Steps to reproduce:
- Go to https://de.wikipedia.org/wiki/Wikipedia:Hauptseite
- Click any link to an existing article.
- Click the edit tab for VE.
- Click the back button in your browser.
Expected: You return to page you visited in step 2 in read mode.
Actual: Nothing happens.
- Click the back button a second time. Now you are back in read mode.
- Click the edit tab again.
- Click the back button again.
Expected: You return to read view.
Actual: You return to the main page.