After much testing, it was determined that the installer-prompt was properly setting the locale, so it's not the issue. Calamares did indeed pick up on the changed locale (obvious through the session.log) but then changed the language used based on GeoIP data. I think the reason why those of us in the US couldn't repeat it is because (again, according to the log), the country code was being reported as "unusable."
Since GeoIP has been known to be problematic over time (the "unusable" country code being further evidence) and since the canonical user experience should be installing via the installer-prompt, we have opted to remove the GeoIP checking in the welcome module. For those installing via the live environment, it should be simple enough to select their preferred language, just as they would on the installer-prompt. Fix is in calamares-settings-ubuntu 1:24.04.18. ** Changed in: kubuntu-installer-prompt (Ubuntu) Status: Incomplete => Invalid ** Changed in: lubuntu-installer-prompt (Ubuntu) Status: Incomplete => Invalid ** Summary changed: - Lubuntu-installer-prompt fails to pass selected language to calamares + Calamares uses language different than the one selected via *ubuntu-installer-prompt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2055893 Title: Calamares uses language different than the one selected via *ubuntu- installer-prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calamares-settings-ubuntu/+bug/2055893/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs