I was just thinking about this after watching the fabulous Ron Howard movie "Eight Days a Week" on Hulu.
If you have not seen it, it's a must see. Great concert footage and nice piece of research on the boys.
The breakup was not covered (just as well) but shortly thereafter, on McCartney's second solo effort (RAM) he took a few backhanded swipes at John.
https://www.youtube.com/watch?v=5HfueUL2LeYThe rebuttal came swiftly on the "Imagine" album, with a beautifully woven and "rub your nose it it" response with "How Do You Sleep?".
My favorite part by a mile besides the humorous nature behind all the sniping though, is the absolutely outstanding slide guitar by George Harrison beginning at 2:49 and running through 3:22.
https://www.youtube.com/watch?v=bu9GMFxvWiE