Possible bug. GPT-5 now using some weird formatting for writing

ChatGPT Bugs
1

Hello. GPT-5 was writing normally, but now I noticed that it now writes in a different format that’s not markdown or reasoning.

When I asked it, it said it was a format called Writer’s Block. Is this a new change they made to the format for creative writing or is this just some weird bug? And has anyone else here encountered this?

Here’s some pictures:

IMG_0873
IMG_0873828×1792 135 KB

IMG_0872
IMG_0872828×1792 133 KB

2

Update: I just tried it with an older chat and it doesn’t have the formatting as seen in the screenshots. So maybe it’s just a bug that only affects new chats? Hopefully they fix it soon assuming it is a bug.