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Canonical AI event

New version 2.12.0 cuts time to first model request by 40% in long sessions.

v2.12.0 reduces initial model request time by 40% in long sessions.

13 Oct 20261 verified claims1 sources1 observations
What happened

The official source reports this update: v2.12.0. 2.12.0 (2026-10-13) Highlights This release enhances execution performance in long sessions while introducing finer control over tool execution, workflow approvals, and deployment security. Performance : Cut time to first model request by 40% in long sessions. ( 1754b3e ) Tools : Intercept and filter tool outputs before returning them to the model using after_tool_callback . ( fdda17c ) Workflows : Require human confirmation before executing workflow nodes via require_confirmation . ( 988fd1a ) Deployment : Deploy agents to Agent Engine using dedicated custom service accounts. ( 629e119 ) Python 3.15 : Install and run ADK on Python 3.15.

Why it matters

This official update documents a development concerning v2.12.0. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

Connected knowledge

Entities affected by this event

Adk Pythonsubject
Continue this topic
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Evidence trail

Sources behind the event

Google Agent Development Kit for Python official releasesv2.12.0
Editorial presentation

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