chore(deps): update dependency google-adk to v2

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
google-adk (changelog)	==1.34.1 → ==2.3.0

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Release Notes

google/adk-python (google-adk)

v2.3.0

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Features

• Add async and concurrency guidelines to ADK Style Guide (66e00db)
• add create_http_options to ContextCacheConfig for cache creation timeout (ffc9677), closes #​4703
• add GCS first party toolset to ADK integrations (fb19e1a)
• Add log_level option for adk run CLI (1ac69a9)
• Add mTLS support in AgentRegistry client (03671c6)
• add request timeout to load_web_page (792775f)
• core: migrate core and CLI to enterprise parameters (68221f0)
• Create GEPARootAgentOptimizer (654145a)
• eval: expose user_simulator_config in generate_responses (e7a673c)
• gemma4: support Gemma4 in Gemini (573f043)
• integrations: Add E2BEnvironment for remote sandbox workspaces (92d608f)
• labs: add experimental Antigravity SDK agent wrapper (4cb27fd)
• lazily initialize the Vertex AI client in GCPSkillRegistry, and fix the import path for vertexai (65dca53)
• live: Handle input transcription differently for Gemini Live 3.1 models (048deea)
• live: support Live API translation config in RunConfig (463040f)
• Migrate McpToolset to AsyncAuthorizedSession for mTLS support (fe497a4)
• plugins: ADK 2.0 minimum producer cut for the BigQuery Agent Analytics plugin (e2676fc)
• report cached token counts for Anthropic and OpenAI models (b15c8a0)
• telemetry: support per-request OpenTelemetry configuration (abcaa08)
• Update gcp_auth client UI to support Remote Agents (57bdecf)
• utils: add GOOGLE_GENAI_USE_ENTERPRISE env var with deprecation fallback (4e85e9c)

