diff --git a/README b/README
index 9f7008748ac..7032fadf713 100644
--- a/README
+++ b/README
@@ -2,7 +2,7 @@ Copyright (C) 2001-2025 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
-This directory tree holds version 30.2 of GNU Emacs, the extensible,
+This directory tree holds version 30.2.50 of GNU Emacs, the extensible,
 customizable, self-documenting real-time display editor.
 
 The file INSTALL in this directory says how to build and install GNU
diff --git a/configure.ac b/configure.ac
index aedf5de759f..d91395e9163 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@ dnl  along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.65])
 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
-AC_INIT([GNU Emacs], [30.2], [bug-gnu-emacs@gnu.org], [],
+AC_INIT([GNU Emacs], [30.2.50], [bug-gnu-emacs@gnu.org], [],
   [https://www.gnu.org/software/emacs/])
 
 if test "$XCONFIGURE" = "android"; then
diff --git a/etc/NEWS b/etc/NEWS
index dfe6c5cafe6..56f0953cd3e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -15,6 +15,33 @@ in older Emacs versions.
 You can narrow news to a specific version by calling 'view-emacs-news'
 with a prefix argument or by typing 'C-u C-h C-n'.
 
+
+* Installation Changes in Emacs 30.3
+
+
+* Startup Changes in Emacs 30.3
+
+
+* Changes in Emacs 30.3
+
+
+* Editing Changes in Emacs 30.3
+
+
+* Changes in Specialized Modes and Packages in Emacs 30.3
+
+
+* New Modes and Packages in Emacs 30.3
+
+
+* Incompatible Lisp Changes in Emacs 30.3
+
+
+* Lisp Changes in Emacs 30.3
+
+
+* Changes in Emacs 30.3 on Non-Free Operating Systems
+
 
 * Changes in Emacs 30.2
 Emacs 30.2 is a bug-fix release with no new features.
diff --git a/exec/configure.ac b/exec/configure.ac
index 40df33d5cfc..54875f1868f 100644
--- a/exec/configure.ac
+++ b/exec/configure.ac
@@ -22,7 +22,7 @@ dnl  You should have received a copy of the GNU General Public License
 dnl  along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.65])
-AC_INIT([libexec], [30.2], [bug-gnu-emacs@gnu.org], [],
+AC_INIT([libexec], [30.2.50], [bug-gnu-emacs@gnu.org], [],
   [https://www.gnu.org/software/emacs/])
 
 AH_TOP([/* Copyright (C) 2024-2025 Free Software Foundation, Inc.
diff --git a/java/AndroidManifest.xml.in b/java/AndroidManifest.xml.in
index afc38bbb6b0..dceddcdcff9 100644
--- a/java/AndroidManifest.xml.in
+++ b/java/AndroidManifest.xml.in
@@ -350,6 +350,6 @@ repositories require an incrementing numeric version code to detect
 upgrades, which is provided here and is altered by admin/admin.el.
 Refer to e.g. https://forum.f-droid.org/t/emacs-packaging/30424/25.
 
-Version-code: 300200000
+Version-code: 300250000
 
 -->
diff --git a/msdos/sed2v2.inp b/msdos/sed2v2.inp
index e487e169f54..0757727c2c0 100644
--- a/msdos/sed2v2.inp
+++ b/msdos/sed2v2.inp
@@ -67,7 +67,7 @@
 /^#undef PACKAGE_NAME/s/^.*$/#define PACKAGE_NAME ""/
 /^#undef PACKAGE_STRING/s/^.*$/#define PACKAGE_STRING ""/
 /^#undef PACKAGE_TARNAME/s/^.*$/#define PACKAGE_TARNAME ""/
-/^#undef PACKAGE_VERSION/s/^.*$/#define PACKAGE_VERSION "30.2"/
+/^#undef PACKAGE_VERSION/s/^.*$/#define PACKAGE_VERSION "30.2.50"/
 /^#undef SYSTEM_TYPE/s/^.*$/#define SYSTEM_TYPE "ms-dos"/
 /^#undef HAVE_DECL_GETENV/s/^.*$/#define HAVE_DECL_GETENV 1/
 /^#undef SYS_SIGLIST_DECLARED/s/^.*$/#define SYS_SIGLIST_DECLARED 1/
diff --git a/nt/README.W32 b/nt/README.W32
index 4a588d7b4a8..ede1632dfdd 100644
--- a/nt/README.W32
+++ b/nt/README.W32
@@ -1,7 +1,7 @@
 Copyright (C) 2001-2025 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
-		Emacs version 30.2 for MS-Windows
+		Emacs version 30.2.50 for MS-Windows
 
   This README file describes how to set up and run a precompiled
   distribution of the latest version of GNU Emacs for MS-Windows.  You