diff --git a/ChangeLog b/ChangeLog
index 5401de641792f3ec169ce091dde57aec9c77e003..bc9ab5bcdadbe0e910c5e1037d25402332d421cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-18  Jakub Jelinek  <jakub@redhat.com>
 
 	* configure.ac: For --enable-languages= mentioning explicitly
diff --git a/c++tools/ChangeLog b/c++tools/ChangeLog
index 6a6ff51cd0de81668a95837d4ae02f8a76b4dd9d..a79fd7dc9aa41f222fd878593f1ccee4143eb5cd 100644
--- a/c++tools/ChangeLog
+++ b/c++tools/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-31  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR bootstrap/101834
diff --git a/config/ChangeLog b/config/ChangeLog
index 994fed8e74df0197b8638b3105aa04ae7d7c4699..f36ef0761ba7f829925b04174b46ab287bf013e4 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-14  Martin Liska  <mliska@suse.cz>
 
 	Revert:
diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 169ba9ae38dc1c3266a1913b856e84fe9e86d7b9..e9362593c882e618cf91e15c80a870ab74d20859 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-16  Jakub Jelinek  <jakub@redhat.com>
 
 	* unicode/README: Update to mention also makeuname2c.
diff --git a/contrib/header-tools/ChangeLog b/contrib/header-tools/ChangeLog
index c8735e1d73e3faebfca4b5f9f866bfd40d8f2171..510e1f2603f544333c223691d976fef81c9c0fb9 100644
--- a/contrib/header-tools/ChangeLog
+++ b/contrib/header-tools/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-08-31  Martin Liska  <mliska@suse.cz>
 
 	* README: Remove deprecated ports.
diff --git a/contrib/reghunt/ChangeLog b/contrib/reghunt/ChangeLog
index af27b8f97c4c97c0c4713d48b68af45bca165859..dd9dc7688c93775e6279912f3ad3fd5a4ed06086 100644
--- a/contrib/reghunt/ChangeLog
+++ b/contrib/reghunt/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2010-06-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* bin/gcc-svn-ids: Fix unportable shell quoting.
diff --git a/contrib/regression/ChangeLog b/contrib/regression/ChangeLog
index 27dccaca91e4865008121deaca352a3780b6e379..4e3fec5e49ea433a2119992c481fb8c6fa798862 100644
--- a/contrib/regression/ChangeLog
+++ b/contrib/regression/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-16  Hans-Peter Nilsson  <hp@axis.com>
 
 	* objs-gcc.sh: Only bootstrap if source-directory contains gcc.
diff --git a/fixincludes/ChangeLog b/fixincludes/ChangeLog
index af6873a12c1a470dbf9850793a73fac845abe48a..40b85da6cf228bcd585abcbff1d48f78da88f63b 100644
--- a/fixincludes/ChangeLog
+++ b/fixincludes/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-28  Xi Ruoyao  <xry111@xry111.site>
 
 	PR other/109293
diff --git a/gcc/BASE-VER b/gcc/BASE-VER
index 5cb7d8566fff607c34e26fa88ecf737156fbf0d9..e6ba351366d76710d41484a86795c739c846818f 100644
--- a/gcc/BASE-VER
+++ b/gcc/BASE-VER
@@ -1 +1 @@
-13.0.1
+13.1.0
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cd4024bd876fddc38c81d4267165b9af98b0f029..be07b08a5166fdc01cc4b7ee02b4b8c224b5fb91 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-25  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/DEV-PHASE b/gcc/DEV-PHASE
index 373fbc60bb98c71579de8c2c61956f178ead487a..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644
--- a/gcc/DEV-PHASE
+++ b/gcc/DEV-PHASE
@@ -1 +0,0 @@
-prerelease
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 84237190634617ca76caa6cb3c0f6d1220b9d31f..0b99c42902411d5bfac6b909c8b34b2d04624251 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-15  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR bootstrap/109510
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 86f2e229519351138bbbdd4c6e61234dd51a854f..fd764fe753c8a1bab5c1929b9d7664b9ddd648c1 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-22  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/109239
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 2fd0d5a3a3e4fc5059c5fec56a8914104cb972de..364bb5af62d8f79a99c871fcaee0a00e4ae53837 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-28  David Malcolm  <dmalcolm@redhat.com>
 
 	PR c/107002
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index f23b3ba65dae754c63b062b83372e64f1ab32359..7e98008a65d32e7472919842b31d9a457cf3da3b 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-28  David Malcolm  <dmalcolm@redhat.com>
 
