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Can't track tokens usage when using vertex AI related features in AgentTools

tracing[Component] This issue is related to OpenTelemetry tracing[Component] This issue is related to OpenTelemetry tracing

Status: Open.

Feature

#4377 In google/adk-python;

· Jihed-Benmohamed opened on Feb 5, 2026

[Bug]: ADK fails to load tools when using Toolbox integration

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

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

Status: Open.

Bug

#4376 In google/adk-python;

· mehdicopter opened on Feb 5, 2026

Bug: Two LocalEvalSetsManager tests failing due to incorrect mock targets

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

Status: Open.

Bug

#4374 In google/adk-python;

· G26karthik opened on Feb 5, 2026

ADK does not support Python 3.10+ union type syntax (<code>str | None</code>)

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.

#4371 In google/adk-python;

· ecanlar opened on Feb 4, 2026

# ADK 1.23.0 Bug Report: Incompatibility with Workload Identity Federation + Impersonation

bq[Component] This issue is related to Big Query integration[Component] This issue is related to Big Query integration

Status: Open.

Bug

#4370 In google/adk-python;

· mathewschristopher opened on Feb 4, 2026

LiteLLM wrapper incompatible with LiteLLM v1.81.3+ for Gemini 2.0+ models (responseJsonSchema change)

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

Status: Open.

Bug

#4367 In google/adk-python;

· oi-manabu opened on Feb 4, 2026

DatabaseSessionService fails with PostgreSQL + asyncpg: can't subtract offset-naive and offset-aware datetimes

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

#4366 In google/adk-python;

· filipecaixeta opened on Feb 3, 2026

McpToolset schema converter fails with array properties in Oracle SQLcl MC

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

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

Status: Open.

Bug

#4363 In google/adk-python;

· paulparkinson opened on Feb 3, 2026

[Gemini Live API] Expose live_session_resumption_update in Events for cross-connection session resumption

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

Status: Open.

Feature

#4357 In google/adk-python;

· AshleyMaloney opened on Feb 2, 2026

how to integrate BigQuery Agent Analytics Plugin with FastAPI (extra plugins) ?

bq[Component] This issue is related to Big Query integration[Component] This issue is related to Big Query integration

Status: Open.

#4355 In google/adk-python;

· SaiRaj07 opened on Feb 2, 2026

Inline source deployment incompatible with agent_server_mode: EXPERIMENTAL

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

#4350 In google/adk-python;

· ASRagab opened on Feb 2, 2026

BadRequestError: tool_call_id not found when using Claude/OpenAI with session history containing tool calls

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

Status: Open.

Bug

#4348 In google/adk-python;

· thesynapses opened on Feb 2, 2026