Bug Fixes

• a2a: Preserve execution metadata in final events (e90b119)
• a2a: render HITL interrupt when prompt is in a data part (b9e7fca)
• a2a: set final=True for error TaskStatusUpdateEvent in event_converter (5efe53d)
• a2a: suppress part_metadata in Vertex AI mode (065f4ae)
• add a2a as a required dependency for agent_engine deployment (d2ebacb)
• adk: propagate exceptions from run_node in standalone mode (63841c3)
• adk: propagate isolation_scope to prevent history filtering loops (f39d75b)
• agents: await cancelled tasks in _merge_agent_run_pre_3_11 to prevent aclose() RuntimeError (9310ba7)
• api-registry to fetch all services (81b8067), closes #​5478
• artifacts: Support nested API names (b99546b)
• auth: handle missing client-credentials scopes safely (a546bcf), closes #​5345
• avoid UserWarning in _build_response_log when response has funct… (f022307)
• call to sanitize schema for complex union types (9808451)
• ci: add repository check to prevent workflows from running on forks (90bd38f)
• ci: Resolve missing sqlalchemy error in adk_release_analyzer (107dc38)
• cli: Serialize LiteLlm graph models safely (c1e852f)
• conformance: normalize tool declarations in replay verification (dd97e76)
• Default subagents to chat mode in build_node (ad560ce)
• deps: Require otel google-genai instrumentor >=0.7b1 for genai 2.x (2b8c80c)
• eval: handle failed inference results without invocations (9a6cf60)
• eval: handle unevaluated final response v2 results (5cfef01)
• eval: include function-call events in invocation_events when skip_summarization is set (5b16a86)
• eval: preserve custom eval metadata (780b0ab)
• Extract grounding_metadata from Live API server_content (8a294af)
• Fix silent dead end when conditional routes are unmatched (6af4562)
• Fix typing for create_client in mcp_session_manager (c6546a7)
• fix vertex_ai_session_service crashing when Agent Engine passes full resource names instead of short session IDs (60c55ad)
• flows: terminate invocation at tool-level EUC (883ff98)
• Format files to fix pre-commit failures (395848a)
• Format the files (9670ce2)
• gate pr-triage secrets on same-repository pull_request_target (0d20b7c)
• handle missing agent name in readonly context (a890399)
• improve error message when beautifulsoup4/lxml not installed for load_web_page (d9f189c), closes #​4852
• live: history_config rejection on Vertex/Enterprise Live sessions (8f85260)
• live: propagate output token count in live API usage metadata (7e8965d)
• log diagnostics for empty or unparseable rubric auto-rater output (fe56f31), closes #​5732
• make DatabaseSessionService visible in API docs (69ecf07), closes #​4331
• Mock google.auth.default in test_fast_api.py (a7ceb3f)
• models: pass NOT_GIVEN to Anthropic when no system_instruction (3f505d2), closes #​5318
• models: surface error when model returns STOP with empty content (ff95d2f)
• models: surface error when model returns STOP with empty content (423cd28)
• Move google-cloud-parametermanager to optional dependencies (0856093)
• Only send grounding_metadata for 3.1 live at the end of each turn (1f2e59b)
• otel: Handle empty contents in experimental semconv (d611f11)
• planners: allow BuiltInPlanner subclasses to override process_planning_response (f8e9195)
• planners: keep all leading parallel function calls (054da5d)
• plugins: write BigQuery analytics rows when invocation agent is None (bc08f46)
• preserve empty GCS text artifacts (8e2b06d)
• Preserve event details when output is delegated (a5a3f2e)
• preserve function call ids for litellm models (1ad348d), closes #​2621
• prevent compaction from orphaning function responses (71b936b)
• prevent ReDoS in code block extraction (910e1c1)
• propagate model_version and other metadata in streaming responses (342b59d)
• remove developer notes from transfer_to_agent docstring (2a0b4e7)
• remove live event buffering in runner (4340208)
• remove the issue/PR analyze and fix agent workflows (9127feb)
• remove the issue/PR triage and fix agent workflows (66730e9)
• Reset retry attempt counter on successful connection (ca8baf1)
• restore GitHub-only changes dropped during v2 bring-over (cb48d01)
• sessions: Further fixes for DatabaseSessionService (f0ec997)
• sessions: honor zero recent events in database service (d9a672e)
• sessions: Prevent MissingGreenlet after append_event with asyncpg (06959b9)
• Set role='model' for request_input event Content (0c6974c)
• skills: enforce utf-8 encoding when materializing skill files on Windows (0cb4c81)
• skip crewai test on ImportError for pytest 9.1 compatibility (4aaf494)
• Stop interpolating release analyzer workflow inputs into shell commands (5a129a4)
• support non-Latin text in InMemoryMemoryService search (be1425b)
• surface MALFORMED_FUNCTION_CALL so on_model_error can recover (2fffcd9)
• tests: skip bash tool tests on Windows (9371f1b)
• tools: dereference draft-07 definitions in MCP tool schemas (c11ac7d)
• tools: handle missing 'request' key in AgentTool.run_async fallb… (8b09c48)
• update model to gemini-3.5-flash in session_state_agent sample (0aca7bf)
• use correct 'content' key in sandbox code executor input files (6262f94)
• utils: Preserve decorated type for @​experimental and @​working_in_progress (30d1910)
• utils: Preserve decorated type for @​experimental and @​working_in_progress (1ff0158)
• workflow: Preserve explicit single-turn contents (59f7bdf)
• workflow: Prevent replay divergence hang in sequence barrier (d88192c)
• workflow: Prevent Shared InvocationContext branch mutation (5c46937)
• workflow: Prevent silent drain of routed nodes in wait_for_output (ef8a5de)

Performance Improvements

• flows: skip async-rearrange when no function_responses (70b314b)
• test: Speed up unit test suite via parallelism and dedup (4e4bf84)

Code Refactoring

• Add diversion logic based on the auth provider resource name (d4ba521)
• Implement the auth provider using Agent Identity Credentials service (dc6fbd8)
• Move the IamConnectorCredential service depedency to a seperate file (c423fcd)
• otel: Add pure functions for constructing stable and experimental semconv logs (23c0826)
• Remove unused imports across src (b79096a)
• Separate PR analysis from triage for automation (10e5f07)
• telemetry: change agent and tool execution duration metrics from milliseconds to seconds (623c9bd)

Documentation

• add beginner explanation for single agent example (225fafc)
• add PyPI, Python version, downloads, and docs badges to README (04d278a)
• add unit guides for event.py, request_input.py and update adk-unit-guide skill (7d74a0a)
• add unit guides for task mode (f84a5b5)
• Align Python version to 3.10+ and update README badges (d3c21d7)
• clarify context cache min_tokens gating and 4096-token minimum (8c92cde)
• Fix ADK release analyzer session db saving error (991431f)
• fix formatting in multi-agent sample READMEs (fa82929)
• fix triaging agent sample typo (ef395c7)
• openapi: improve docs for session model (7a11b50)
• remove stale -b v2 flag from clone command in CONTRIBUTING.md (2e28e5d)
• skills: fix broken refs in adk-workflow skill (24a1b26)
• update llms.txt and remove build script (c66dc1d)
• Upgrade ADK release analyzer agent to use gemini-3.1-pro-preview model (d72bb7d)

