Post-release documentation updates

Author: tomaswolf

CHANGES.md

@@ -8,8 +8,8 @@
 generated by [japicmp](https://siom79.github.io/japicmp) are published at
 [https://apache.github.io/mina-sshd](https://apache.github.io/mina-sshd).
 
-Version 3 includes all the features and bug fixes of [version 2.17.1](./docs/changes/2.17.1.md) and up to
-+[commit a3d22510](https://github.com/apache/mina-sshd/blob/a3d22510/CHANGES.md#planned-for-next-version).
+Version 3 includes all the features and bug fixes of version 2, including the
++[latest ones](https://github.com/apache/mina-sshd/blob/master/CHANGES.md#planned-for-next-version).
 
 * For building Apache MINA SSHD 3.0, **Java >= 24** and Apache **Maven >= 3.9.12** are required. Generated artifacts
   still use Java 8 as minimum runtime requirement.
@@ -27,11 +27,20 @@ newer Java versions the already built-in cryptographic algorithms for ChaCha20,
 
 * [Change notes for 3.0.0-M2](./docs/changes/3.0.0-M2.md)
 
-# Milestone 3: Pre-Release 3.0.0-M3
+## Milestone 3: Pre-Release 3.0.0-M3
 
 This is a minor update to bring the improvements done in 2.17.x into the 3.0.0 stream. Besides that,
-there is only one tiny bug fix from 3.0.0-M2:
+there is only one tiny bug fix from 3.0.0-M2.
+
+* [Change notes for 3.0.0-M3](./docs/changes/3.0.0-M3.md)
+
+# Planned for the Next Milestone Release
 
 ## Bug Fixes
 
-* [GH-852](https://github.com/apache/mina-sshd/issues/852) Fix wrong import
+
+## Major Code Re-factoring
+
+
+## New Features
+

docs/changes/3.0.0-M3.md

@@ -0,0 +1,23 @@
+# Milestone Pre-Release 3.0.0-M3
+
+This milestone release fixes a minor bug in 3.0.0-M3 and brings in all improvements from the 2.X branch.
+
+It includes all the features and bug fixes of [version 2.17.1](./docs/changes/2.17.1.md) and up to
++[commit a3d22510](https://github.com/apache/mina-sshd/blob/a3d22510/CHANGES.md#planned-for-next-version).
+
+* [Change notes for 3.0.0-M2](./3.0.0-M2.md)
+
+* For building Apache MINA SSHD 3.0, **Java >= 24** and Apache **Maven >= 3.9.12** are required. Generated artifacts
+  still use Java 8 as minimum runtime requirement.
+
+## Bug Fixes
+
+* [GH-852](https://github.com/apache/mina-sshd/issues/852) Fix wrong import
+
+## Major Code Re-factoring
+
+* None
+
+## New Features
+
+* None