@Morsok: the owncloud repository is official from owncloud point of view. The Ubuntu repository is official from Ubuntu point of view — I am representing this one here :)
If you are already using 2.2.4 from owncloud repository, I will suggest you to remain on it and not downgrade, and wait for the fix from upstream instead (or use appmenu-qt5 as a workaround).
@Morsok: the owncloud repository is official from owncloud point of view. The Ubuntu repository is official from Ubuntu point of view — I am representing this one here :)
If you are already using 2.2.4 from owncloud repository, I will suggest you to remain on it and not downgrade, and wait for the fix from upstream instead (or use appmenu-qt5 as a workaround).