# @cloudflare/think@0.19.0

Category: agent-infrastructure
Published: 2026-09-18T12:22:43Z
Source: [Cloudflare Agents SDK releases](https://github.com/cloudflare/agents/releases/tag/%40cloudflare%2Fthink%400.19.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-18T23:03:40.792Z
Tags: cloudflare, agents-sdk, edge-runtime

## Human Summary
Cloudflare Agents SDK releases published @cloudflare/think@0.19.0. Minor Changes 2245 beff78a Thanks @mattzcarey ! - Add the Queue Lifecycle capability ( agents/queue ) for durable background work. Each pushed item is a job in the Lifecycle job queue, due immediately, run from the alarm loop one at a time in push order with Lifecycle's retry, deadman, and…

## Agent Summary
Treat @cloudflare/think@0.19.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Cloudflare Agents SDK releases published @cloudflare/think@0.19.0. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Minor Changes 2245 beff78a Thanks @mattzcarey ! - Add the Queue Lifecycle capability ( agents/queue ) for durable background work. Each pushed item is a job in the Lifecycle job queue, due immediately, run from the alarm loop one at a time in push order with Lifecycle's retry, deadman, and memory-limit policy. Callbacks are registered in the constructor and typed at declaration and push; push() accepts a stable id (upsert) and per-item retry . Agent.queue() and friends now delegate to the capability. Queued callbacks run from the alarm loop in a fresh invocation, so they no longer see the enqueuing request's connection or request through getCurrentAgent() (the agent itself is still available). The cf agents queues table and the in-isolate drain are gone; legacy rows migrate into the job queue on the next start. queue() accepts options.id ; dequeue , dequeueAll , dequeueAllByCallback ,…

## Recommended actions
- Review the official Cloudflare Agents SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.