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Projects/kitty/v0.49.1
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kitty v0.49.1

Add graphical effects to the terminal with custom shaders.

All of kitty

Before you upgrade to v0.49.1

clipboard_max_size was read as terabytes and is now applied in megabytes as documented; writes over the limit get an EFBIG error instead of being silently truncated.

Behavior changedAffects: Programs that write large amounts of data to the clipboard
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What changed in v0.49.1

Groups v0.49.0 and v0.49.1. Custom shader support, window_border_radius, remap_modifiers, kitten @ screenshot and set-os-window-title, a proportional sizing policy for splits, and sessions that save every layout. clipboard_max_size is now applied in megabytes.

Also: 15 to 35% throughput improvement; remember_window_size keeps the maximized state; macOS Split View tiling.

v0.49.1.

New things you can do

Fixed and improved

kitten @ screenshot saves a PNG of an OS window, tab or window; kitten @ set-os-window-title sets an OS window title.

ImprovedControl kitty from scripts or the shell: open windows, send text, change colors and query state.
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Optional proportional sizing in splits; dragging a window over a tab switches to it and shows where it will land.

ImprovedArrange terminal windows in tabs, splits and switchable layouts inside one kitty window.
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Sessions save and restore every layout, not only the active one.

ImprovedStart a saved working environment of tabs, windows and programs from a session file, and switch between sessions.
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Seeded by @iluxav with Claude Code (canido), from the release's public sources. Each change links to its evidence.