New custom speech adaptations per locale

Author: eric-urban

articles/cognitive-services/Speech-Service/includes/release-notes/release-notes-stt.md

@@ -2,10 +2,18 @@
 author: eric-urban
 ms.service: cognitive-services
 ms.topic: include
-ms.date: 12/08/2022
+ms.date: 01/09/2023
 ms.author: eur
 ---
 
+### January 2023 release
+
+#### Custom Speech
+
+Support for audio + human-labeled transcript is added for additional locales: `ar-BH`, `ar-DZ`, `ar-EG`, `ar-MA`, `ar-SA`, `ar-TN`, `ar-YE`, and `ja-JP`.
+
+Support for structured text adaptation is added for locale `de-AT`.
+
 ### December 2022 release
 
 #### Speech-to-text REST API