 	PR c/107002
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index bfb1bafaad57d9f278b5667dd80e0bedb4b0908c..7fde21b9ef288c8c4b286ce628145946c0f7a112 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-19  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master:
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index 0ec5aeee2dfa3a70021ccc701c8e16df0f60c782..c554811fb520dc9da1f71f9e58924768c08ac944 100644
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-17  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* dmd/MERGE: Merge upstream dmd 5f7552bb28.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 4fa083acf3c645fc0d9a8e51605b3344e4a97637..272e87dad25b8dbc00d18e170a91f1d89b646267 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-14  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/109511
diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index 507e2d3c876f5c608f73b38258cf4204638d81b5..a13c960353a8b0331dc9be94847e1a0e6210b4aa 100644
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-24  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/109258
diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index 4c30cab1db82000e96128975cb20ce7c30be31bf..e5f31fd4386c5c905bb1e35b9e270a6115cefb3b 100644
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-16  Patrick Palka  <ppalka@redhat.com>
 
 	* jit-dejagnu.h: Mechanically drop static from static inline
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 1c801bd8d8d297a0b2d5c2cc8869cc1c3b37d334..42648bcd3982b8570aa74aa1be18d8bb9c343ac1 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-01  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/108910
diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 795d37844241763b9351060726bbfbb10f048ad1..5112318143e61cf980176a4e5029d84a071d704f 100644
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-13  Gaius Mulley  <gaiusmod2@gmail.com>
 
 	PR modula2/109488
diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index 8e9f676d15b727af806fbf8bc23bb6fd0d1f4a74..88c236dcad8b18928ac87318fc7d1fdb7e23b447 100644
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-16  Patrick Palka  <ppalka@redhat.com>
 
 	* objc-act.h: Mechanically drop static from static inline
diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index b17ed645628baa26bf74d6841887a82894a228c4..10e844c3d7207728a68623c15dfd1b4234e474aa 100644
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-15  Patrick Palka  <ppalka@redhat.com>
 
 	* objcp-lang.cc (objcp_tsubst_copy_and_build): Adjust calls to
diff --git a/gcc/po/ChangeLog b/gcc/po/ChangeLog
index cc3800e351b9a9bf79bbe07362dd05586c293b3e..2a5c36b15832de3996ca0f2e55828bbb2e26a278 100644
--- a/gcc/po/ChangeLog
+++ b/gcc/po/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-25  Joseph Myers  <joseph@codesourcery.com>
 
 	* gcc.pot: Regenerate.
diff --git a/gcc/rust/ChangeLog b/gcc/rust/ChangeLog
index 25b8ddff9e84caa3f1810bfdb308eef5ffa4d659..2ef532f808fce6501be2af738a93b543e2d0306e 100644
--- a/gcc/rust/ChangeLog
+++ b/gcc/rust/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-06  Owen Avery  <powerboat9.gamer@gmail.com>
 
 	* parse/rust-parse-impl.h
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f9d4d091c16a18577ec17a3c1b04124dcf0cb7c6..4badb39132cdae842cca5fb2db0878fdb8da397c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-25  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gnattools/ChangeLog b/gnattools/ChangeLog
index 67950648e82e434b1d621ba25843e3d19f9d31dd..97676c998c1f413c983fa62187abfa712a1f9b7f 100644
--- a/gnattools/ChangeLog
+++ b/gnattools/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-08-31  Martin Liska  <mliska@suse.cz>
 
 	* configure.ac: Remove deprecated ports.
diff --git a/gotools/ChangeLog b/gotools/ChangeLog
index 623dec58f95e208fe7dee0b916247ba968dd5eb3..4ecea9d13944c5f0a2491c8c3e9004504bddcc17 100644
--- a/gotools/ChangeLog
+++ b/gotools/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-08-30  Martin Liska  <mliska@suse.cz>
 
 	* Makefile.in: Regenerate.
diff --git a/include/ChangeLog b/include/ChangeLog
index 76655e7ff8699fb815687d4df2af84699a616826..fa94f61377f6381e1e5eba86c232a1b11ecc9cda 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-27  Max Filippov  <jcmvbkbc@gmail.com>
 
 	* xtensa-dynconfig.h (xtensa_config_v3): New struct.
diff --git a/intl/ChangeLog b/intl/ChangeLog
index 60d604adac01ccb7c302e13c2e72cea5f024b0fb..4738fc36b54ceab69bd3ad74472f95bbf5195b7a 100644
--- a/intl/ChangeLog
+++ b/intl/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-23  Marek Polacek  <polacek@redhat.com>
 
