There are 3 fixes you need to implement. The first box is what you should find in the script, the box below it is what you should replace it with. Just do that for each of them and it should work again. Either use ctrl+f to find relevant section or see the line numbers for each fix.
Fix for video DL here: https://greasyfork.org/en/scripts/423001-twitter-media-downloader/discussions/244053
There are 3 fixes you need to implement. The first box is what you should find in the script, the box below it is what you should replace it with. Just do that for each of them and it should work again. Either use ctrl+f to find relevant section or see the line numbers for each fix.