]: remove vyper-serve from setup.py by @MoigeMatino in #3936
• chore[docs]: amend revert_on_failure kwarg docs for create builtins by @pcaversaccio in #3921
• fix[lang]: fix array index checks when the subscript is folded by @charles-cooper in #3924
• fix[lang]: fix uses analysis for nonreentrant functions by @charles-cooper in #3927
• feat[lang]: export interfaces by @charles-cooper in #3919

New Contributors

• @MoigeMatino made their first contribution in #3936

Full Changelog: v0.4.0rc1...v0.4.0rc2

v0.4.0rc1

What's Changed

• refactor[venom]: refactor venom operand classes by @harkal in #3915
• fix[ux]: error messages relating to initializer issues by @charles-cooper in #3831
• feat[lang]: add revert_on_failure kwarg for create builtins by @DanielSchiavini in #3844
• fix[ux]: raise VersionException with source info by @tserg in #3920
• fix[test]: fix a boundary case in decimal fuzzing by @charles-cooper in #3918
• feat[lang]!: change ABI type of decimal to int168 by @charles-cooper in #3696
• refactor[codegen]: make settings into a global object by @charles-cooper in #3929
• feat[lang]!: add feature flag for decimals by @charles-cooper in #3930

Full Changelog: v0.4.0b6...v0.4.0rc1

v0.4.0b6

What's Changed

• test: parametrize CI over EVM versions by @charles-cooper in #3842
• chore[ci]: enable python3.12 tests by @charles-cooper in #3860
• chore[ci]: refactor jobs to use gh actions by @charles-cooper in #3863
• chore[ci]: use --dist worksteal from latest xdist by @charles-cooper in #3869
• feat[ci]: enable cancun testing by @charles-cooper in #3861
• fix[lang]: fix importing of flag types by @cyberthirst in #3871
• fix[codegen]: overflow check in slice() by @charles-cooper in #3818
• chore: improve syntax error messages by @tserg in #3885
• chore[build]: remove docs rule in setup.py by @charles-cooper in #3882
• feat[ci]: add PR title validation by @charles-cooper in #3887
• feat[lang]!: change the signature of block.prevrandao by @charles-cooper in #3879
• fix[codegen]: fix non-memory reason strings by @tserg in #3877
• fix[lang]: transitive exports by @charles-cooper in #3888
• fix[test]: fix failure in grammar fuzzing by @charles-cooper in #3892
• feat[test]: add xfail_strict, clean up setup.cfg by @charles-cooper in #3889
• fix[ux]: fix compiler hang for large exponentiations by @charles-cooper in #3893
• fix[lang]: pure access analysis by @charles-cooper in #3895
• fix[ci]: pin hexbytes to pre-1.0.0 by @charles-cooper in #3903
• feat[ir]: add make_ssa pass to venom pipeline by @harkal in #3825
• fix[tool]: fix combined_json output for CLI by @charles-cooper in #3901
• refactor[venom]: use venom pass instances by @harkal in #3908
• fix[lang]: allow type expressions inside pure functions by @charles-cooper in #3906
• feat[test]: add more transient storage tests by @tserg in #3883
• chore[test]: update hexbytes version and tests by @DanielSchiavini in #3904
• fix[test]: fix a bad bound in decimal fuzzing by @charles-cooper in #3909
• fix[codegen]: fix transient codegen for slice and extract32 by @cyberthirst in #3874
• feat[ci]: update pypi release pipeline to use OIDC by @charles-cooper in #3912

New Contributors

• @cyberthirst made their first contribution in #3871

Full Changelog: v0.4.0b5...v0.4.0b6

v0.4.0b5

What's Changed

• feat[ir]: add eval_once sanity fences to more builtins by @charles-cooper in #3835
• chore[ci]: merge mypy job into lint by @charles-cooper in #3840
• fix[ir]: unique symbol name by @trocher in #3848
• feat[ir]: emit djump in dense selector table by @harkal in #3849
• feat[tool]: improvements to AST annotation by @charles-cooper in #3829
• docs: typo in test comment by @eltociear in #3850
• feat[tool]: add node_id map to source map by @charles-cooper in #3811
• feat[lang]: allow downcasting of bytestrings by @charles-cooper in #3832
• feat: drop istanbul and berlin support by @charles-cooper in #3843

Full Changelog: v0.4.0b4...v0.4.0b5

v0.4.0b4

What's Changed

• docs: update logo in readme, remove competition reference by @charles-cooper in #3837
• docs: add rationale for floordiv rounding behavior by @charles-cooper in #3845
• fix[ci]: release artifacts by @charles-cooper in #3839

Full Changelog: v0.4.0b3...v0.4.0b4

v0.4.0b3

What's Changed

• feat[lang]: protect external calls with keyword by @charles-cooper in #2938
• chore[ci]: roll back GH actions/*artifacts version by @charles-cooper in #3838

