A few general examples are an inability to do basic css anymore, and the copy it writes is so obviously written by a bot, whereas before it could do both really easily. To the people that will say you've gotten lazy and write bad prompts now, I make basic marketing websites for a living, i literally reuse the same prompts over and over, on the same topics, and it's performance at the same tasks has markedly decreased, still collecting the same 20 dollars from me every month though!