Update CHANGELOG and CMakeLists.txt for v3.13.3

Bug: 498612990
Change-Id: I383318b702bbe64ce49b74510ba3f0a134e9d8c8

CHANGELOG

diff --git a/CHANGELOG b/CHANGELOG
index fb54ee5..354123b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,15 @@
+2026-04-02 v3.13.3
+  This release includes several bug fixes. This release is ABI
+  compatible with the last release. See
+  https://aomedia.googlesource.com/aom/+log/v3.13.2..v3.13.3 for all the
+  commits in this release.
+
+  - Bug Fixes
+    * Commit 4cc0867f: fix multithreading crashes when loop restoration
+      filtering is used by the encoder.
+    * Commit 74aaa1ef: fix AOM_SCALING_MODE crashes when compound mask
+      prediction modes are used by the encoder.
+
 2026-03-17 v3.13.2
   This release includes several bug fixes. This release is ABI
   compatible with the last release. See

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac2b7cd..089149e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,7 @@
 
 # VERSION is the release version of the library. It should be updated at the
 # same time as the LT_* variables.
-project(AOM LANGUAGES C CXX VERSION 3.13.2)
+project(AOM LANGUAGES C CXX VERSION 3.13.3)
 
 # GENERATED source property global visibility.
 if(POLICY CMP0118)
@@ -59,7 +59,7 @@
 #
 # The VERSION number in project() should be updated when these variables are.
 set(LT_CURRENT 16)
-set(LT_REVISION 2)
+set(LT_REVISION 3)
 set(LT_AGE 13)
 math(EXPR SO_VERSION "${LT_CURRENT} - ${LT_AGE}")
 set(SO_FILE_VERSION "${SO_VERSION}.${LT_AGE}.${LT_REVISION}")