Microsoft PowerToys 0.103.3006.0 dev preview adds CLI workspace automation, Command Palette dock flyout

Microsoft has published PowerToys 0.103.3006.0, a development preview from the main branch that advances the release train ahead of the next stable version. The prerelease targets both x64 and ARM64 Windows systems with per-user and machine-wide installer options. The most significant user-facing additions include CLI-driven workspace automation and substantial Command Palette enhancements, alongside reliability fixes for Mouse Without Borders and a resolved shutdown hang affecting the entire suite.

This preview is explicitly intended for testing and ships under Microsoft's open-source PowerToys project, which is licensed under MIT. The release also contains notable engineering process changes: standardized three-component preview tags, updated contributor guidance restricting AI-generated pull request summaries to collapsed sections, and refreshed code ownership documentation for the Command Palette subsystem.

What changes in PowerToys 0.103.3006.0

• Workspaces CLI automation: Saved workspaces can now be listed and launched synchronously from the command line by name or ID, with JSON output and per-application result reporting for scripting and automation workflows in #51114.
• Command Palette dock flyout: A new dedicated dock panel enables browsing extension pages with independent navigation, search, details views, and command controls, expanding the extensibility surface for third-party and built-in extensions in #51092.
• Command Palette materials and theming: The dock now supports Mica and Mica Alt background materials with live switching and persistent selection state separate from the main Command Palette window, contributed by @iamDeenko in #51470.
• Performance Monitor accuracy fix: History charts no longer run at double speed when the same metric appears in both the dock and a full page view, and GPU labels have been shortened for better readability in #51206.
• Shutdown reliability: A race condition where PowerToys modules outlived runtime teardown has been resolved by enforcing complete module shutdown before runtime destruction, fixing the suite hanging after Quit in #51433.

Why it matters

PowerToys remains one of Microsoft's highest-visibility MIT-licensed open-source desktop utilities, and the workspace CLI additions make it more viable for developer automation and DevOps-adjacent Windows workflows that interface with Linux tooling through WSL. The Command Palette's maturing extension model and dock architecture signal Microsoft's continued investment in modular, community-extensible Windows power-user infrastructure that competes with open-source launcher ecosystems like Ulauncher and Albert on Linux.