Other lang wiki (ruwiki, cawiki, enwiki, hewiki, fawiki) - the issue seems to be specific to CJK based wikis.
- Login in on one of zhwiki, kowiki, or jawiki as a user who will have some cross-wiki notifications to be displayed in the flyout.
- Click to open the flyout - the horizontal scroll bar will be displayed and cross-wiki messages will extend beyond their placeholders.
The screenshot shows that some cross-wiki messages need more space in the flyout; the horizontal sroll bar is displayed.
The screenshot from jawiki
The screenshot of more extreme case from kowiki