Full Changelog: v0.4.0b2...v0.4.0b3

v0.4.0b2

What's Changed

• docs: fixup release date by @charles-cooper in #3819
• fix[codegen]: bounds check for signed index accesses by @charles-cooper in #3817
• feat[tool]: validate AST nodes early in the pipeline by @charles-cooper in #3809
• feat[tool]: delay global constraint check by @charles-cooper in #3810
• chore[ci]: fix apt-get failure in era pipeline by @charles-cooper in #3821
• chore[ux]: improve an exports error message by @charles-cooper in #3822
• chore: Upgrade GitHub action dependencies by @DanielSchiavini in #3807
• fix[codegen]: range bound check for signed integers by @DanielSchiavini in #3814
• chore: remove tox rules for lint commands by @charles-cooper in #3826
• feat[tool]: export variable read/write access by @charles-cooper in #3790
• chore: improve codegen test coverage report by @charles-cooper in #3824
• chore[ci]: pin eth-abi for decode regression by @charles-cooper in #3834
• feat: add utility functions to OrderedSet by @harkal in #3833

Full Changelog: v0.4.0b1...v0.4.0b2

v0.4.0b1 (“Nagini”)

v0.4.0 represents a major overhaul to the Vyper language. Notably, it overhauls the import system and adds support for code reuse. It also adds a new, experimental backend to Vyper which lays the foundation for improved analysis, optimization and integration with third party tools.

What's Changed

• Update FUNDING.yml by @pcaversaccio in #3636
• docs: fix nit in v0.3.10 release notes by @charles-cooper in #3638
• docs: add note on pragma parsing by @pcaversaccio in #3640
• fix: block memory allocation overflow by @charles-cooper in #3639
• fix: reorder compilation of branches in stmt.py by @charles-cooper in #3603
• feat: remove builtin constants by @tserg in #3350
• refactor: merge annotation.py and local.py by @tserg in #3456
• fix: add missing test for memory allocation overflow by @charles-cooper in #3650
• fix: edit link to style guide by @engn33r in #3658
• docs: retire [email protected] by @charles-cooper in #3660
• chore: fix test for slice by @tserg in #3633
• refactor: internal handling of imports by @charles-cooper in #3655
• docs: update resources section by @pcaversaccio in #3656
• improvement: assert descriptions in Crowdfund finalize() and participate() by @nfwsncked in #3064
• add abi_types unit tests by @iFrostizz in #3662
• fix: remove hex-ir from format cli options list by @engn33r in #3657
• refactor: test directory structure by @charles-cooper in #3664
• feat: deprecate vyper-serve by @tserg in #3666
• perf: lazy eval of f-strings in IRnode ctor by @charles-cooper in #3602
• docs: add script to help working on the compiler by @charles-cooper in #3674
• refactor: builtin functions inherit from VyperType by @tserg in #3559
• docs: add warnings at the top of all example token contracts by @charles-cooper in #3676
• docs: typo in on_chain_market_maker.vy by @eltociear in #3677
• feat: implement new IR for vyper (venom IR) by @harkal in #3659
• chore: move venom tests to tests/unit/compiler by @charles-cooper in #3684
• add comptime check for uint2str input by @iFrostizz in #3671
• Refactor ctx.add_instruction() and friends by @harkal in #3685
• fix: remove .keyword from Call AST node by @charles-cooper in #3689
• chore: test all output formats by @charles-cooper in #3683
• feat: implement "stateless" modules by @charles-cooper in #3663
• feat: add short options -v and -O to the CLI by @charles-cooper in #3695
• feat: search path resolution for cli by @charles-cooper in #3694
• fix: type annotation of helper function by @harkal in #3702
• chore: improve exception handling in IR generation by @charles-cooper in #3705
• feat: Implement target constrained venom jump instruction by @harkal in #3687
• chore: update lint dependencies by @DanielSchiavini in #3704
• feat: replace enum with flag keyword by @AlbertoCentonze in #3697
• feat: Refactor assert_tx_failed into a context by @DanielSchiavini in #3706
• feat: allow range with two arguments and bound by @DanielSchiavini in #3679
• feat: improve panics in IR generation by @charles-cooper in #3708
• docs: clarify address.codehash for empty account by @pcaversaccio in #3711
• docs: indexed arguments for events are limited by @f3rmion in #3715
• refactor: reimplement AST folding by @tserg in #3669
• feat: remove deploy instruction from venom by @harkal in #3703
• feat: require type annotations for loop variables by @tserg in #3596
• feat: Add bb and bb_runtime output options by @harkal in #3700
• refactor: constant folding by @charles-cooper in #3719
• chore: improve diagnostics for invalid for loop annotation by @tserg in #3721
• refactor: for loop target parsing by @charles-cooper in #3724
• fix: allow using interface defs from imported modules by @charles-cooper in #3725
• Add Vyper online compiler tooling by @0x0077 in #3680
• feat: add support for constants in imported modules by @charles-cooper in #3726
• chore: bump sphinx version by @charles-cooper in #3728
• refactor: remove duplicate terminus checking code by @tserg in #3541
• feat: allow constant interfaces by @tserg in #3718
• fix: dead code analysis inside for loops by @charles-cooper in #3731
• fix[venom]: liveness analysis in some loops by @harkal in #3732
• feat: add more venom instructions by @charles-cooper in #3733
• fix: opcodes and opcodes_runtime outputs by @trocher in #3735
• fix: concat buffer bug by @charles-cooper in #3738
• chore: fix typos by @Thabokani in #3749
• docs: Fix typos by @BoboTiG in #3747
• docs: Upgrade dependencies and fixes by @BoboTiG in #3745
• fix: disallow value= passing for delegate and static raw_calls by @charles-cooper in #3755
• feat: rename vyper.interfaces to ethereum.ercs by @ControlCplusControlV in #3741
• fix: bad assertion in expr.py by @charles-cooper in #3758
• feat: remove Index AST node by @tserg in #3757
• refactor: ExprVisitor type validation by @tserg in #3739
• perf: reimplement IRnode.__deepcopy__ by @charles-cooper in #3761
• chore: improve exception for type validation by @tserg in #3759
• feat[lang]: singleton modules with ownership hierarchy by @charles-cooper in #3729
• fix: fuzz test not updated to use TypeMismatch by @charles-cooper in #3768
• chore: run mypy as part of lint rule in Makefile by @charles-cooper in #3771
• chore: fix StringEnum.generate_next_value signature by @charles-cooper in #3770
• docs: adopt a new theme: shibuya by @BoboTiG in #3754
• chore: improve some error messages by @charles-cooper in #3775
• feat: add python sys.path to vyper path by @charles-cooper in #3763
• fix: iterator modification analysis by @charles-cooper in #3764
• feat[lang]: remove named reentrancy locks by @charles-cooper in #3769
• refactor: get_search_paths() for vyper cli by @charles-cooper in #3778
• docs: add missing cli flags by @pcaversaccio in #3736
• perf: levenshtein optimization by @charles-cooper in #3780
• feat: frontend optimizations by @charles-cooper in #3781
• feat: optimize VyperNode.deepcopy by @charles-cooper in #3784
• chore: deduplicate test files by @tserg in #3773
• feat: more frontend optimizations by @charles-cooper in #3785
• feat[lang]: use keyword arguments for struct instantiation by @tserg in #3777
• chore: fix formatting and docs for new struct instantiation syntax by @tserg in #3792
• fix: assembly dead code eliminator by @charles-cooper in #3791
• chore: add color to mypy output by @charles-cooper in #3...

