Created attachment 672167 [details]
installer at the first screen, pressed alt-n many times but without mouse
clicked

Qt 5.6 updates was pending in staging:E due to the installer has no response
after pressed alt-n at the first screen[1], even more, all shortcuts doesn't
work, F10, F9, akt-*, etc. I also tried it on physical machine and had the same
result. I'm not so sure it's libyui or qt 5.6(or something else) problem
though.

Note that:
1) after mouse clicked, the shortcut back to work as normal.
2) in a "worked" installer, the Language combobox should be turned to green in
the selected language at the first screen, this non-worked installer looks not.
3) I've switch to text console and killed y2base, then re-launch the installer,
the shortcuts works afterward.

I'll attach two y2logs - y2log_{before, after}, y2log_before is created at the
first screen show up, and pressed alt-n many times but without mouse clicked;
y2log_after is following the above but had mouse clicked and pressed alt-n
afterward. HTH.

[1] https://openqa.opensuse.org/tests/137674