Fixing the "Back button" not working on iOS 13
Starting from iOS 13, a change done at the browser level started to cause issue with the back button. This issue is due to the full page transition (with the page fading out when clicking on a different link). To fix the issue, you need to turn off this setting (as a side note, the full page transition, while visually interesting, also started to cause issue for Page Speed, as this feature works by adding an artificial delay of 150ms when you leave the page). This feature has been disabled by default on all the newer versions of our theme, so we encourage you to disable it as well.
To do that, open the theme editor and click on "Theme settings" at the bottom:
Then click on "Animation":
Finally, turn off the "Show page transition" setting, and click Save: