01Agents
Tools
Agents and dev tools worth using, the releases that change the work, and status-page incidents worth watching.
Other
Copilot Enterprise managed settings in-product validator
Copilot Enterprise adds an in-product validator for managed settings โ admins can catch misconfigurations before they reach users.
Kiro โ Configurable Terminal Timeouts, Clickable File Links, and Agent Focus Session Restore
Kiro 1.1.70: configurable terminal timeouts for local agent commands, clickable file links in Markdown, and Agent Focus context restore aligned with active project.
Claude platform release notes โ September 24, 2026
Claude API now bills pre-output refusals in bio/frontier_llm/reasoning_extraction categories โ watch your costs if you hit these refusal types.
Amp Less Noise
Amp collapses agent step-by-step logs by default โ you see outcomes, not every intermediate step. Expand when you need to debug.
Cursor Rollouts and Security Review
Cursor launches two bots for the last mile of shipping code: Rollouts watcher tracks deployment rollouts, and Security Reviewer flags security issues in PRs before merge.
Kiro โ Configurable Terminal Timeouts, Clickable File Links, and Agent Focus Session Restore
Kiro IDE 1.1.70 adds configurable terminal timeouts for local agent commands, clickable file links in Markdown, and Agent Focus session restore that keeps file/folder context aligned with the active project.
Amp The Mac App Is Your Runner
Amp's Mac app can now act as the runner for your agents โ run agent workloads directly on your Mac instead of a remote sandbox.
Factory 0.226.1
Factory 0.226.1 โ Droid now finishes replies while background tasks keep running instead of waiting, and Droid Shield can fix flagged files and rerun blocked commands when you ask.
Amp Shared Runners
Amp now lets you share a runner with your workspace via `--share` โ point the team at a GPU box, Mac builder, or network-specific dev box and spawn agents on it from ampcode.com.
Devin September 23, 2026
Devin Sept 23 โ parent sessions now show the child session tree; permission waits resume immediately on response; autoreview triggers become composable rules (account/SCM org/repo/prefix/member + filters). Capability picker names models: Ultra = Fable 5.1 + GPT-6 Astra.
Devin 1 more releases
Devin CLI stable v3000.11 โ run Devin Cloud sessions from the terminal (`devin --cloud`), handoff/pickup cloud PR branches locally, `devin ssh` into the cloud VM, ACP model/thinking/speed controls, and OTel export. v3000.11.3 fixes tenant-aware session links on dedicated tenants.
Devin CLI v3000.11.1
Devin CLI v3000.11.1 adds cloud session control from the terminal โ `devin --cloud`, `/handoff`/`/pickup` to pull a cloud PR branch local, and `devin ssh` into the VM. Also OpenTelemetry export and ACP model selection.
Antigravity Google โ Windows Subsystem for Linux, Office attachments, and live subagent cards
Antigravity adds Windows Subsystem for Linux support, Office attachments, and live subagent cards.
Claude Opus 5.5
Claude Opus 5.5 launches with 1M context, 128k output, always-on adaptive thinking, and $4/$20 pricing โ a direct upgrade for long-running agentic coding.
Claude platform release notes โ September 18, 2026
Compliance API local session endpoints now return transcripts of Claude in Chrome sessions (beta, Enterprise) โ closes a gap for orgs auditing agent activity in the browser.
Devin CLI v3000.11.1 โ Devin Cloud in your terminal
Run Devin Cloud sessions from the CLI (`devin --cloud`), hand off/pick up PR branches between cloud and local (`/handoff`, `/pickup`), and SSH into cloud VMs (`devin ssh`). Also adds OpenTelemetry export and ACP model/thinking controls.
Claude platform release notes โ September 18, 2026
Messages API adds on-demand conversation compaction (beta, `compact-2026-09-04`): send a `compaction` parameter, get a signed summary block to replace earlier turns, run it in the background, and keep recent turns verbatim. Compliance API now returns Claude in Chrome session transcripts for Enterprise.
xAI API release notes โ September
xAI API September release notes โ nav now lists a Multi Agent section; check for new multi-agent API surface.
Anthropic partners with Accenture on embedded evaluation
Anthropic partners with Accenture on embedded evaluation, led by Faculty โ independent frontier AI evaluation.
Antigravity โ Windows sandbox support
Antigravity adds Windows sandbox support โ Windows devs can now run agents in isolated environments, closing a platform gap for Windows-based coding workflows.
