I had a small discourse forum for a few years and it works well. I set up autobackups, but didn’t update discourse version for a long time. Server died, but I have backup. Backup is from the old discourse version, about a 2 years ago. When I’m trying to install the newest version and restore from backup, it doesn’t work. When I’m trying to install old version, it isn’t possible: setup script automatically pulls new commits and latest docker image, I even found these lines in launcher script and deleted, but some internal code in docker image also checks and updates git to latest version. What should I do? How can I run old discourse version or restore old backup on a new version?

You can just access the themes from the admin interface. You can first disable them all and then turn them on one at a time (or whatever).

Restore specific discourse backup version

Product Support

Sailormoon (Sailor) August 29, 2025, 9:54am 21

Thanks! It was a bug, caused by old day/night theme, which is built-in now. Your solution worked

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