Planet Emacsen – Mickey Petersen: What’s New in Emacs 29.1?

Wonderful news! Emacs 29.1 is out now. If you’re wondering what’s new, and why it’s absolutely worth upgrading, keep reading. I’ve annotated the NEWS file – as I’ve been doing for the last thirteen years – with my own thoughts and comments on the deluge of new and interesting features.To celebrate, my book on Emacs is also on sale: 29% off.Before I go into the specifics of every minor item, a quick summary of what I think are the major highlights of Emacs 29.1:Official tree-sitter supportTree-sitter is a third-party library that parses your text (usually code, but also things like Markdown) into a concrete syntax tree. It’s one of the hallmark features in Emacs 29, though…

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