Yes, some people still don't realize that e-filing an amended return is like emailing IRS a pdf.  It goes in the processing grinder a few days earlier than one that is mailed. 

Status of Processing Form 1040-X, Amended Individual Tax Return: As of June 3, 2023, we had 1.49 million unprocessed Forms 1040-X. We are processing these returns in the order received and the current timeframe can be more than 20 weeks. Please don't file the same return more than once. Taxpayers should continue to check Where's My Amended Return? for the most up to date processing status available.