It seems it is somehow related to Wayland session - bug appears when Wayland session is enabled, and if I switch to X11 session, bug disappears.
** Package changed: libxkbcommon (Ubuntu) => wayland (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libxkbcommon in Ubuntu. https://bugs.launchpad.net/bugs/2040450 Title: Ubuntu 23.10 Latvian keyboard layout (apostrophe) broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wayland/+bug/2040450/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp