On one of my PCs (Firefox/Windows), the progress charts consistently only react to hovering over the first activity. Hovering over the second or any subsequent activity does not show the numbers/date.
I’ve tried Firefox Troubleshoot mode (extensions, themes etc disabled) with no change. On my laptop (Firefox/Linux) it works just fine. Think I’ve done what I can to flush caches etc. I don’t see anything obvious in the console. Can’t make sense of what would cause this difference in behaviour.
Hovering over the first activity:
Hovering over the second activity:


