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v1.55.1
What's new in v1.55.1
Features
- Claude Opus 5.5 (
claude-opus-5-5[1m], 1M context) gets the full preset set — Auto and Bypass at Medium/High/X-High ... - Codex gets GPT-6 Sol (Low through Ultra effort, plus the Plan and Plan → Bypass workflows, which move from GPT-5.6 So...
Download
macOS (Apple Silicon)
macOS (Intel)
Windows (x64) — unsigned, and there is no installer yet
stable-win-x64-dev-3.0.zip(177.0 MB)
Extract the zip (right-click → Extract All; nothing else needed), open the dev-3.0 folder and double-click bin\launcher.exe.
This build is not code-signed at this time — that may change in the future. The first time you run it, Windows covers the screen with a blue SmartScreen warning. Getting past it is two clicks: More info, then Run anyway — once per build. That dialog means Windows does not recognise the publisher. It is not a virus report.
Linux (x64)
Linux (arm64)
All artifacts
canary-win-x64-dev3-conpty-package-tracer-Setup-canary.zipcanary-win-x64-dev3-conpty-package-tracer-canary.tar.zstcanary-win-x64-update.jsondev3-cli-linux-arm64.tar.gzdev3-cli-linux-x64.tar.gzdev3-cli-macos-arm64.tar.gzdev3-cli-macos-x64.tar.gzmatrix-config.jsonstable-linux-arm64-dev-3.0.tar.zststable-linux-arm64-dev-3.0Setup.tar.gzstable-linux-arm64-update.jsonstable-linux-x64-dev-3.0.tar.zststable-linux-x64-dev-3.0Setup.tar.gzstable-linux-x64-update.jsonstable-macos-arm64-dev-3.0.app.tar.zststable-macos-arm64-dev-3.0.dmgstable-macos-arm64-update.jsonstable-macos-x64-dev-3.0.app.tar.zststable-macos-x64-dev-3.0.dmgstable-macos-x64-update.jsonstable-win-x64-dev-3.0.tar.zststable-win-x64-dev-3.0.zipstable-win-x64-update.jsonwindows-app-launch-proof.jsonwindows-app-layout.jsonwindows-conpty-package-proof.jsonwindows-shell-matrix.txt