If I were sensible I’d just put up with XWayland not scaling #Emacs properly, but I’ve done the foolish thing instead and went through a guide to build it properly on #NixOS.

To summarise, I followed the instructions at the GitHub repository (nix-community/emacs-overlay) in the Quickstart section, updating services.emacs.package to pkgs.emacsPgtk, then sudo nix-channel --update && sudo nixos-rebuild switch.

The result is several minutes of compilation, but the end result is that it scales properly and all the text looks very nice on my screen.

I spent so much time getting it to work, but it’s very much worth it if you have a #HiDPI screen.

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