v0.3.10 ("Black Adder")

v0.3.10 is a performance focused release that additionally ships numerous bugfixes. It adds a codesize optimization mode (#3493), adds new vyper-specific #pragma directives (#3493), uses Cancun’s MCOPY opcode for some compiler generated code (#3483), and generates selector tables which now feature O(1) performance (#3496).

Breaking changes

• add runtime code layout to initcode (#3584)
• drop evm versions through istanbul (#3470)
• remove vyper signature from runtime (#3471)
• only allow valid identifiers to be nonreentrant keys (#3605)

Non-breaking changes and improvements

• O(1) selector tables (#3496)
• implement bound= in ranges (#3537, #3551)
• add optimization mode to vyper compiler (#3493)
• improve batch copy performance (#3483, #3499, #3525)

Notable fixes

• fix ecrecover() behavior when signature is invalid (GHSA-f5x6-7qgp-jhf3, #3586)
• fix: order of evaluation for some builtins (#3583, #3587)
• fix: memory allocation in certain builtins using msize (#3610)
• fix: _abi_decode() input validation in certain complex expressions (#3626)
• fix: pycryptodome for arm builds (#3485)
• let params of internal functions be mutable (#3473)
• typechecking of folded builtins in (#3490)
• update tload/tstore opcodes per latest 1153 EIP spec (#3484)
• fix: raw_call type when max_outsize=0 is set (#3572)
• fix: implements check for indexed event arguments (#3570)
• fix: type-checking for _abi_decode() arguments (#3626)

Other docs updates, chores and fixes

• relax restrictions on internal function signatures (#3573)
• note on security advisory in release notes for versions 0.2.15, 0.2.16, and 0.3.0 (#3553)
• fix: yanked version in release notes (#3545)
• update release notes on yanked versions (#3547)
• improve error message for conflicting methods IDs (#3491)
• document epsilon builtin (#3552)
• relax version pragma parsing (#3511)
• fix: issue with finding installed packages in editable mode (#3510)
• add note on security advisory for ecrecover in docs (#3539)
• add asm option to cli help (#3585)
• add message to error map for repeat range check (#3542)
• fix: public constant arrays (#3536)

New Contributors

• @0xmahdirostami made their first contribution in #3558
• @shmuel44 made their first contribution in #3566

Full Changelog: v0.3.9...v0.3.10

v0.3.10rc5

What's Changed

• fix: metadata output interaction with natspec by @charles-cooper in #3627
• fix: improve test case inputs in selector table fuzz by @charles-cooper in #3625

Full Changelog: v0.3.10rc4...v0.3.10rc5