I have held off on starting a thread on this, but I hope that I can put this in without derailing the thread, as the OP came close to stating it outright:
There continue to be large numbers of threads, with hundreds upon hundreds of posts, trying to fix 5e class imbalances. I see brilliant new ideas” to spice up 5e combat due low challenge or boredom which borrow 4e innovations. I find it amusing that many of these solutions utilize concepts which were formative for 4e. Essentially, the way to fix WotC-era D&D is by making 4e.