 	Revert:
diff --git a/libada/ChangeLog b/libada/ChangeLog
index 12901d135325d159ed867903ba7904fdc63be597..e3a0470f2c0a028f09495a888950f00cce3c5e90 100644
--- a/libada/ChangeLog
+++ b/libada/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-08-25  Martin Liska  <mliska@suse.cz>
 
 	* configure: Regenerate.
diff --git a/libatomic/ChangeLog b/libatomic/ChangeLog
index cd2c49432c57f14a4e76d5f85d5888ae2edb747d..06e4b6ce1fb010490990ad2dc40a1503cda3ca1a 100644
--- a/libatomic/ChangeLog
+++ b/libatomic/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-24  Wilco Dijkstra  <wilco.dijkstra@arm.com>
 
 	PR libgcc/108891
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index c2066eb28a4b4642d32e1315adedaea0c0de119a..d6fbe37c216122edebcf3610a395f466438e6343 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-28  Ian Lance Taylor  <iant@golang.org>
 
 	* elf.c (elf_zstd_read_fse): Call elf_fetch_bits after reading
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 4462625c2eb726ea0ace428ec736310bfd4c9dfd..8904f23873a39fa71dd1f55c9426309cb52e957a 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-01  Nathan Sidwell  <nathan@acm.org>
 
 	* libcp1plugin.cc (plugin_start_lambda_closure_class_type):
diff --git a/libcody/ChangeLog b/libcody/ChangeLog
index d1c7a82e2545d93ed1923bd07eccb05183c98d48..7f7aea4d6acccf293dfc700d848b3c0ddd4ac293 100644
--- a/libcody/ChangeLog
+++ b/libcody/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-23  Marek Polacek  <polacek@redhat.com>
 
 	Revert:
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 8510dc20bed9213388c04c63b81276e85e47e71e..b73c9149929422a566aa3b34f2f8b02948165ff8 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-25  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/109098
diff --git a/libcpp/po/ChangeLog b/libcpp/po/ChangeLog
index 0d93b77cfa74a7afcf6735e4aa3c0e5e7969709d..2fc775e30c66f520fd7724c28bca552c08eaaea2 100644
--- a/libcpp/po/ChangeLog
+++ b/libcpp/po/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-28  Joseph Myers  <joseph@codesourcery.com>
 
 	* sr.po, sv.po: Update.
diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
index b2125e3131fa74bd8d70f892d2551b127ec582d2..fcd45bb00c3ef7c7cbe5c213b25373cb9a1cb8a8 100644
--- a/libdecnumber/ChangeLog
+++ b/libdecnumber/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-23  Marek Polacek  <polacek@redhat.com>
 
 	Revert:
diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 0759d0dd0b0707f73527b38d87c04a57b53fb3cf..6e2da0042f48ea851e7bfb5f732b87b60fa75fbd 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-01-22  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* testsuite/lib/libffi.exp: Search for both shared and archive
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 40de969d18c9e4c3f20d8e94e805521cef05c02f..73b55d10bf34c28c4ef24feb03d8ef621717f01e 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-08  Tetsuma Hoshino  <t-hoshino@pony-e.jp>
 
 	PR target/109402
diff --git a/libgcc/config/avr/libf7/ChangeLog b/libgcc/config/avr/libf7/ChangeLog
index 026dafdbb2eb0a4ff6b2e554f68279e4073d9381..caa669cc66a3959b71d2c88e22b44036373b50ff 100644
--- a/libgcc/config/avr/libf7/ChangeLog
+++ b/libgcc/config/avr/libf7/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-09-19  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/99184
diff --git a/libgcc/config/libbid/ChangeLog b/libgcc/config/libbid/ChangeLog
index 05480dd7da60a6be769189f418b22c18ef6c285d..3983146b54158913f9aac95b6cd7e73d400bc369 100644
--- a/libgcc/config/libbid/ChangeLog
+++ b/libgcc/config/libbid/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-05-20  Christophe Lyon  <christophe.lyon@arm.com>
 
 	* bid_binarydecimal.c (CLZ32_MASK16): Delete.
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index dbe2bb720a9c9d3d7df1baf913be13f9dede5576..1b7317d05a539361593f473f155d85970e97d611 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	* generated/pack_c10.c (pack_c10): Regenerated.
diff --git a/libgm2/ChangeLog b/libgm2/ChangeLog
index 2139ea2ecf851f81b8cf1cf394c8f3a9c387bf71..94efd544556344429aa653e924aa395e47eafad7 100644
--- a/libgm2/ChangeLog
+++ b/libgm2/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-22  Gaius Mulley  <gaiusmod2@gmail.com>
 
