Public bug reported:
As soon as the Keyboard Shortcuts tab window is invoked in the Settings
Application, Right Alt key is switched off system-wide. This happens
suddenly even without any action from the user - just simple invoking of
the window is enough to break the settings.
This obviously happens because of the new setting in the Keyboard
Shortcuts appeared in focal: Alternate Characters Key. It sets Right Alt
by default immediately as this window is opened. This setting doesn't
have the Not Set option, so it is even not easy to switch back to the
normal behavior. This setting can be unset only through the GNOME Tweaks
application: Keyboard & Mouse - Additional Layout Options - Key to
choose the 3rd level - uncheck the box Right Alt. But this is not a good
workaround since the Alt key setting will be destroyed again as soon as
Keyboard Shortcuts are visited in Settings next time.
The reasonable workaround seems to be introduction an option Not Set in
the setting Alternate Characters Key and making it default. This will
fix this bug and will introduce a sane default value because not every
keyboard layout has a third-option for the keys.
This is quite significant UX flaw since nothing should be changed
without explicit user action.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.0-0ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu20
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 15 22:33:08 2020
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2019-04-25 (325 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan EANIMAL" - Alpha amd64 (20190425)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug focal
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https://bugs.launchpad.net/bugs/1867548
Title:
Right Alt key is suddenly switched off after invoking Settings -
Keyboard Shortcuts in Focal
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