We're finally at a point where we're going to offer some beta versions of Sigil and PageEdit as AppImages for Linux.
These are targeting Ubuntu Jammy 22.04 and later (the oldest still supported Ubuntu LTS after May 31st 2025). Most linux OSes with a glibc of 2.35 or higher have a good shot of being able to run these. Running ldd --version at a terminal should tell you your glibc version. I've run them on out of-the box Jammy installations and Fedora 36 with no trouble (as well as newer distros).
Some warnings:
These AppImages will share any existing Sigil preferences you already have. So if you're not already running version 2+ of Sigil, you'll want to make sure to have good backups of your preferences as the newer Sigil will update your preferences to a point where they won't be usable by pre-2.0 versions of Sigil any more.
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You need to download these, check their file properties and make sure they're executable (make them so if they are not). Then you should be able double-click them to launch them. You can also launch them from a terminal.
The Sigil AppImage has a complete bundled Python plugin environment built into it that should pass all of our testplugin tests right out of the box. If you don't have Sigil installed already, it will be enabled by default. Otherwise, open the Plugin Manager and check the "Use Bundled Python Interpreter" box (or don't; the AppImage should be able to make use of a properly configured external Python environment as well).
Enough talking! The beta AppImages can be downloaded from my personal GitHub (don't worry about the name of the repo, it's meaningless):
https://github.com/dougmassay/win-qt...s/tag/v5.212-1
Look for the Sigil-2.4.900-x86_64.AppImage and PageEdit-2.4.900-x86_64.AppImage assets.