https://www.gnu.org/savannah-checkouts/gnu/emacs/emacs.html#Releases
Emacs 29.1 has a wide variety of new features, including:
Supports "pure GTK" (PGTK) build
Uses XInput 2 on X for input events
Uses tree-sitter parsers for several programming modes
Includes LSP client called Eglot
Includes the use-package package
Can access SQLite databases using sqlite3 library
Can display WebP images using libwebp library
Faster editing of files with very long lines
Better support for drag-and-drop on X
Pixel-precise scrolling with touchpad support
Enhanced support for editing and displaying Emoji
Support for Unicode 15.0 and many new scripts
Many enhancements of help and completion commands
Numerous enhancements to Image Dired
Double-buffering on MS-Windows
目前只有原始码释出，预编译执行档要等好心人