Not sure if this is just because I’m doing things users aren’t expected to do, but I noticed the topic progress bar just started acting weird.
It covers posts at certain widths.
It correctly collapses when it narrows:
But when it narrows further it expands again:
Here is a video of the behavior:
I first noticed the issue on my forum where I’d used CSS to make the Desktop View fit on mobile screens to get the embedded posts for quotes. It worked fine for months and I only just noticed I no longer had a topic progress bar on small screens. Here’s how it acts on my site (this is in Desktop View):