Same here! I’m quite sure it’s because of the recent WP update.
Symptoms are:
– Switching languages doesn’t work for the menus anymore (button title says in the same language)
– Switching languages in sites DO still work
– Re-creating the menu (even in the simplest menu structure for testing purposes) doesn’t do anything against the problem. So I guess that it is not caused by a bad database-entry.
– When clicking a button which name is being displayed in language-1, but is supposed to be displayed in language-2, the correct page in the correct language (language-2) is loaded. So I guess it’s only a display-problem. The links DO work properly.
I haven’t found any workaround yet. Help is much appreciated! Thank you!