diff --git a/.hgtags b/.hgtags
index b2b8f284a8..0a63d6934b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -143,3 +143,4 @@ fdadf31961bb5b089f5a2b7cd660351434b31de0 release-8-2-0
 d0c18b1446dfce3dd2c9953fb8d51341b680f384 release-9-1-0
 75ef583dd829d9190a90295b7e530364c3ff0ed7 rc-9-1-90
 f7f956555e4ab8a05d52a9be4c24209670b870d2 release-9-2-0
+5854a65df8f59c0071eea5c51ed386ab779729bc release-9-3-0
diff --git a/CITATION b/CITATION
index c2ad0a9ade..2cdc0cb544 100644
--- a/CITATION
+++ b/CITATION
@@ -1,17 +1,17 @@
 To cite GNU Octave in publications use:
 
   John W. Eaton, David Bateman, Søren Hauberg, Rik Wehbring (2024).
-  GNU Octave version 9.2.0 manual: a high-level interactive language for
+  GNU Octave version 9.3.0 manual: a high-level interactive language for
   numerical computations.
-  URL https://www.gnu.org/software/octave/doc/v9.2.0/
+  URL https://www.gnu.org/software/octave/doc/v9.3.0/
 
 A BibTeX entry for LaTeX users is:
 
   @manual{,
-    title     = {{GNU Octave} version 9.2.0 manual: a high-level interactive language for numerical computations},
+    title     = {{GNU Octave} version 9.3.0 manual: a high-level interactive language for numerical computations},
     author    = {John W. Eaton and David Bateman and S{\o}ren Hauberg and Rik Wehbring},
     year      = {2024},
-    url       = {https://www.gnu.org/software/octave/doc/v9.2.0/},
+    url       = {https://www.gnu.org/software/octave/doc/v9.3.0/},
   }
 
 We have invested a lot of time and effort in creating GNU Octave, please
diff --git a/etc/NEWS.9.md b/etc/NEWS.9.md
index b5a7c704dd..879680cdf9 100644
--- a/etc/NEWS.9.md
+++ b/etc/NEWS.9.md
@@ -1,6 +1,6 @@
 For (bug #XXXXX) see https://savannah.gnu.org/bugs/?XXXXX
 
-Summary of bugs fixed for version 9.3.0 (tbd):
+Summary of bugs fixed for version 9.3.0 (2024-12-12):
 -----------------------------------------------------
 
 ### Improvements and fixes
diff --git a/etc/icons/org.octave.Octave.metainfo.xml b/etc/icons/org.octave.Octave.metainfo.xml
index 8aaafd7b51..3d920eeeff 100644
--- a/etc/icons/org.octave.Octave.metainfo.xml
+++ b/etc/icons/org.octave.Octave.metainfo.xml
@@ -198,6 +198,7 @@ along with Octave; see the file COPYING.  If not, see
   </developer>
   <content_rating type="oars-1.0"/>
   <releases>
+    <release date="2024-12-12" version="9.3.0"/>
     <release date="2024-06-01" version="9.2.0"/>
     <release date="2024-03-14" version="9.1.0"/>
     <release date="2023-11-05" version="8.4.0"/>