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Windows 11 Build 29558 Console Updates

by ailona•

Windows 11 Insider Canary Build 29558.1000 brings Windows Terminal-sourced Console updates

Hello Windows Insiders. Microsoft released Windows 11 Insider Preview Build 29558.1000 to the Canary Channel. This build brings console integration with the open-source Windows Terminal and platform changes for active development.

Main feature and impact

This build merges Windows Console updates from the open-source Windows Terminal project. It introduces an optional Direct3D Atlas rendering path behind a registry flag. Regular expression search and bold font rendering improve command-line usability. Paste reliability and performance improvements reduce data loss and speed scrolling. Accessibility and UI Automation changes improve screen reader compatibility. Inline image and Sixel support enable richer CLI tool output and icon previews.

Practical implications

Insiders can enable the UseDx registry key to test GPU rendering. Expect different behavior in WSL, PowerShell, and terminal-based tools. Clipboard OSC 52 support enables programmatic copy operations. Rectangular selection and Alt+Numpad clipboard handling fixes improve developer workflows. Some changes arrive via feature rollouts and may be gated. Canary builds are unstable and not tied to a final Windows release. Report issues through Feedback Hub.
“The builds we release to the Canary Channel represent the latest platform changes early in the development cycle and should not be seen as matched to any specific release of Windows. Features and experiences included in these builds may never get released as we try out different concepts and get feedback.”
Testing and next steps are straightforward. Enable the toggle in Settings > Windows Update to receive gradual feature rollouts. File feedback under Developer Platform > Command Line in Feedback Hub and monitor Flight Hub for channel status.

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