Emulator 1.0.0 release note (#1106)

* emulator 1.0.0

* update

* update

Author: zhiyuanliang-ms

releaseNotes/AppConfigurationEmulator.md

@@ -2,6 +2,26 @@
 
 [Image][image] | [Source code][source_code] | [Samples][samples]
 
+## 1.0.0 - October 29, 2025
+
+Initial stable release of the Azure App Configuration emulator.
+
+### Enhancements
+
+This release builds upon 1.0.0-preview and includes the following enhancements:
+
+* Added support for the following API versions:
+  * `1.0`
+  * `2023-10-01`
+  * `2023-11-01`
+  * `2024-09-01`
+* Added support for volume mount of the storage folder, letting containers persist configuration with a lightweight host volume. [#53](https://github.com/Azure/AppConfiguration-Emulator/pull/53)
+
+### Bug fixes
+
+* Fixed a bug where missing sync-token headers caused client SDKs to crash with null pointer panic. [#46](https://github.com/Azure/AppConfiguration-Emulator/pull/46) ([#43](https://github.com/Azure/AppConfiguration-Emulator/issues/43))
+
+
 ## 1.0.0-preview - July 31, 2025
 
 Initial preview release of the Azure App Configuration emulator.