 	* libm2pim/Makefile.am (M2DEFS): Remove M2LINK.def.
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index c50e5916f8f47e6856fbdbea3160b194bb8cabf3..be63f44be7d3912864916ae8e09dfed6206a8359 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* testsuite/libgomp.oacc-c-c++-common/routine-nohost-2.c: Add
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 99e5a861fbede9ecddc99b7f2ffca03172d13a81..349cd62310496e777f85905ba7824e49352db93e 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR other/109306
diff --git a/libitm/ChangeLog b/libitm/ChangeLog
index b06d2f88a2bab0c1b5cf738cdedd2a21b70f3cc7..44f0476d9ea6757707ccf2273df6803c07e7e323 100644
--- a/libitm/ChangeLog
+++ b/libitm/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-01-02  Jakub Jelinek  <jakub@redhat.com>
 
 	* libitm.texi: Bump @copying's copyright year.
diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index 538f8b2ddc09e52ac17a67558277b7eed0780e53..3e30c28f1469071b3985c9bd1b49121f203fef08 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-10-20  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* configure.ac (AC_CONFIG_MACRO_DIRS): Instantiate.
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index 70d4f557d1c4d2893a8d34600de081bb76887f78..f7e29283a745227d149912698d72255b50078490 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-17  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* libdruntime/MERGE: Merge upstream druntime 5f7552bb28.
diff --git a/libquadmath/ChangeLog b/libquadmath/ChangeLog
index 3003c7a84a7ad35a9e1a165b2cdffd161ad1b067..404eb4fe566c0d1c5f7a032546b40804ba70353d 100644
--- a/libquadmath/ChangeLog
+++ b/libquadmath/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-02  niXman  <i.nixman@autistici.org>
 	    Jakub Jelinek  <jakub@redhat.com>
 
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index c3cc61df59d9efdea8d46e80658ecb55c3c93ea8..4f9cfdf9c7bf93360a0e2f7aad4c32bebffbe583 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-18  Iain Sandoe  <iain@sandoe.co.uk>
 
 	Backported from master:
diff --git a/libssp/ChangeLog b/libssp/ChangeLog
index 2a303b85b39ceac7e046c06c289f489be139b3aa..a175a59828e591dbbfbe98c170b2a7f5962f27a5 100644
--- a/libssp/ChangeLog
+++ b/libssp/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-01-07  LIU Hao  <lh_mouse@126.com>
 
 	PR middle-end/108300
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4abb0990b15f2fb17bf24105a77b4e30f5a67899..84d62c13f51835b55fb5b1a323acc06e4e634032 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-04-19  Jonathan Wakely  <jwakely@redhat.com>
 
 	Revert:
diff --git a/libvtv/ChangeLog b/libvtv/ChangeLog
index 88705423c4b04669b44376ddc7b6e5af6c2d269e..a33632d7b825a60f7cb8db0e3236810e2354c0fd 100644
--- a/libvtv/ChangeLog
+++ b/libvtv/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-01-07  LIU Hao  <lh_mouse@126.com>
 
 	PR middle-end/108300
diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index e703899ca46c729351d4cc93dc4c57108f1dff8d..433ebcbac2d25be7a17d9e788f1ab4f3b75641e2 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-23  Marek Polacek  <polacek@redhat.com>
 
 	Revert:
diff --git a/maintainer-scripts/ChangeLog b/maintainer-scripts/ChangeLog
index 153dd1823e2a3e7d0b22efde8a4a650330260212..6931cf260c8eddd90a3386efad52bd6e8cbeb8ff 100644
--- a/maintainer-scripts/ChangeLog
+++ b/maintainer-scripts/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2023-03-21  Arsen Arsenović  <arsen@aarsen.me>
 
 	* update_web_docs_git: Set CONTENTS_OUTPUT_LOCATION=inline in
diff --git a/zlib/ChangeLog b/zlib/ChangeLog
index 93644550074ce67423e6a2b09c18e87883e58d73..8e80ee54f5ca57ba1237e1f38e68d544b3bd22f1 100644
--- a/zlib/ChangeLog
+++ b/zlib/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-26  Release Manager
+
+	* GCC 13.1.0 released.
+
 2022-11-23  Marek Polacek  <polacek@redhat.com>
 
 	Revert: