1 Release published by 1 person

• v.1.9.0 v1.9.0

  published Jul 31, 2025

35 Pull requests merged by 1 person

• test: Fixes adk cli options and method parameters mismatching and adds a unit test for future proof checking

  #2339 merged Aug 5, 2025

• fix: correct type annotation

  #2311 merged Aug 5, 2025

• chore: update the prompt to make the ADK Answering Agent more objective

  #2331 merged Aug 4, 2025

• chore: make LlmRequest.LiveConnectConfig field default to a factory to avoid sharing a mutable instance

  #2332 merged Aug 4, 2025

• fix(cli): Fixes adk deploy cloud_run cli

  #2330 merged Aug 4, 2025

• chore: Add sample agent for testing parallel functions execution

  #2307 merged Aug 2, 2025

• feat: Support parallel execution of parallel function calls

  #2303 merged Aug 2, 2025

• feat: Allow max tokens to be customizable in Claude

  #2304 merged Aug 1, 2025

• feat(config): Adds BaseAgent.config_type field to indicate the config for the current agent and removes if-else branches against LlmAgent/LoopAgent/... in config_agent_utils::from_config

  #2187 merged Aug 1, 2025

• fix: Annotate response type as None for transfer_to_agent tool and set empty Schema as response schema when tool has no response annotation

  #2203 merged Aug 1, 2025

• fix: incompatible a2a sdk changes

  #2287 merged Aug 1, 2025

• chore: Hide the ask_data_insights tool until the API is publicly available

  #2280 merged Aug 1, 2025

• chore: change LlmRequest.config's default value to be types.GenerateContentConfig() instead of None

  #2266 merged Aug 1, 2025

• docs: fix typos

  #2275 merged Aug 1, 2025

• feat(config): add GenerateContentConfig to LlmAgentConfig

  #2264 merged Aug 1, 2025

• chore: prevent triggering of _load_from_yaml_config in AgentLoader

  #2285 merged Jul 31, 2025

• chore: Bump version and update CHANGELOG for v1.9.0

  #2262 merged Jul 31, 2025

• fix: Re-adding eval related changes

  #2269 merged Jul 31, 2025

• chore: Remove unnecessary flags

  #2271 merged Jul 31, 2025

• fix: Return session state in list_session API endpoint

  #2267 merged Jul 31, 2025

• chore: replace module import for BaseAgent in local_eval_service

  #2268 merged Jul 31, 2025

• chore: Move create_session log to where the session is actually created

  #2265 merged Jul 30, 2025

• fix: keep existing header values while merging tracking headers for llm_request.config.http_options in Gemini.generate_content_async

  #2224 merged Jul 30, 2025

• fix: use pull_request_target event as the trigger of PR triaging agent

  #2244 merged Jul 30, 2025

• feat: add chat first-party tool

  #1961 merged Jul 30, 2025

• chore: remove redundant definition for adk deploy gke command

  #2245 merged Jul 30, 2025

• chore: Replace selcukg with genquan

  #2243 merged Jul 29, 2025

• feat(config): add --type flag to adk create to allow starting with config

  #2222 merged Jul 29, 2025

• chore: Fix the long running test cases

  #2239 merged Jul 29, 2025

• fix: merge tracking headers even when llm_request.config.http_options is not set in Gemini.generate_content_async

  #2190 merged Jul 29, 2025

• chore: add Github workflow config for the ADK PR triaging agent

  #2159 merged Jul 29, 2025

• fix: runner was expecting Event object instead of Content object when using early exist feature

  #2241 merged Jul 29, 2025

• chore: create an initial prototype agent to triage pull requests

  #2140 merged Jul 29, 2025

• fix: import cli's artifact dependencies directly

  #2240 merged Jul 29, 2025

• fix: Copy the original function call args before passing it to callback or tools to avoid being modified

