The language I selected in Ubiquity is only partially applied to the installed system. And no language is set as default in System Settings → Regional settings → Language (the list is empty).
I had the same problem on neon dev unstable. I selected pt-br language in neon installer.
The settings in systemsettings are for the user. What you set in ubiquity is for the actual system as whole. If you have nothing set for the user specifically the setting set by ubiquity is used. The language list being empty simply means there is no user specific setting.
in my case, language list is empty and "Add languages..." button is disabled.
(In reply to Harald Sitter from comment #2) > The settings in systemsettings are for the user. What you set in ubiquity is > for the actual system as whole. If you have nothing set for the user > specifically the setting set by ubiquity is used. The language list being > empty simply means there is no user specific setting. OK. As a user I was expecting that language/locale settings for the first user created was also set in Ubiquity.
bug 395512 seems duplicate.
(In reply to Dr. Chapatin from comment #5) > bug 395512 seems duplicate. That seems like a separate issue to me. I don't have the 'Add language…' button greyed out, and I had no problem adding languages in the KCM post-install. (In reply to Harald Sitter from comment #2) > The settings in systemsettings are for the user. What you set in ubiquity is > for the actual system as whole. If you have nothing set for the user > specifically the setting set by ubiquity is used. The language list being > empty simply means there is no user specific setting. Reading your comment once more, I'm a tad confused. Do user accounts by default already inherit the language preferences set in Ubiquity? If so, is it just a visual thing that the default language is not displayed in the KCM?
the disabled add languages button is a bug with a proposed fix https://phabricator.kde.org/D15115 And yes, by default the KCM will not show you anything as configured, which is to say that the system language settings apply. design-wise I find this fairly underwhelming, but then actually determining the *system* level default is super tricky because of how localization works on POSIX systems. bug #3397974 has marginal background.
bug #397974 even
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!