Antigravity Google โ New Permissions System & Terminal and Git version control for Enterprise
Antigravity ships a new permissions system plus terminal and Git version control for Enterprise. Permission changes are the kind of thing operators need to review before rollout.
xAI API release notes โ September
xAI's September API release notes are live โ Grok 4.6 is the current model line. Worth a scan for tool-use and structured-output changes that affect agent builds.
Antigravity Google โ Custom agent controls and keyboard navigation
Antigravity adds custom agent controls and keyboard navigation โ more direct steering of agent behavior in the harness.
anthropics
Anthropic SDK 0.128.0
Anthropic TS SDK 0.128.0 adds claude-opus-5-5 support, inline tool definitions, and MCP tool-list pinning (beta); `addTools()` now takes effect immediately.
Anthropic SDK 0.126.0
Anthropic SDK 0.126.0 adds auto-mode tool permissions for Managed Agents and beta compaction parameters with signed blocks. Also adds url_sources to the web fetch tool.
Anthropic SDK 1.7.0
Anthropic SDK 1.7.0 adds compact_before_next_turn() to the tool runner and display_name for rate-limit groups (group_type deprecated).
Anthropic SDK 0.127.0
Adds `compactBeforeNextTurn()` to the tool runner for explicit context compaction, and stops retrying streamed request bodies. Worth pulling if you run long-context agent loops.
openai
Codex 0.157.0
Codex 0.157.0 adds GPT-6 Sol and Luna (with Bedrock support) and auto-starts background servers for interactive sessions โ new models to test, and less manual server setup.
Codex 0.156.0
Codex 0.156 adds a fullscreen TUI with transcript search, voice by default, a /usage analytics dashboard, and worktree sessions on by default.
OpenAI Python SDK 3.15.0
OpenAI Python SDK 3.15 adds agent session model settings, compaction progress events, and prompt-cache prewarming โ plumbing for long-running agent sessions.
OpenAI SDK 3.16.0
OpenAI SDK 3.16.0 adds webhook endpoint management and deprecates MCP connector_id. Anyone using MCP connectors should plan migration.
earendil-works
Pi 0.87.0
Adds canonical session context (edit model context without rewriting history), full-transcript context extensions, and per-model image input limits. Breaking: `shouldStopAfterTurn` is gone โ migrate to `finishTurn` returning `{ action: "end" }`.
Pi 0.86.0
Pi 0.86.0 adds prompt cache warming to keep caches alive during long tool runs, plus per-model compaction budgets. Breaking: custom pi-ai providers now receive TranscriptContext instead of Context.
OpenHands
OpenHands 1.22.0
OpenHands 1.22.0 lets cloud backends test remote MCP servers via the app server and opens Git Sync to org admins; also fixes preserving sibling MCP servers when saving to cloud.
OpenHands 1.21.0
Request Docker execution workspaces from Docker servers โ moves execution off the local daemon. Also fixes stale conversation history merges and Forgejo PR/issue listing.
google-gemini
Gemini CLI 0.61.0
Gemini CLI 0.61.0 hardens sandbox filesystem boundaries and blocks indirect prompt injection via build file modifications and untrusted flags โ update before running it on repos you don't fully trust.
nanocoai
NanoClaw 2.4.0
NanoClaw 2.4.0 โ credential gateways via skills (Iron Proxy new), install-wide/per-group model and speed controls, Mattermost channel, reworked OpenCode provider. Breaking: custom instruction sources must move to the new module โ CLAUDE.md @-imports outside the project dir were silently dropped, so most instructions never reached the model. Defaults shift to Opus 5.5 and gpt-6-astra.
NousResearch
Hermes Agent 0.21.4
Patch tag rolling up ~1,800 PRs since v0.21.3 for Docker/Cloud consumers; full notes deferred to v0.22.0. Unlisted but notable: host-wide gateway singleton lock, Desktop now attaches to the running host backend instead of spawning a second, and `--format stream-json` JSONL output for the CLI.
openclaw
OpenClaw release-publish/ee1e5f21fd22
New cut from the core runtime. Release notes weren't captured this cycle โ check the tag for operator-facing runtime changes.
vercel
Vercel AI SDK xAI provider 5.0.0
Vercel AI SDK xAI provider 5.0.0 removes Chat Completions API โ breaking change; migrate to Responses API.