Set release date for text translator 2.0.0-beta.1 (#47664)

Co-authored-by: Jiarui Guo <[email protected]>

Author: jrjrguo

sdk/translation/azure-ai-translation-text/CHANGELOG.md

@@ -1,10 +1,10 @@
 # Release History
 
-## 2.0.0-beta.1 (Unreleased)
+## 2.0.0-beta.1 (2026-01-08)
 
 ### Features Added
 
-- Added support for the latest Azure AI Translator API, including translations using LLM models, adaptive custom translation, tone variant translations, and gender-specific translations.
+- Added support for the Azure AI Translator API 2025-10-01-preview, including translations using LLM models, adaptive custom translation, tone variant translations, and gender-specific translations.
 - Added `TranslationTarget` class for configuring translation options.
 
 ### Breaking Changes
@@ -15,10 +15,6 @@
 - Removed `SourceText` and `Transliteration` properties in translation responses.
 - Dictionary, sentence boundaries and text alignments features have been deprecated and relevant classes and properties have been removed.
 
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.1.7 (2025-10-27)
 
 ### Other Changes

sdk/translation/azure-ai-translation-text/README.md

@@ -82,7 +82,7 @@ For asynchronous operations use `TextTranslationAsyncClient`.
 
 ### Input
 
-A **text element** (`InputTextItem`), is a single unit of input to be processed by the translation models in the Translator service. Operations on `TextTranslationClient` may take a single text element or a collection of text elements.
+A **TranslateInputItem** is a single unit of input to be processed by the translation models in the Translator service. Each `TranslateInputItem` defines both the input string to translate and the output specifications for the translation.
 For text element length limits, maximum requests size, and supported text encoding see [here][translator_limits].
 
 ## Examples