I’ve never seen this before, but a few times in the past couple of days I’ve had posts not save. These were long-ish posts but I don’t think anywhere near the longest I’ve ever posted or seen others, so not sure if there’s a bug. If there is a limit, it would be helpful to see a “characters left to type” kind of a counter so one doesn’t type out a long post only to have it disappear without explantion.
I do have a screenshot where I did watch to see what it did:
The post above was 454 words, 2,444 char. I did remove the bottom paragraph and it posted.