diff --git a/.github/workflows/publish-2.0-docs.yml b/.github/workflows/publish-2.0-docs.yml
index 0c886fb4519..5e298595340 100644
--- a/.github/workflows/publish-2.0-docs.yml
+++ b/.github/workflows/publish-2.0-docs.yml
@@ -60,20 +60,20 @@ jobs:
         env:
           DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
         run: |-
-          sbt -Dpekko.genjavadoc.enabled=true "set ThisBuild / version := \"2.0.0-M3\"; docs/paradox; unidoc"
+          sbt -Dpekko.genjavadoc.enabled=true "set ThisBuild / version := \"2.0.0-M4\"; docs/paradox; unidoc"
 
       # Create directory structure upfront since rsync does not create intermediate directories otherwise
       - name: Create directory structure
         run: |-
-          mkdir -p target/nightly-docs/docs/pekko/2.0.0-M3/
+          mkdir -p target/nightly-docs/docs/pekko/2.0.0-M4/
           mkdir -p target/nightly-docs/docs/pekko/2.0/
-          cp -r docs/target/paradox/site/main/ target/nightly-docs/docs/pekko/2.0.0-M3/docs
+          cp -r docs/target/paradox/site/main/ target/nightly-docs/docs/pekko/2.0.0-M4/docs
           cp -r docs/target/paradox/site/main/ target/nightly-docs/docs/pekko/2.0/docs
           rm -r docs/target/paradox/site/main/
-          cp -r target/scala-2.13/unidoc target/nightly-docs/docs/pekko/2.0.0-M3/api
+          cp -r target/scala-2.13/unidoc target/nightly-docs/docs/pekko/2.0.0-M4/api
           cp -r target/scala-2.13/unidoc target/nightly-docs/docs/pekko/2.0/api
           rm -r target/scala-2.13/unidoc
-          cp -r target/javaunidoc target/nightly-docs/docs/pekko/2.0.0-M3/japi
+          cp -r target/javaunidoc target/nightly-docs/docs/pekko/2.0.0-M4/japi
           cp -r target/javaunidoc target/nightly-docs/docs/pekko/2.0/japi
           rm -r target/javaunidoc
 
@@ -82,7 +82,7 @@ jobs:
         with:
           upload: true
           switches: --archive --compress --update --delete --progress --relative
-          local_path: target/nightly-docs/./docs/pekko/2.0.0-M3 # The intermediate dot is to show `--relative` which paths to operate on
+          local_path: target/nightly-docs/./docs/pekko/2.0.0-M4 # The intermediate dot is to show `--relative` which paths to operate on
           remote_path: ${{ secrets.NIGHTLIES_RSYNC_PATH }}/pekko
           remote_host: ${{ secrets.NIGHTLIES_RSYNC_HOST }}
           remote_port: ${{ secrets.NIGHTLIES_RSYNC_PORT }}
diff --git a/docs/src/main/paradox/release-notes/releases-2.0.md b/docs/src/main/paradox/release-notes/releases-2.0.md
index 2b52c42a297..1c5a939db6a 100644
--- a/docs/src/main/paradox/release-notes/releases-2.0.md
+++ b/docs/src/main/paradox/release-notes/releases-2.0.md
@@ -2,6 +2,18 @@
 
 Apache Pekko 2.0.x releases support Java 17 and above.
 
+## 2.0.0-M4
+
+This is milestone release and is aimed at testing this new major version
+by early adopters. This is experimental. This release should not be used in production.
+
+See the [GitHub Milestone for 2.0.0-M4](https://github.com/apache/pekko/milestone/31?closed=1) for a fuller list of changes.
+
+### Main changes
+
+* Added many Akka changes that have recently become Apache Licensed (up to Akka 2.8.4).
+* Some more deprecated code has been removed but the changes are significantly smaller in this area than in 2.0.0-M1.
+
 ## 2.0.0-M3
 
 This is milestone release and is aimed at testing this new major version