I'm thinking this is only some leftover krausen but it looks kind of weird so I figured I'd just ask. I'm racking to my bottling bucket anyway. I took a sample and it tastes fine
I was terrified by the year-old squash you had in there until I realized it is probably just a hop bag.
I just had a beer that looked just like that. Actually the leftover krausen was thicker and more widespread. I assumed it was fine and racked from underneath. I'll let you know if I die later.