AudioTranscriptionConfig added; Imagen legacy methods deprecated

2.14.0 (2026-07-28)

Features

• [GenerateContentConfig] Add GenerationConfig.audio_transcription_config and Part.audio_transcription. (4b2e67a)
• Add flat language_codes field to AudioTranscriptionConfig. (cc808eb)
• Allow api key + proj/location for enterprise mode (9c0540a)

Bug Fixes

• add deprecation warnings to Imagen generate_images, edit_images, generate_videos (if using prompt/text/image args), LiveConnectConfig.GenerationConfig which will be removed in the next major version (bb66101)