Create 2.528.2 changelog upgrade guide (#8510)

* Add version 2.528.2 to changelog

Add new entry for version 2.528.2 with no changes.

* Add upgrade notes for version 2.528.2

Ad upgrade guide for 2.528.2

* Fix formatting for version 2.528.2 in lts.yml

* Update lts.yml

Add entries for Docker image updates

* Add references for JDK release notes

* Update entry message

* Apply suggestions from code review

Co-authored-by: Hervé Le Meur <[email protected]>

---------

Co-authored-by: Hervé Le Meur <[email protected]>

Author: kmartens27

content/_data/changelogs/lts.yml

@@ -13790,6 +13790,54 @@
     message: |-
       Avoid queue items being lost if the node disconnects at a bad time during allocation.
 
+- version: '2.528.2'
+  date: 2025-11-12
+  changes:
+  - type: rfe
+    category: rfe
+    authors:
+      - lemeurherve
+    pr_title: "fix: take in account Jenkins versioning format in versionLT and Compare-VersionLessThan"
+    references:
+      - url: https://github.com/jenkinsci/docker/pull/2099
+        title: Docker pull request 2099
+    message: |-
+      Update <code>versionLT</code> and <code>Compare-VersionLessThan</code> to account for Jenkins versioning formatting in `jenkins-support` scripts.
+  - type: rfe
+    category: rfe
+    authors:
+      - github-actions
+    pr_title: "Bump JDK21 version to 21.0.9+10"
+    references:
+      - url: https://github.com/jenkinsci/docker/pull/2109
+        title: Docker pull request 2109
+      - url: https://adoptium.net/en-GB/temurin/release-notes?version=21
+        title: Temuring JDK21 release notes
+    message: |-
+      Update JDK21 from <code>21.0.8+9</code> to <code>21.0.9+10</code>.
+  - type: rfe
+    category: rfe
+    authors:
+      - github-actions
+    pr_title: "Bump JDK17 version to 17.0.17+10"
+    references:
+      - url: https://github.com/jenkinsci/docker/pull/2110
+        title: Docker pull request 2110
+      - url: https://adoptium.net/en-GB/temurin/release-notes?version=17
+        title: Temurin JDK17 release notes
+    message: |-
+      Update JDK17 from <code>17.0.16+8</code> to <code>17.0.17+10</code>.
+  - type: rfe
+    category: rfe
+    authors:
+      - github-actions
+    pr_title: "Bump Debian Trixie version to 20251103"
+    references:
+      - url: https://github.com/jenkinsci/docker/pull/2108
+        title: Docker pull request 2108
+    message: |-
+      Update Debian Trixie base image version from <code>20251020</code> to <code>20251103</code>.
+
 # DO NOT EDIT THIS FILE DIRECTLY
 # ALL CHANGES MUST GO THROUGH PULL REQUESTS
 # MALFORMED FILE CONTENTS WILL BREAK THE SITE BUILD

content/_data/upgrades/2-528-2.adoc

@@ -0,0 +1 @@
+No notable changes requiring upgrade notes.