4.2.8.1 release

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Korean)

Currently translated at 84.6% (2343 of 2768)

[ci skip]
Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
4.2.10-dev

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge commit 'ab9036f'
4.2.10-dev

Signed-off-by: Marc Delisle <marc@infomarc.info>