Compare screenshots. Left screenshot - Check for Updates Ctrl+R (Procurar atualizações) in the top Right screenshot - Check for Updates Ctrl+R (Procurar atualizações) in the bottom Reproducible: Always Steps to Reproduce: 1. Click on More... 2. Choose Check for Updates option 3. Wait for the update 4. Click on More... again and see menu.
Created attachment 89844 [details] Screenshots
Reproducible for me too. During update button is still on top of menu but when update ends it's moved to end of menu. Version: 2.2.0
Appears to be fixed in git master (upcoming release for plasma5)