v0.1.0 — Initial Release

wmux v0.1.0

First public release — a native Windows terminal multiplexer with vertical tabs and workspaces.

Download

Download Wmux.App.exe (14 MB) and run it. No installation required.

Requirements: Windows 10 (1903+) or Windows 11. .NET 8 Desktop Runtime required.

Features

• Auto-detect shell — prefers pwsh.exe (PowerShell 7), falls back to powershell.exe
• Vertical sidebar — workspace list with titles and working directory
• GPU-accelerated rendering — Win2D / Direct2D terminal output
• VT100/xterm support — 16/256/truecolor, bold, italic, underline, alternate screen buffer
• ConPTY integration — modern Windows Pseudo Console API
• Dark theme — Mica backdrop, custom styling
• Workspace management — create, switch, independent terminals

Known issues

Early alpha — expect rough edges:

• Keyboard input edge cases
• Minor rendering alignment issues
• No split panes, clipboard, mouse selection yet

See the roadmap for planned features.