I have noticed this a few times now.
I put a quote in my post replying to someone else’s forum post, I then type out my reply under it. However when I actually make the post, the quote vanishes.
Most recent example is the reply I just did here: https://forum.lastepoch.com/t/pause/42353/16
I had included SirFreckle’s post as a quote at the top when I typed that out but it vanished upon posting it.
For reference, done in Chrome 92.0.4515.107 64 bit official on Win 7.
I think this is how the forum software (discourse) works… If you reply to someone and try and quote more than a small bit of it from the reply the forum software seems to auto remove the quote… I have had this happen to me before - it kept the quotes from other posts but cleared the quote from the message I was directly replying to…
If you quote the entire post without changing it in any way, then yes, the forum software will remove the quote. If you do something to the quoted text (remove a space or add one or something) then it will keep the quote.
There’s just no good reason to quote an entire post in one block.