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Are node-level callbacks / plugin hooks planned for graph Workflow?

Status: Open.

#6779 In google/adk-python;

· Koichi73 opened on Aug 17, 2026

build_agent_card(): agent_registry cards stay streaming:false after #6673, and the streaming= parameter becomes unreachable

Status: Open.

#6778 In google/adk-python;

· arunpshankar opened on Aug 17, 2026

Workflow output_schema is dropped when exposed via to_a2a(); artifact contains only the last agent node's text output

Status: Open.

Bug

#6762 In google/adk-python;

· Jausk opened on Aug 17, 2026

History rebuild assumes model-supplied function-call ids are unique; Gemini reuses them, pairing a call with another tool's response (400 INVALID_ARGUMENT)

Status: Open.

#6761 In google/adk-python;

· demoshane opened on Aug 17, 2026

feat(integrations): Add OpenSandboxEnvironment for remote sandbox workspaces

Status: Open.

Feature

#6758 In google/adk-python;

· jianpingpei opened on Aug 17, 2026

2.7.0 on Agent Engine: worker dies without a traceback on the second model call after a tool round-trip, truncating the stream

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

Status: Open.

Bug

#6757 In google/adk-python;

· TakumaKurosawa opened on Aug 17, 2026

Requesting triage on several open PRs

Status: Open.

#6756 In google/adk-python;

· prasanna8585 opened on Aug 17, 2026

[Feature Request] Do not generate __init__.py for config-based agents

agent config[Component] This issue is related to the Agent Config interface and implementation[Component] This issue is related to the Agent Config interface and implementation

Status: Open.

Feature

#6753 In google/adk-python;

· ftnext opened on Aug 16, 2026

contents rearrange still raises on id-less / unmatched trailing function responses (follow-up to orphan FR prune)

live[Component] This issue is related to live, voice and video chat[Component] This issue is related to live, voice and video chat

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

#6751 In google/adk-python;

· a2105z opened on Aug 16, 2026

Applications cannot influence what a toolset contributes when tool listing fails (per-user OAuth MCP servers)

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

Status: Open.

Feature

#6748 In google/adk-python;

· hawktang opened on Aug 16, 2026

output_schema validation dumps in pydantic python mode, so the node result is not JSON-serializable

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

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

#6747 In google/adk-python;

· itayro1 opened on Aug 16, 2026

LiteLLM tool call ids carry the embedded Gemini thought signature

models[Component] This issue is related to model support[Component] This issue is related to model support

Status: Open.

Bug

#6742 In google/adk-python;

· benclarkeio opened on Aug 15, 2026