Update AUTHORS,CHANGELOG,CMakeLists.txt for v3.8.1

Bug: aomedia:3540
Change-Id: I32054952c35ccb9dcaf44fecba8a8b198ed73d83
diff --git a/AUTHORS b/AUTHORS
index ade7a1a..509c0d1 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -235,6 +235,7 @@
 Rostislav Pehlivanov <rpehlivanov@mozilla.com>
 Ruiling Song <ruiling.song@intel.com>
 Rui Ueyama <ruiu@google.com>
+Ruoyu Zhong <zhongruoyu@outlook.com>
 Rupert Swarbrick <rupert.swarbrick@argondesign.com>
 Ryan Lei <ryanlei@fb.com>
 Ryan Overbeck <rover@google.com>
diff --git a/CHANGELOG b/CHANGELOG
index b243837..daa83a1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,24 @@
+2024-01-17 v3.8.1
+  This release includes several bug fixes. This release is ABI
+  compatible with the last release. See
+  https://aomedia.googlesource.com/aom/+log/v3.8.0..v3.8.1 for all the
+  commits in this release.
+
+  - Bug Fixes
+    * aomedia:3520: get_cubic_kernel_dbl: Assertion `0 <= x && x < 1'
+      failed.
+    * aomedia:3526: alloc_compressor_data() is called during every
+      aom_codec_control() call on the encoder.
+    * aomedia:3527: aom/av1/encoder/mcomp.c:1810: av1_full_pixel_search:
+      Assertion `ms_params->ms_buffers.ref->width ==
+      ms_params->ms_buffers.src->width' failed.
+    * aomedia:3534: libaom encoder crashed by AOM_USAGE_ALL_INTRA and
+      AOM_EFLAG_NO_REF_LAST flags.
+    * b/310455204: Recreate workers if necessary.
+    * b/310548198: Update frame size in actual encoding.
+    * b/314858909: Do not use adaptive error estimate.
+    * Fix a hang of cmake on arm64 macOS with cmake 3.27.0 or later.
+
 2023-11-30 v3.8.0
   This release includes new codec interfaces, compression efficiency and
   perceptual improvements, speedup and memory optimizations and many bug
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c97ccd1..308a93d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,7 +59,7 @@
 #
 # We set SO_FILE_VERSION = [c-a].a.r
 set(LT_CURRENT 11)
-set(LT_REVISION 0)
+set(LT_REVISION 1)
 set(LT_AGE 8)
 math(EXPR SO_VERSION "${LT_CURRENT} - ${LT_AGE}")
 set(SO_FILE_VERSION "${SO_VERSION}.${LT_AGE}.${LT_REVISION}")