v3.12.1: Update AUTHORS,CHANGELOG,CMakeLists.txt

Bug: 409848651
Change-Id: Ieb2fd5d5f280457acaf9dd29e657d43ea11261df
diff --git a/AUTHORS b/AUTHORS
index 84c63b2..a12d6b25 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -32,6 +32,7 @@
 Aron Rosenberg <arosenberg@logitech.com>
 Arpad Panyik <Arpad.Panyik@arm.com>
 Arun Singh Negi <arun.negi@ittiam.com>
+Athulya Raj Raji Mohini <AthulyaRaj.RajiMohini@arm.com>
 Attila Nagy <attilanagy@google.com>
 Balaji Anandapadmanaban <balaji.anandapadmanaban@arm.com>
 Bohan Li <bohanli@google.com>
diff --git a/CHANGELOG b/CHANGELOG
index fce8dc9..76d8706 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,19 @@
+2025-04-11 v3.12.1
+  This release includes several bug fixes. This release is ABI
+  compatible with the last release. See
+  https://aomedia.googlesource.com/aom/+log/v3.12.0..v3.12.1 for all the
+  commits in this release.
+
+  - Bug Fixes
+    * b:396169342: Assertion
+      `av1_is_subpelmv_in_range(&ms_params.mv_limits, start_mv)' failed.
+    * b:401671154: typo in void init_src_params(...)
+    * Coverity defect 323670: Uninitialized scalar variable in
+      encode_with_and_without_superres()
+    * cmake: bump minimum version to 3.16
+    * cfl_ppc: fix subtract_average_vsx
+    * Fix an incorrect index in av1_highbd_pixel_proj_error_neon
+
 2025-02-10 v3.12.0
   This release includes new codec interfaces, compression efficiency and
   perceptual improvements, speedup and memory optimizations, and bug
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f04312..50b4261 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,7 +55,7 @@
 #
 # We set SO_FILE_VERSION = [c-a].a.r
 set(LT_CURRENT 15)
-set(LT_REVISION 0)
+set(LT_REVISION 1)
 set(LT_AGE 12)
 math(EXPR SO_VERSION "${LT_CURRENT} - ${LT_AGE}")
 set(SO_FILE_VERSION "${SO_VERSION}.${LT_AGE}.${LT_REVISION}")