Update Azure Guest OS releases and compatibility matrix

Updated author information and release dates in the Azure Guest OS update matrix. Added new release entries for October 2025 and removed deprecated entries.

Author: aschoksh

articles/cloud-services-extended-support/cloud-services-guestos-update-matrix.md

@@ -3,13 +3,13 @@ title: Learn about the latest Azure Guest OS Releases | Microsoft Docs
 description: The latest release news and SDK compatibility for Azure Cloud Services Guest OS.
 services: cloud-services
 ms.subservice: guest-os-patching
-author: jejackson
+author: aschoksh
 ms.assetid: 6306cafe-1153-44c7-8554-623b03d59a34
 ms.service: azure-cloud-services-classic
 ms.topic: concept-article
-ms.date: 09/08/2025
+ms.date: 10/06/2025
 ms.update-cycle: 3650-days
-ms.author: acastoldi
+ms.author: aschoksh
 ms.custom: compute-evergreen
 # Customer intent: As a cloud services administrator, I want to stay updated on the latest Guest OS releases and their compatibility, so that I can plan timely upgrades and ensure my applications remain secure and functional before any deprecation deadlines.
 ---
@@ -40,6 +40,9 @@ Unsure about how to update your Guest OS? Check [this][cloud updates] out.
 
 ## News updates
 
+###### **October 6, 2025**
+The September 2025 Guest OS released.
+
 ###### **September 6, 2025**
 The August 2025 Guest OS released.
 
@@ -301,9 +304,10 @@ The September Guest OS released.
 
 | Configuration string | Release date | Disable date |
 | --- | --- | --- |
+|  WA-GUEST-OS-7.56_202509-01 |  October 6, 2025  |  Post 7.59  |
 |  WA-GUEST-OS-7.55_202508-01 |  September 6, 2025  |  Post 7.58  |
 |  WA-GUEST-OS-7.54_202507-01 |  July 30, 2025  |  Post 7.57  |
-|  WA-GUEST-OS-7.53_202506-01 |  July 6, 2025  |  Post 7.56  |
+|~~WA-GUEST-OS-7.53_202506-01~~|  July 6, 2025  |  Post 7.56  |
 |~~WA-GUEST-OS-7.52_202505-01~~|  June 4, 2025  |  Post 7.55  |
 |~~WA-GUEST-OS-7.51_202504-01~~|  May 1, 2025  |  July 30, 2025  |
 |~~WA-GUEST-OS-7.50_202503-01~~|  March 28, 2025  |  July 6, 2025  |
@@ -361,9 +365,10 @@ The September Guest OS released.
 
 | Configuration string | Release date | Disable date |
 | --- | --- | --- |
+|  WA-GUEST-OS-6.86_202509-01 |  October 6, 2025  |  Post 6.89  |
 |  WA-GUEST-OS-6.85_202508-01 |  September 6, 2025  |  Post 6.88  |
 |  WA-GUEST-OS-6.84_202507-01 |  July 30, 2025  |  Post 6.87  |
-|  WA-GUEST-OS-6.83_202506-01 |  July 6, 2025  |  Post 6.86  |
+|~~WA-GUEST-OS-6.83_202506-01~~|  July 6, 2025  |  Post 6.86  |
 |~~WA-GUEST-OS-6.82_202505-01~~|  June 4, 2025  |  Post 6.85  |
 |~~WA-GUEST-OS-6.81_202504-01~~|  May 1, 2025  |  July 30, 2025  |
 |~~WA-GUEST-OS-6.80_202503-01~~|  March 28, 2025  |  July 6, 2025  |
@@ -455,10 +460,11 @@ The September Guest OS released.
 
 | Configuration string | Release date | Disable date |
 | --- | --- | --- |
-|  WA-GUEST-OS-5.109_202508-01 |  September 6, 2025  |  Post 5.111  |
-|  WA-GUEST-OS-5.108_202507-01 |  July 30, 2025  |  Post 5.110  |
-|  WA-GUEST-OS-5.107_202506-01 |  July 6, 2025  |  Post 5.109  |
-|~~WA-GUEST-OS-5.106_202505-01~~|  June 4, 2025  |  Post 5.108  |
+|  WA-GUEST-OS-5.110_202509-01 |  October 6, 2025  |  Post 5.113  |
+|  WA-GUEST-OS-5.109_202508-01 |  September 6, 2025  |  Post 5.112  |
+|  WA-GUEST-OS-5.108_202507-01 |  July 30, 2025  |  Post 5.111  |
+|~~WA-GUEST-OS-5.107_202506-01~~|  July 6, 2025  |  Post 5.110  |
+|~~WA-GUEST-OS-5.106_202505-01~~|  June 4, 2025  |  Post 5.109  |
 |~~WA-GUEST-OS-5.105_202504-01~~|  May 1, 2025  |  July 30, 2025  |
 |~~WA-GUEST-OS-5.104_202503-01~~|  March 28, 2025  |  July 6, 2025  |
 |~~WA-GUEST-OS-5.103_202502-01~~|  February 26, 2025  |  June 4, 2025  |