Link: https://sw.kovidgoyal.net/kitty/changelog/#detailed-list-of-changes

0.45.0 [2025-12-24]

• A new kitten to select files at the speed of thought with a keyboard first interface and support for content previews of text files with syntax highlighting, images, videos, e-books and more (#9263)
• Add support for the paste events protocol (#9183)
• icat kitten: Add support for animated PNG and animated WebP, netPBM images, ICC color profiles and CCIP color space metadata to the builtin engine
• icat kitten: Add a new flag kitty +kitten icat --fit to control how images are scaled to fit the screen (#9201)
• icat kitten: The kitty +kitten icat --scale-up flag now takes effect when not using kitty +kitten icat --place as well
• Add a mappable action copy_last_command_output to copy the output of the last command to the clipboard (#9185)
• ssh kitten: Fix a bug where automatic login was not working (#9187)
• Graphics: Fix overwrite composition mode for animation frames not being honored
• Automatic color scheme switching: Fix title bar and scroll bar colors not being updated (#9167)
• macOS: Fix cycle through OS windows only swapping between the two most recent OS Windows. Also add a cycle through OS Windows backwards action. (#9215)
• goto_session: allow specifying a directory to select a session file from the directory (#9219)
• Have reloading config also reload the custom tab bar python modules (#9221)
• kitten @ ls: Also output the neighbors for every window (#9225)
• Have the kitty --start-as flag be respected when used with kitty --single-instance (#9228)
• When expanding environment variables in listen_on allow the env directive to take effect
• macOS: Fix closing an OS Window when another OS Window is minimized causing the minimized window to be un-minimized (#8913)
• Do not rewrap the text in the alternate screen buffer. Avoids flicker during live resize with no resize_debounce_time (#9142)
• Add a default mapping search_scrollback to open the scrollback in a pager in search mode. If any text is currently selected it is automatically searched for.
• Wayland: Fix spurious key repeat events when some user defined callback takes a long time to execute (#9224)
• When moving windows to a new tab/OS Window fix overlay windows not being grouped with their parent windows (#9266)
• Linux: Fix a bug causing colors to occasionally all go black when using mesa >= 25.3.0 with nouveau GPU driver (#9235)
• Fix tab_bar_min_tabs not respecting tab_bar_filter (#9278)
• macOS: Workaround for regression in Tahoe 26.2 that breaks kitty --detach (#9288)
• macOS: Workaround for yet another Tahoe regression causing macOS to start an AutoFill helper process and not shut it down on application exit (#9299)