  #2229 merged Jul 29, 2025

32 Pull requests opened by 16 people

• feat(config): implement from_config() in VertexAiSearchTool

  #2247 opened Jul 30, 2025

• docs: fix import statement in sample code

  #2248 opened Jul 30, 2025

• feat: more generic url

  #2251 opened Jul 30, 2025

• feat: Add fallback_to_parent functionality to LlmAgent

  #2253 opened Jul 30, 2025

• fix: dev ui url works in sub-apps

  #2254 opened Jul 30, 2025

• Fix - export HttpAuth modules

  #2258 opened Jul 30, 2025

• feat(mcp): add auto_initialize parameter to StreamableHTTPConnectionParams

  #2259 opened Jul 30, 2025

• fix: creates an InMemoryMemoryService within the EvaluationGenerator

  #2263 opened Jul 30, 2025

• fix: fix Live Session Resumption

  #2270 opened Jul 31, 2025

• feat: test

  #2282 opened Jul 31, 2025

• doc: updates CONTRIBUTING.md

  #2286 opened Jul 31, 2025

• chore: Add docstring to clarify the behavior of preload memory tool

  #2288 opened Aug 1, 2025

• fix: function is not found in the tools_dict

  #2289 opened Aug 1, 2025

• chore: replace module imports for vertexai, rouge_score and tabulate in ADK eval packages

  #2294 opened Aug 1, 2025

• feat: Refactor live SequentialAgent worklow and live event handling for reliability and cleaner session history

  #2295 opened Aug 1, 2025

• fix: Improve error message for missing optional import issue when using adk retrieval tools

  #2301 opened Aug 1, 2025

• feat(tools): create enterprise_web_search_tool as a tool instance

  #2306 opened Aug 1, 2025

• refactor: make descriptions for various write modes for `execute-sql` tool self contained

  #2308 opened Aug 2, 2025

• fix(llm_flows): resolve issue where adk is unavailable when tool is not present

  #2310 opened Aug 2, 2025

• chore: Fallback to import package `a2a_sdk` when `a2a` is not available

  #2314 opened Aug 3, 2025

• feat: Allow sending state without message in agent run

  #2315 opened Aug 3, 2025

• fix: Remove thoughts from contents in llm requests

  #2320 opened Aug 4, 2025

• feat: Adds telemetry and fixes usage metadata for live mode

  #2325 opened Aug 4, 2025

• Fix typo: by--save_session option in `adk run --resume` help

  #2326 opened Aug 4, 2025

• Fix: typo in adk run --replay help text

  #2327 opened Aug 4, 2025

• feat: Add custom_metadata attribute to ADK BaseTool

  #2333 opened Aug 4, 2025

• fix: shared default plugin manager and cost manager instances among multiple invocations

  #2334 opened Aug 4, 2025

• feat: add Bigtable first-party tools

  #2338 opened Aug 4, 2025

• feat(lite_llm): add `text/plain` file support

  #2340 opened Aug 5, 2025

• feat: No-op

  #2341 opened Aug 5, 2025

• chore: Update create_session to use pydantic object

  #2342 opened Aug 5, 2025

• fix: import dependencies for retrieval tools

  #2343 opened Aug 5, 2025

33 Issues closed by 16 people

• leak problem

  #2068 closed Aug 5, 2025

• get_fast_api_app helper - not working with ADK 1.8 version

  #2272 closed Aug 4, 2025

• "error": "[WIP] _load_from_yaml_config: _load_from_yaml_config is not ready for use."

  #2322 closed Aug 4, 2025

• RemoteA2aAgent Pydantic validation error - BUG

  #2329 closed Aug 4, 2025

• Do SubAgents inherit past events of Parent Agent?

  #2324 closed Aug 4, 2025

• Deploy failed: expected str, bytes or os.PathLike object, not NoneType

  #2328 closed Aug 4, 2025

• Exclude model's "thought" responses from the contents of subsequent model calls

  #843 closed Aug 4, 2025

• The last_update_time provided in the session object '2025-07-01 18:59:42' is earlier than the update_time in the storage_session '2025-07-01 18:59:56'. Please check if it is a stale session

  #1733 closed Aug 4, 2025

• Inflexible fastapi app.

  #2250 closed Aug 3, 2025

• Add a way to send files when root_agent is deployed to Google's cloud "Agent Engine"

  #1203 closed Aug 3, 2025

• When the model responds with a non-existent tool, the session becomes completely unusable.

  #2309 closed Aug 2, 2025

• _load_from_yaml_config Error When Running Multi-Agent Setup in google-adk 1.9.0

  #2305 closed Aug 1, 2025

• Running into 500 error constantly

  #1034 closed Aug 1, 2025

• An internal error has occurred. Please retry or report in https://developers.generativeai.google/guide/troubleshooting'

  #1691 closed Aug 1, 2025

• Add Built-in Retry Mechanism for API Errors (e.g., 429 Too Many Requests) in LLM Agent

  #1214 closed Aug 1, 2025

• Allow configuration of client-side timeout to prevent 499 CANCELLED

  #475 closed Aug 1, 2025

• Retry when agent fails

  #503 closed Aug 1, 2025

• {"error": "[WIP] _load_from_yaml_config: _load_from_yaml_config is not ready for use."}

  #2233 closed Aug 1, 2025

• FunctionResponse event contents are given role="user"

  #2284 closed Jul 31, 2025

• audio blobs being saved into events as base64

  #2172 closed Jul 31, 2025

• consitency: cli-flags

  #1118 closed Jul 31, 2025

• Feature Request: Return session state in List Sessions API in `adk api_server`

  #781 closed Jul 31, 2025

• Missing state from the list sessions and AttributeError: 'InMemorySessionService' object has no attribute 'database_session_factory'

  #2193 closed Jul 31, 2025

• Add `session_db_kwargs` to FastAPI App

  #1287 closed Jul 30, 2025

• Upgrade Cloud Run ADK to 1.6

  #2260 closed Jul 30, 2025

• VertexAiSessionService when creating session with ID, returns error when trying to create a new session

  #2166 closed Jul 30, 2025

• ContextVar Token Error with exit_loop Tool

  #949 closed Jul 30, 2025

• adk web / adk run Fails with RuntimeError: [WIP] _load_from_yaml_config on Workstation (Python 3.12)

  #2255 closed Jul 30, 2025

• context not remember when agent deployed to Agent Engine.

  #1832 closed Jul 30, 2025

• [Bug] Unable to acquire impersonated credentials

  #2001 closed Jul 30, 2025

• MCP Session Fails with BrokenResourceError (Reproducible in tutorial repo)

  #2205 closed Jul 29, 2025

• `agent_card_builder` doesn't use correct grammar

  #2223 closed Jul 29, 2025

• Allow users to define GOOGLE_CLOUD_PROJECT, GOOGLE_CLOUD_LOCATION, GOOGLE_GENAI_USE_VERTEXAI in code

  #1417 closed Jul 29, 2025

25 Issues opened by 21 people

• AttributeError: module 'httpx_aiohttp' has no attribute 'HttpxAiohttpClient'

  #2335 opened Aug 4, 2025

• Live Mode is missing usage_metadata and telemetry tracing

  #2323 opened Aug 4, 2025

• Incompatibility between google-adk (≥ 1.8) and Colab due to conflicting requests version requirement

  #2319 opened Aug 3, 2025

• Circular import error in google-adk 1.9.0 - runners.py imports itself

  #2318 opened Aug 3, 2025

• Support engaging pre-/during-/post messaging for Tool calls [Primarily for Voice Agents (Live API) ]

  #2317 opened Aug 3, 2025

• Mid-session runner config changes (language + audio)

  #2316 opened Aug 3, 2025

• v1.9.0 released

  #2313 opened Aug 2, 2025

• ModuleNotFoundError: No module named 'llama_index'

  #2299 opened Aug 1, 2025

• Agent Engine Deployment with GCSArtifact via custom adk_app.py not working as expected

  #2298 opened Aug 1, 2025

• MCPToolset Support MCP Sampling

  #2296 opened Aug 1, 2025

• adk web : response_evaluator: cannot import name 'types' from 'vertexai'

  #2293 opened Aug 1, 2025

• Plots cannot be displayed on Dev UI (adk web) by using BuiltInCodeExecutor()

  #2283 opened Jul 31, 2025

• ( A2A )Missing key inputs argument! To use the Google AI API, provide (api_key) arguments. To use the Google Cloud API, provide (vertexai, project & location) arguments.

  #2281 opened Jul 31, 2025

• Set `user` when deploying a webUI

  #2279 opened Jul 31, 2025

• Production-ready UI

  #2278 opened Jul 31, 2025

• When agent calls MCP tools, predefined additional content can be sent to the MCP server

  #2276 opened Jul 31, 2025

• Standardize Deployment Methodology

  #2274 opened Jul 31, 2025

• Streaming Conversation History Fragmentation Issue

  #2273 opened Jul 31, 2025

• Sequential LlmAgents not returning audio with bidi streaming

  #2261 opened Jul 30, 2025

• Cannot import HttpAuth and HttpCredentials

  #2257 opened Jul 30, 2025

• OIDC flow fails for public clients like Azure AD B2C due to mandatory client_secret using OpenAPIToolset

  #2256 opened Jul 30, 2025

• A2A agent cards do not support mounting adk as a fastapi sub-app and https.

  #2238 opened Jul 29, 2025

• Infer agent.json from ADK agent

  #2237 opened Jul 29, 2025

• Cloud Tracing - Observability - For Agents deployed on Cloud Run

  #2236 opened Jul 29, 2025

• Make Artifact service to be able to find artifacts using semantic similarity and not just on filename

  #2235 opened Jul 29, 2025

61 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• MCPToolset: Add OAuth2 Client Credentials Flow with RFC 8414 Compliant Discovery

  #2061 commented on Aug 4, 2025 • 38 new comments

• feat(code_executors): Add GkeCodeExecutor for sandboxed code execution on GKE

  #1629 commented on Jul 30, 2025 • 4 new comments

• ADK Roadmap 2025 Q3

  #2133 commented on Aug 4, 2025 • 0 new comments

• LiteLlm mime type parsing issue litellm

  #2122 commented on Aug 4, 2025 • 0 new comments

• In Memory Memory Service missing from Evaluation Generator

  #2084 commented on Aug 4, 2025 • 0 new comments

• DatabaseSessionService uses sync DB operations - needs async variant

  #1005 commented on Aug 4, 2025 • 0 new comments

• MCP tool execution is too slow

  #1643 commented on Aug 4, 2025 • 0 new comments

• Ways to reduce context or event history sent to orchestrator llm

  #1032 commented on Aug 4, 2025 • 0 new comments

• Deployed Agent Engine crashes with TypeError: Object of type AuthConfig is not JSON serializable when using any OAuth 2.0 enabled tool.

  #2035 commented on Aug 4, 2025 • 0 new comments

• pydantic_core._pydantic_core.ValidationError

  #1227 commented on Aug 3, 2025 • 0 new comments

• LLMAgent loses context/state after tool execution in Custom Agent

  #1738 commented on Aug 3, 2025 • 0 new comments

• mime_types trucates "image/", passing wrong mime types such as "jpeg"/"png"

  #2070 commented on Aug 3, 2025 • 0 new comments

• MCPTOOLSET issue on connecting new mcp server with google ADK

  #1277 commented on Aug 3, 2025 • 0 new comments

• adk deploy cloud_run error- Deploy failed: [WinError 5] Access is denied, Win 11,Google Cloud SDK Shell

  #999 commented on Aug 3, 2025 • 0 new comments

• GmailToolset OAuth redirect_uri malformed with appended flowName parameter

  #1209 commented on Aug 3, 2025 • 0 new comments

• Bigquery Testcases are Failing

  #2149 commented on Aug 3, 2025 • 0 new comments

• Let Tool Agents Automatically Access Shared State

  #2209 commented on Jul 29, 2025 • 0 new comments

• Feature Request: Add partial argument matching to TrajectoryEvaluator for flexible tool evaluation

  #1591 commented on Aug 4, 2025 • 0 new comments

• support for context caching

  #211 commented on Aug 5, 2025 • 0 new comments

• Master Issue: built-in tools cannot co-exist with FunctionDeclaration tools.

  #969 commented on Aug 5, 2025 • 0 new comments

• Pass Custom Parameters to /sse

  #1901 commented on Aug 5, 2025 • 0 new comments

• feat: Support Enum parameter parsing in function declarations #625

  #687 commented on Jul 29, 2025 • 0 new comments

• feat: ✨ redis session class

  #789 commented on Jul 29, 2025 • 0 new comments

• feat(tool): tool_error_notifier

  #1177 commented on Aug 1, 2025 • 0 new comments

• feat: implement retry mechanism for LiteLlm

  #1361 commented on Jul 31, 2025 • 0 new comments

• feat: Add support for store audio and transcription into events/sessions and artifacts

  #1867 commented on Aug 1, 2025 • 0 new comments

• feat: add CLAUDE.md to share project guidelines with claude code

  #2029 commented on Jul 30, 2025 • 0 new comments

• feat: add Spanner first-party tools

  #2185 commented on Aug 5, 2025 • 0 new comments

• feat: add support for ContetxtWindowCompressionConfig in RunConfig

  #2206 commented on Aug 2, 2025 • 0 new comments

• fix: Add support for required params

  #2212 commented on Aug 4, 2025 • 0 new comments

• fix: Update `agent_card_builder` to follow grammar rules

  #2226 commented on Jul 29, 2025 • 0 new comments

• Javascript is broken with FastAPI sub-application.

