Created attachment 102830 [details] Panel shows off Hello, Just upgraded from 16.04 to 16.10 and vertical panels went dizzy. I have attached a partial screenshot.
There are many RTL fixes in newer Plasma versions. Please add a comment once you update to Plasma 5.8.5 (should be released next week).
This fixed on https://bugs.kde.org/show_bug.cgi?id=364532 *** This bug has been marked as a duplicate of bug 364532 ***