I edited this question to show smaller screenshots.
When I came back to the question, my edit was gone:
It still says I edited the question:
My edit is still the most recent edit in the revision history. But it includes some text changes I didn't make, so it looks like it was rolled in to someone elses edit... or something:
I hit the [edit] link and my edit is already there:
I've viewed the question on a few devices on different connections so it's not a local cache issue my end. I thought maybe it was a caching issue but I've waited 30 minutes now and the edit previous to mine is still visible. I even tried re-saving the edit with no luck, so... What's going on?