diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 43cef19f10e..1b530819506 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -3,6 +3,31 @@
 :issue: https://github.com/elastic/beats/issues/
 :pull: https://github.com/elastic/beats/pull/
 
+[[release-notes-8.10.3]]
+=== Beats version 8.10.3
+https://github.com/elastic/beats/compare/v8.10.2\...v8.10.3[View commits]
+
+==== Bugfixes
+
+*Affecting all Beats*
+- syslog processor - Fix the ability to use `when` conditions on the processor. {issue}36762[36762]
+
+*Packetbeat*
+
+- Fix default cache size calculation. {pull}36723[36723]
+
+==== Added
+
+*Filebeat*
+
+- Update mito CEL extension library to v1.6.0. {pull}36651[36651]
+- Re-use buffers to optimise memory allocation in fingerprint mode of filestream {pull}36736[36736]
+
+*Packetbeat*
+
+- Improve efficiency of sniffers by deduplicating interface configurations. {issue}36574[36574] {pull}36576[36576]
+
+
 [[release-notes-8.10.2]]
 === Beats version 8.10.2
 https://github.com/elastic/beats/compare/v8.10.1\...v8.10.2[View commits]
diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 10acecb4f81..133d02c70f1 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -141,7 +141,6 @@ is collected by it.
 
 *Packetbeat*
 
-- Fix default cache size calculation. {pull}36723[36723]
 
 *Winlogbeat*
 
@@ -262,6 +261,9 @@ is collected by it.
 - Improve efficiency of sniffers by deduplicating interface configurations. {issue}36574[36574] {pull}36576[36576]
 - Bump Windows Npcap version to v1.76. {issue}36539[36539] {pull}36549[36549]
 
+*Packetbeat*
+
+
 *Winlogbeat*
 
 
@@ -324,4 +326,7 @@ is collected by it.
 
 
 
+
+
+
 
diff --git a/libbeat/docs/release.asciidoc b/libbeat/docs/release.asciidoc
index 0163c1f1c14..63169edc010 100644
--- a/libbeat/docs/release.asciidoc
+++ b/libbeat/docs/release.asciidoc
@@ -8,6 +8,7 @@ This section summarizes the changes in each release. Also read
 <<breaking-changes>> for more detail about changes that affect
 upgrade.
 
+* <<release-notes-8.10.3>>
 * <<release-notes-8.10.2>>
 * <<release-notes-8.10.1>>
 * <<release-notes-8.10.0>>