merge with main git using merge_canonical_changes.py.

wiki/src/support/known_issues.ar.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.ca.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.id.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.pl.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.ru.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.sr_Latn.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.tr.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.zh.po: updating as wiki/src/support/known_issues.de.po has changed.
wiki/src/support/known_issues.zh_TW.po: updating as wiki/src/support/known_issues.de.po has changed.