Google GenAI SDK Python v2.9.0-rc1

2.9.0-rc1 (2026-06-17)

Features

• Add audioOffset to VoiceActivity (fb785e4)
• Add gemini-3-flash-preview (gemini-3.1, gemini-3.5, gemini-4 are already mapped) to the local tokenizer map. (749f8a1), closes #1972
• Add interimInputTranscription to LiveServerContent (fb785e4)
• Add LanguageAuto, LanguageHints, and adaptationPhrases to AudioTranscriptionConfig (fb785e4)
• Broaden publisher model path check to support all publishers (5d282e6)

Miscellaneous Chores

• Release 2.9.0-rc1 (b95f2a8)