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Emacs: The macOS Bug
The Context I have been recently roaming. Doing some Zig, doing some Go, some Janet. Some C integration. Should have focused on my project but life threw more at me than I could handle, so I sought… happy distractions. My experience with those technologies taught me new tricks and one day, when I needed some more distraction, I decided to debug something that had made me furious for years: Emacs jank1.
My experience with those technologies taught me new tricks and one day, when I needed some more distraction, I decided to debug something that had made me furious for years: Emacs jank. They’re mostly useless: already loaded font glyphs in live windows, menu strings, copies of the current state of the rendered frame for use in the next re-rendering events. This concrete problem you can easily observe: Open a fresh Emacs instance (with-Q) grab the handle and resize like a loon over 10 seconds.
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