Claude Code (Anthropic's terminal coding agent)
- Version 2.1.166 released 7 minutes ago:
fallbackModel setting to configure up to three fallback models tried in order when the primary model is overloaded or unavailable; also applies to interactive sessions.
- Glob pattern support in deny rule tool‑name position (e.g., "* denies all tools); allow rules reject non‑MCP globs, unknown tool names in deny rules warn at startup.
- Hardened cross‑session messaging: messages relayed via SendMessage from other Claude sessions no longer carry user authority — receivers refuse relayed permission requests, and auto mode blocks them.
- Per‑model thinking toggle now disables thinking on models that think by default via the Claude API (3P providers unchanged); can be set with MAX_THINKING_TOKENS=0 or --thinking disabled.
- Claude Code now retries a turn once on the fallback model when the API rejects an unexpected non‑retryable error; auth, rate‑limit, request‑size, and transport errors still surface immediately.
- claude update now announces the target version before downloading instead of going silent.
- claude agents: typing a URL into the list now filters to the session whose first prompt contained it.
- Numerous bug fixes:
- Fixed recurring “image could not be processed” error and extra token usage when an unprocessable image was sent.
- Fixed remote sessions becoming permanently stuck after a brief backend disruption during worker registration at startup.
- Fixed flickering in JetBrains IDE terminals (IntelliJ, PyCharm, WebStorm, etc.) on 2026.1+ by enabling synchronized output.
- Fixed Shift+non‑ASCII characters (e.g., Shift+ä → Ä) being dropped in terminals using the Kitty keyboard protocol (WezTerm, Ghostty, kitty).
- Fixed PowerShell command validation occasionally hanging far past its time budget on Windows when a killed process's children held its output pipes.
- Fixed orphaned claude --bg-pty-host processes spinning at 100% CPU after the daemon dies while connected on macOS.
- Fixed voice mode requiring /login to clear a stale auth check after toggling /voice.
- Fixed managed settings with an invalid entry silently disabling enforcement of their remaining valid policies.
- Fixed managed‑settings allowedMcpServers/deniedMcpServers predicates not matching when they use ${VAR} references.
- Fixed background agent sessions that entered a git worktree crash‑looping with “No conversation found” when reopened.
- Fixed duplicated thinking text in the Ctrl+O transcript view while streaming.
- Fixed the cursor sticking at the end of the first line when typing a multiline prompt in the dispatch and reply inputs.
- Dynamic Workflows (research preview) introduced June 2, 2026:
ultracode setting (effort level xhigh) to let Claude decide when to use a workflow.
- Example use cases: codebase‑wide bug hunts, large migrations, critical work needing independent verification.
- Admin permissions for Enterprise custom roles (June 2, 2026):
Links
- Changelog: https://code.claude.com/docs/en/changelog
- GitHub Releases: https://github.com/anthropics/claude-code/releases
- Dynamic Workflows announcement: https://releasebot.io/updates/anthropic/claude
Claude API / Platform Updates
- Admin permissions added to custom roles for Enterprise plans (June 2, 2026) – same as above.
- Dynamic Workflows also available on the Claude API, Amazon Bedrock, Vertex AI, and Microsoft Foundry.
- Claude Opus 4.8 released May 28, 2026 – emphasizes honesty and reliability.
Links
- ReleaseBot updates: https://releasebot.io/updates/anthropic/claude
- Claude Opus 4.8 details: https://hidekazu-konishi.com/entry/anthropic_claude_model_release_timeline.html
OpenAI Codex CLI
- Version 0.137.0 released June 4, 2026:
codex plugin list --json output and cached remote catalog suggestions.
- Hosted web and image tools are available in more code‑mode flows; standalone web searches can run in parallel.
- Multi‑agent v2 keeps runtime choice per thread and exposes cleaner follow‑up and metadata defaults for spawned agents.
- Bug Fixes
- Cancelling a submitted prompt before visible output restores the draft, attachments, and collaboration mode for editing.
- Slash‑command filtering and footer shortcut hints now reset or render according to the current UI state.
- Platform reliability improved for macOS app launches, Windows SQLite startup, thread resume, and sandbox setup refreshes.
- Plugin loading preserves app manifest order, deduplicates local/remote curated installs, and treats malformed skills fields as warnings.
- Permission requests and approvals now carry environment identity, and managed MITM proxying exports readable CA bundles to child commands.
- Local session history is safer for compressed rollouts, renamed titles, pathless side‑chat reloads, and stack‑heavy startup/config rebuilds.
- Documentation
- Added app‑server docs and generated schema updates for monthly credit limits, remote‑control RPCs, and environment‑scoped permission approvals.
- Moved repo review rules and contributor conventions into AGENTS.md, including Rust test‑module layout and Python 3 compatibility guidance.
- Chores
- Root formatting and Justfile workflows are more complete and Windows‑aware.
- Rust CI and release workflows now use the git CLI for Cargo fetches to avoid intermittent libgit2/submodule failures.
- Python SDK releases publish runtime wheels from the SDK workflow and pin to a glibc‑compatible runtime package.
- Bazel CI’s BuildBuddy wrapper was reintroduced with Windows‑safe process handling and validation.
- Shared prompts, context fragments, and skills plumbing moved into dedicated crates/extension paths to reduce codex‑core coupling.
- Earlier recent versions (0.136.0, 0.135.0, etc.) continue incremental improvements.
Links
- Changelog: https://developers.openai.com/codex/changelog?type=codex-cli
- GitHub Releases: https://github.com/openai/codex/releases
OpenCode (opencode‑ai/opencode)
- Version 1.16.2 released 9 hours ago:
/mo now prefers the models command in slash autocomplete.
- Fixed crashes from malformed path or diff metadata in permission and session views.
- Desktop
- Fixed titlebar tab overflow clipping.
- Fixed overflowed titlebar tabs so scrolling and drag regions behave correctly.
- Improved tab closing and navigation so the next tab is selected more reliably.
- Improved multi‑server desktop support with per‑server home state and session tabs.
- Thank you to contributors: @kameshsampath, @pcadena‑lila, @weiconghe, @alblez, @jerome‑benoit.
Links
- Changelog: https://opencode.ai/changelog
- GitHub Releases: https://github.com/anomalyco/opencode/releases
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AI Coding Intelligence • Leaniverse News