v2.2.0

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Features

• Add --trigger_sources and ADK service options to cli_deploy_agent_engine (ffa057c)
• add AutoTracingPlugin for OpenTelemetry auto-instrumentation (bc3a4fa)
• add RubricBasedMultiTurnTrajectoryEvaluator (cae2337)
• agents: restore 1.x agent config wiring for backward compatibility (44cd116)
• api_server: Abort runs on client drops to avoid leaks (6a53357)
• BigQuery Agent Analytics reliability fixes (a5fa3da)
• distinguish input-required vs auth-required in A2A conversion (9d139ea)
• emit OTel gen_ai.client.* metrics natively (0bb329b)
• forward custom_metadata from run requests into the run config (460cb8c)
• include thoughts and tool calls in compaction summaries (bdb5582)
• interactions: update ADK to support Google GenAI SDK v2.0.0 (da1d8f1)
• models: Support turn_complete_reason in Live responses to capture safety info (9126acb)
• preserve A2A message metadata field in ADK event (d4d955d)
• raise explicit error for unsupported LiteLlm file attachments (8847f23), closes #​5546
• sessions: add get_user_state(app_name, user_id) to BaseSessionService (d029bce)
• skills: Add adk-issue skill to analyze and triage GitHub issues (be03166)
• skills: Add adk-review skill for rigorous change quality control (cc6f78c)
• skills: Automate PR triage and CLA verification (ce9011c)
• skills: Enforce PR assignment gates and stream metadata via stdout (4006fe4)
• Support additional scopes and custom discovery doc in Google API Tools (dc6e293)
• tools: expose httpx_client_factory on RestApiTool and OpenAPIToolset (7eb9b3d)
• tools: Standardize request_input tool for proactive LLM clarification (afb0a64)

Bug Fixes

• a2a: Support to_a2a(Workflow) and reject non-agent root nodes (0478b02)
• accept Azure assistant file ids (b73679e), closes #​5664
• add artifacts in each agent's .adk folder (bae5b1a)
• add future annotations import and prefix task models logger (2874874)
• add missing crop helper to data file helper lib (b5181cf), closes #​4011
• add PEP 604 union syntax in function tool parameters (551445e)
• add telemetry metric assertions to the test's own agent (b7766ce)
• agents: Improve git hygiene in adk-pr-triage skill (62bcdd3)
• agents: restore abc.ABC base for BaseAgent and LlmAgent (020386a)
• allow internal builder assistant app name (f6e26cc)
• append trailing newline to runtime-config.json in ADK Web Server (4baccf6)
• auth: omit scope from OAuth2 token requests (6ce4b87)
• block path traversal in Agent Builder file tools (1fa7cda)
• dependencies: clarify missing Vertex AI extra (fde6a2b)
• deps: bump starlette and fastapi to address CVE-2026-48710 (81add39)
• eval: Support include_intermediate_responses_in_final in final_response_match_v2 (8519602), closes #​5695
• Event.message honors subclass field (5bebfd4)
• exclude temp: state keys from Firestore session writes (a5db346)
• Fix path traversal in GCS skill extraction (Zip Slip) (2f15c6c)
• flows: preserve transparent config on live session reconnect (5ad1942), closes #​5675
• Format the files to fix pre-commit failures (af8bfe0)
• guard peer agent mode access in agent transfer (bb16958), closes #​5863
• live: Resolve 1007 error and support Gemini 3.1 Flash Live protocol (e5af12c)
• mcp: Prevent initialization hangs and task group leaks (334ef81), closes #​5886
• migration: restrict unpickling of v0 actions blobs (9db48ce)
• models: Prevent grounding metadata loss in Gemini 3.1 (e896c62)
• parse noncanonical litellm tool call arguments (31cc5a1)
• populate user_content in resumed invocations (660bbd4)
• preserve media blocks in ollama content flattening (47ceeba), closes #​4975
• runners: fall back to root agent when a resumed call author is not in the tree (a86efa6)
• runners: Preserve state_delta in NodeRunner path (c56bec8)
• sessions: guard None event.actions before reading state_delta (03ef3f6)
• streaming: Ensure final partial=False frame is always yielded (cd81f7b), closes #​3754
• Support generalized history config injection for Gemini 3.1 Live on Vertex AI (61a3933)
• terminate infinite retry loop in LoadSkillResourceTool on RESOURCE_NOT_FOUND (bc45ee6)
• tolerate context-likes without user_content or session in record_agent_invocation (0775da5)
• tools: add skill script dir to sys.path (9296198)
• tools: don't close parent's plugins from AgentTool's sub-Runner (2a68c4e)
• tools: Prevent broken skill tool references when prefix is set and support tool_filter (4366cca)
• tools: Shell escape path and range in ReadFileTool command (e16629b)
• validate session_id and enforce ownership in delete_session (b2916c7)
• workflow: Prevent incorrect chat agent wiring in graphs (d7aa7b5), closes #​5868
• workflow: Resolve raw Content output crash on rehydration (4f992b0)

