I have 'view unread' as my first landing page for our forum.
Before HTTPS, I'd load the unread page, click on a "new" link, read/respond/whatever, then press back.
Upon using back button, the same list would appear, including the one I'd just read, until I refreshed.
This all makes perfect sense to me, caching and all.
When we went HTTPS, after clicking new, then going back, I no longer would have to refresh.
The most current page would be shown instead of the previously cached page.
That changed sometime yesterday or day before.
My browser version has not changed (Firefox).
My settings, to my knowledge, have not changed.
Another non-SMF (Vanilla) forum system I frequent still acts the way I'm used to.
Did anything change on our forum to anyone's knowledge?