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Evaluation <code>Invocation.user_content</code> ValidationError when session has invocations without user events

eval[Component] This issue is related to evaluation[Component] This issue is related to evaluation

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

Status: Open.

Bug

#3760 In google/adk-python;

· lifeodyssey opened on Nov 29, 2025

Gemini 3 function calls fail with missing thought_signature error after multiple tool uses

models[Component] Issues related to model support[Component] Issues related to model support

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

Status: Open.

Bug

#3705 In google/adk-python;

· haseryo0403 opened on Nov 25, 2025

Error adk_web_server.py:1431 - Error in event_generator: Failed to parse the parameter file_patterns: List[str] | None = None of function cleanup_unused_files

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

request clarification[Status] The maintainer need clarification or more information from the author[Status] The maintainer need clarification or more information from the author

web[Component] This issue will be transferred to adk-web[Component] This issue will be transferred to adk-web

Status: Open.

Bug

#3591 In google/adk-python;

· rrbemfica opened on Nov 18, 2025

Session state not restored when using SQLite persistence in BIDI demo

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

services[Component] This issue is related to runtime services, e.g. sessions, memory, artifacts, etc[Component] This issue is related to runtime services, e.g. sessions, memory, artifacts, etc

Status: Open.

Bug

#3573 In google/adk-python;

· quantexperts opened on Nov 16, 2025

Automatic function calling fails when using VERTEX_AI, but works when using GEMINI_API

core[Component] This issue is related to the core interface and implementation[Component] This issue is related to the core interface and implementation

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

Status: Open.

Bug

#3543 In google/adk-python;

· danicat opened on Nov 13, 2025

VertexAiSearchTool query instability

help wanted[Community] Extra attention is needed[Community] Extra attention is needed

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

tools[Component] This issue is related to tools[Component] This issue is related to tools

Status: Open.

Bug

#3542 In google/adk-python;

· dominique-lambert-OBS opened on Nov 13, 2025

The Agentspace (Gemini Enterprise) Agent gets error when registered with authorization

agent engine[Component] This issue is related to Agent Engine deployment[Component] This issue is related to Agent Engine deployment

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

wip[Status] This issue is being worked on. Either there is a pending PR or is planned to be fixed[Status] This issue is being worked on. Either there is a pending PR or is planned to be fixed

Status: Open.

Bug

#3534 In google/adk-python;

· anton-hajdu opened on Nov 13, 2025

ADK 1.18.0 spams the log with note about Field conversion for JSON Schema

core[Component] This issue is related to the core interface and implementation[Component] This issue is related to the core interface and implementation

help wanted[Community] Extra attention is needed[Community] Extra attention is needed

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

request clarification[Status] The maintainer need clarification or more information from the author[Status] The maintainer need clarification or more information from the author

Status: Open.

Bug

#3491 In google/adk-python;

· flansen opened on Nov 11, 2025

McpToolset does not handle errors in ListTool calls

mcp[Component] Issues about MCP support[Component] Issues about MCP support

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

tools[Component] This issue is related to tools[Component] This issue is related to tools

Status: Open.

Bug

#3341 In google/adk-python;

· flansen opened on Oct 30, 2025

MCP Toolset OAuth2 User Interaction Flow Defects

mcp[Component] Issues about MCP support[Component] Issues about MCP support

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

Status: Open.

Bug

#3331 In google/adk-python;

· loveyana opened on Oct 29, 2025

pydantic.errors.PydanticInvalidForJsonSchema: Cannot generate a JsonSchema for core_schema.IsInstanceSchema (&lt;class 'httpx.Client'&gt;)

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

needs-review[Status] The PR is awaiting review from the maintainer[Status] The PR is awaiting review from the maintainer

web[Component] This issue will be transferred to adk-web[Component] This issue will be transferred to adk-web

Status: Open.

Bug

#3316 In google/adk-python;

· diefergil opened on Oct 28, 2025

Error 429 RESOURCE_EXHAUSTED when using VertexAiRagRetrieval tool

need attention[Status] This issue is important but the maintainers haven't started working on it[Status] This issue is important but the maintainers haven't started working on it

tools[Component] This issue is related to tools[Component] This issue is related to tools

Status: Open.

Bug

#3315 In google/adk-python;

· danicat opened on Oct 28, 2025