Steps to reproduce:
- Go to this page: https://en.wikipedia.org/wiki/Main_Page.
- Open the User Menu and choose any of the options from the drop down to navigate away from this page.
- Click on the back button on browser.
Observed Result: The User Menu drop down stayed open even after navigating away from the page.
Environment: Beta cluster, en.wiki.
QA steps
Please perform the following steps in Safari, Chrome, Edge, and Firefox:
- Login to beta and go to https://en.wikipedia.beta.wmflabs.org/wiki/Dog?vectorstickyheader=1&useskinversion=2
- Click the user menu
- Click the Talk menu option
- After talk page has loaded, click your browser's "back" button
- Verify that the user menu is not open