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)

2.9.0-rc0 (2026-06-16)

Major updates

• The interactions implementation has been completely replaced. The public api surface should be unchanged. (d830f16)

Features

• Add ServiceTier to UsageMetadata (45b4963)
• Expose Computer Use API fields (420b5a7)
• Gemma 4 local tokenizer support (ca97c58)
• interaction-api: Add presence_penalty, frequency_penalty, and cached_content to models.proto (05f16fe)
• interaction-api: Rename usage to total_usage in StreamMetadata. (7c331c6)

Bug Fixes

• Add fallback for aiohttp.readline without max_line_length for backward compatibility because we still want to keep aiohttp as optional dependency (e99ab99), closes #2487
• Fix header (f8f9749)
• Keep live music API keys out of websocket urls (#2564) (c754ebf)
• Make transformers an optional dependency for local tokenizers, also add other dependencies to local-tokenizer-extras. (528926b)
• Use .model_copy() instead of deprecated .copy() (216369f)

Documentation

• Announce Automatic Function Calling (AFC) upcoming breaking change warning (4697258)
• Clarify Live API START/END_SENSITIVITY_HIGH/LOW defaults are different in Gemini Live and Gemini Enterprise Agent Platform Live API (a0ec6ab), closes #2555
• Regenerate docs for 2.8.0 (93e7ab1)

2.8.0 (2026-06-03)

Features

• Add Agent Platform MCP support to async generate_content (e3be9af)
• Add transcription language code. (53ea3f6)
• Add TranslationConfig for live translation. (4775314)
• Support ReinforcementTuning in GenAI SDK including ValidateReward API method. (e0854a6)

Bug Fixes

• Include all fields of a single tool (7b1d498)

Documentation

• A comment for field enable_widget in message GoogleMaps is changed (74d81dd)
• A comment for field google_maps_widget_context_token in message GroundingMetadata is changed (74d81dd)
• Remove codegen_instructions.md for simpler maintenance, Gemini API Skills should be the single source of truth (bfa2a49)
• Update README.md for model/SDK Changes and direct to Gemini API Skills (47c1a13)
• Update the docs for 2.7 (bbef98e)

2.7.0 (2026-05-27)

Features

• Additional computer_use field support for vertex. (b4828fa)
• interaction-api: Allow "text/csv" as a supported document mime type for Interaction API. (543137b)
• interaction-api: Enable BigQuery tool in Deep Research config. (5dc17e5)
• Support Reinforcement Tuning in GenAI SDK (0ead888)

2.6.0 (2026-05-21)

Features

• Add enable_prompt_injection_detection for Computer Use feature for the Gemini API. (b1f632d)
• Add budget_exceeded status (15443c0)
• Add gemini-3.5-flash (15443c0)
• Add new fields (2910346)

Documentation

• Replace vertexai with enterprise in Client instantiation (c1c6df7)

2.5.0 (2026-05-20)

Features

• Add Gemini 3.5 Flash model to options (706fd02)

2.4.0 (2026-05-17)

Features

• Support Agent and Environment APIs. (ef20d6b)

Bug Fixes

• Output_text for turns that don't end with text. (2afdeff)
• Pass max_line_length to readline() to prevent LineTooLong on large SSE lines with MTLS. (0e8f7bb)

2.3.0 (2026-05-15)

Features

• Add content union to UserInputStep (a5059a8)
• Interaction.{output_text,output_image,output_audio,output_video} (975d16a)
• Migrate Agent Engines, Evaluation, Prompt Management, and Skill features to agentplatform (abb1099)

Documentation

• Refresh generated docs for 2.2 (2ce0298)

2.2.0 (2026-05-12)

Features

• Added missing FunctionCallResultDelta type and arguments field to the ArgumentDelta type (b0131f8)

2.1.0 (2026-05-12)

Features

• Add gemini-3.1-flash-lite to model options (2d5e0fa)
• Add parameters to video response_format. (4e9d68d)
• Introduce Server Side tools deltas (97d6fe5)
• Support Blocking FunctionCall in Live API in AgentPlatform (Vertex) (955bca6)
• Add support for Vertex-lyria models lyria-3-pro-preview & lyria-3-clip-preview (1bc0536)

Bug Fixes

• Steps is not optional (9ea9633)