The labels of tabs in #p-views bar change after page loading.
From MediaWiki:visualeditor-ca-createlocal to MediaWiki:visualeditor-ca-createlocaldescriptionsource.
This leads to not updating tab arrangement: the bar is too big, without collapsing a tab to More tab
If I reduce window size, then I enlarge back the window, one tab is well collapsed under More tab.
URL example: https://fr.wikipedia.org/w/index.php?title=Utilisateur:GrandCelinien&uselang=fr
I use Firefox 60.4.0esr on Debian.