Performance Improvements

• flows: Resolve agent tool unions in parallel (ae95a97)

Code Refactoring

• agents: default model to gemini-3-flash-preview (ad8b6c7)
• skills: Split adk-issue skill to separate issue analysis from implementation (51b18eb)
• tests: Consolidate event tests into test_event.py (77aeadf)
• tools: Split environment tools into single-class _tool files (1cc298e)
• update tool and agent retrieval functions to support asynchronous execution (e623b3b)

Documentation

• agents: Add issue closing support to PR triage skill (2748c1b)
• skills: Add rule to specify GitHub issues in commit messages (8f2c1e3)
• skills: Use default model in sample agent templates (2d465aa)

v2.1.0

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Features

• Add chart generation and artifact loading to data agent (db06416)
• Add support for creating sandboxes from templates and snapshots (cbd14eb)
• Add user.id to gen_ai.user.message log records for telemetry (eb379be)
• Fix error message telemetry for tool calls (e56c021)
• Preserve transcription event order in conversation trajectory (b3d0759)

Bug Fixes

• ci: Add python-dateutil dependency to stale-bot workflow (84fa984)
• ci: Prevent workflow failures in relocated adk_team samples (55cbc8c)
• ci: Use absolute path for PYTHONPATH in upload docs workflow (85223e6)
• cli: Fix --reload_agents for web (1307f8e)
• cli: Inform user to install optional dependency on missing google.cloud (57d677c)
• convert Union[Pydantic, Pydantic] tool args at runtime (104edc8), closes #​5799
• Fix bug where grounding metadata in Gemini 3.1 live was being silently discarded (b9751eb)
• fix input and output transcription finished events for Gemini v3.1 (d17a2a3)
• lazy-import GCS evaluation managers in evals utility (5f91a9d)
• Make google-cloud-storage import lazy in skill utils (416775d)
• resolve circular import caused by llm_request (7e38fc8)
• Resolve circular import in base_tool (92cf192)
• tests: Append trailing newline to JSON test outputs (3329ced)
• tools: Prevent session drop on MCP tool error (933653c)
• update EditFileTool to handle cross-platform line breaks and escape regex characters (1f24553)

v2.0.0

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ADK 2.0 General Availability

This release introduces v2.0.0 General Availability (GA) of the Google Agent Development Kit (ADK), establishing production-grade foundations for multi-agent workflows and advanced dynamic agent collaboration.

Core Architecture Highlights

Multi-Agent Workflow Engine

• Flexible Execution Graphs: Establishes a model-agnostic engine for orchestrating non-linear, conditional, and cyclical agent execution patterns.
• Intelligent Task Delegation: Introduces modular workflow abstractions enabling parallel sub-agent workers, nested hierarchical team structures, and resilient dynamic scheduling across complex task execution steps.

Dynamic Agent Collaboration

• Native Inter-Agent Routing: Provides seamless orchestration for inter-agent messaging, control state handoffs, and context variable propagation across collaborative multi-agent flows.

v1.35.2: Release 1.35.2

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Bug Fixes

• remove live event buffering in runner (#​6151) (afe4083)

v1.35.1: Release 1.35.1

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Bug Fixes

• Only send grounding_metadata for 3.1 live at the end of each turn (#​6129) (847a259)
• streaming: Ensure final partial=False frame is always yielded (#​6096) (6e59c61)

v1.35.0: Release 1.35.0

Features

• live: Handle input transcription differently for Gemini Live 3.1 models (#​6045) (ecfdaf5)

Bug Fixes

• add missing Gemini imports in base_llm_flow (#​5943) (6d027b4)
• flows: Reset reconnect attempts on connection success (#​6042) (87abf23)
• models: Default grounding metadata for Gemini 3.1 live (#​6018) (fafafb3)
• Support generalized history config injection for Gemini 3.1 Live on Vertex AI (#​5999) (aafd97f)

v1.34.2: Release 1.34.2

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Bug Fixes

• Fix bug where grounding metadata in Gemini 3.1 live was being silently discarded (9b6b9e9)
• fix input and output transcription finished events for Gemini v3.1 (13763d7)
• tools: Prevent session drop on MCP tool error (1fd406b)

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