  #2072 commented on Jul 29, 2025 • 0 new comments

• Required properties not being set on litellm tool call

  #2202 commented on Jul 29, 2025 • 0 new comments

• API Calls using OPENAPI toolset fails with SSL verification failure

  #1272 commented on Jul 30, 2025 • 0 new comments

• Specify Schema when using DatabaseSessionService

  #2115 commented on Jul 30, 2025 • 0 new comments

• Feature Request: Add fallback_to_parent property to Agent

  #2234 commented on Jul 30, 2025 • 0 new comments

• int | None union syntax fails to parse in function parameters despite documented support

  #1634 commented on Jul 30, 2025 • 0 new comments

• LiteLLM doesn't support structured output correctly.

  #1967 commented on Jul 30, 2025 • 0 new comments

• When using VertexAiSessionService, streaming audio applications become unusable due to excessive HTTP traffic.

  #2162 commented on Jul 30, 2025 • 0 new comments

• VertexAiSearchTool User Credentials

  #897 commented on Jul 30, 2025 • 0 new comments

• Master issue: [Streaming Tools] support streaming intermediate results for tools for non-streaming case

  #2014 commented on Jul 30, 2025 • 0 new comments

• Use NotFoundError instead of ValueError when session not found

  #1383 commented on Jul 30, 2025 • 0 new comments

• OpenAPIToolset does not support tools (endpoints) that have multiple security definitions.

  #2228 commented on Jul 30, 2025 • 0 new comments

• litellm BadRequestError while processing images and PDFs.

  #2017 commented on Jul 30, 2025 • 0 new comments

• Session resumption not working

  #2179 commented on Jul 30, 2025 • 0 new comments

• LiteLlm model in ADK ignores stream=True — no streaming happens

  #2231 commented on Jul 31, 2025 • 0 new comments

• Parent Agent Session Information Not Passed to AgentTool

  #2130 commented on Jul 31, 2025 • 0 new comments

• Text Messages Don't Create Session Events in Live Streaming Mode

  #2045 commented on Jul 31, 2025 • 0 new comments

• DatabaseSessionService class: set a more explicit way to decide the schema

  #2217 commented on Jul 31, 2025 • 0 new comments

• Chat History

  #1923 commented on Aug 1, 2025 • 0 new comments

• PDF artifact not being OCR’d by ADK

  #2016 commented on Aug 1, 2025 • 0 new comments

• Cannot combine LoopAgent, state injection, and curly braces due to lack of global_instructions support

  #1235 commented on Aug 1, 2025 • 0 new comments

• MCPToolset Timeout Error

  #1086 commented on Aug 1, 2025 • 0 new comments

• user files not saved as artifact when using ADK web

  #2176 commented on Aug 1, 2025 • 0 new comments

• Failed to parse the tool parameter

  #2232 commented on Aug 1, 2025 • 0 new comments

• Durable workflows with Sequential and other types of workflow agents

  #1236 commented on Aug 1, 2025 • 0 new comments

• WARNING - base_authenticated_tool.py:72 - auth_config or auth_config.auth_scheme is missing.

  #2200 commented on Aug 2, 2025 • 0 new comments

• after_tool_callback not triggering for VertexAiSearchTool in Google ADK

  #1121 commented on Aug 2, 2025 • 0 new comments

• OpenAI with LiteLLM tool usage throws error that doesnt appear when using Gemini or Claude

  #1389 commented on Aug 2, 2025 • 0 new comments

• Add endpoint to update session state

  #1117 commented on Aug 2, 2025 • 0 new comments

• OAuth2/OpenAPI not working with subsequent tool calls

  #1944 commented on Aug 3, 2025 • 0 new comments