agents Releases

This patch release (@cloudflare/think@0.8.3) introduces significant chat recovery improvements including a work budget guard, progress-keyed re-attach budgets for child agents, and fixes for human-in-the-loop turns waiting on pending client interactions. It also adds opt-in context-window overflow recovery and fixes RPC resource leaks in workflows.

Jun 5, 2026

This patch release fixes critical issues with the auto-continuation barrier in Think, changing it from a fixed 60-second timeout to an event-driven mechanism. The changes fix a race condition causing MissingToolResultsError, prevent spurious errors when human-in-the-loop tools are waiting for user input, and eliminate isolate pinning from orphaned client disconnects.

Jun 3, 2026

This patch release (@cloudflare/ai-chat@0.8.1) fixes three critical bugs in the AI chat agent system. The most significant fix addresses a session-wedging issue where malformed tool inputs cause persistent 400 errors, while also resolving a race condition in parallel tool call handling and a streaming state bug.

Jun 3, 2026

This patch release (@cloudflare/think@0.8.1) addresses several critical race conditions and recovery issues in the Think agent. The fixes include preventing mid-stream tool results from being dropped, serializing parallel tool result applies to avoid clobbering, unwedging sessions with malformed tool inputs, and fixing chat recovery failures that could leave turns in a broken state.

Jun 3, 2026

This patch release addresses four bug fixes across the Cloudflare Agents SDK. The most significant fix improves recovery of one-shot scheduled work (alarms) that was being orphaned during script upgrades, while another critical fix ensures tool_use.input is always a valid JSON object to prevent sessions from becoming permanently wedged with the Anthropic API. The release also adds proper cleanup scheduling for Chat SDK state-agents and fixes an OAuth PKCE verifier race condition.

Jun 3, 2026

Fabric update extending sampling parameter exclusion logic to Opus 4.8 models.

Jun 2, 2026

NATS Server update with Go 1.26.3, featuring JetStream stability fixes and protocol improvements.

Jun 2, 2026

NATS Server update mirroring v2.14.2 with Go 1.25.10.

Jun 2, 2026

This release (0.14.0) introduces significant improvements to agent recovery and resilience, including a structured failure envelope for agentTool() that distinguishes between errors, aborts, and interruptions with retryable flags. It adds a new framework-agnostic Agent Skills engine, live recovery status indicators, bounded recovery with configurable limits, and the ability to re-attach to still-running sub-agents during parent recovery. Multiple MCP transport fixes improve SSE resumability and prevent response routing issues.

Jun 2, 2026

This release (@cloudflare/think@0.8.0) introduces major enhancements to chat recovery resilience, including a wall-clock-keyed recovery budget (5-minute no-progress window), live recovery status indicators, and bounded re-attach to sub-agents. It also adds a new framework-agnostic Agent Skills engine, first-class Think messengers with Telegram support, and ThinkWorkflow with durable reasoning steps.

Jun 2, 2026

This release (@cloudflare/ai-chat@0.8.0) significantly enhances chat recovery robustness under deploy churn and interruptions. Key improvements include a wall-clock-based recovery budget (5-minute no-progress window), a new `isRecovering` flag for UI feedback, and enriched recovery context payloads. The release also fixes multiple edge cases where recovery could falsely abandon turns or lose completed work.

Jun 2, 2026

This minor release adds a `virtualModules` option to `createWorker` that allows developers to provide virtual module sources during bundling. The feature supports import specifiers like `node:fs` or `virtual:app/config` and only works in bundle mode, being ignored with a warning in transform-only mode.

Jun 2, 2026

This release bumps the project version to 0.2.89 and updates the go-git/go-billy dependency.

Jun 1, 2026

This release adds support for the Claude Opus 4.8 model and upgrades the Go toolchain and associated SDK dependencies to their latest versions.

May 28, 2026

This patch release fixes various formatting and diagnostic issues across Astro, HTML, CSS, Svelte, and Vue files, while adding support for trailing commas in configuration overrides.

May 27, 2026

This is a patch release (0.2.1) for @cloudflare/voice that includes a single bug fix from contributor @cjol. The update prevents empty assistant transcript entries from being emitted when a voice turn produces no response text, improving transcript quality.

May 26, 2026

This patch release (0.0.2) introduces the new Telnyx voice provider package for Cloudflare Agents voice pipelines. The package includes support for Speech-to-Text (STT), Text-to-Speech (TTS), and browser telephony functionality.

May 26, 2026

This patch release (@cloudflare/ai-chat@0.7.2) improves chat recovery and error handling for AI chat turns. It adds the ability to automatically retry interrupted pre-stream messages and returns proper error statuses for stream errors in programmatic chat turns.

May 26, 2026

This patch release (@cloudflare/think@0.7.3) improves chat turn recovery and error handling. It adds pre-stream interruption retry capabilities and ensures error statuses are properly returned for stream errors in programmatic chat turns.

May 26, 2026

This patch release (0.3.8) updates the default `openApiMcpServer` configuration to use the MCP SDK's Workers-safe JSON schema validator for elicitation response validation, eliminating the dependency on runtime code generation.

May 26, 2026