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by treve 1124 days ago
I relate to the general concern about complexity creep a lot, but in the HTTP/1/2/3 case I'm just not terribly worried. So much effort has been put into backwards compatibility. The only potential true new concept that comes to mind is PUSH, which clients can ignore and mostly failed. HTTP/2 has been around for almost 10 years and I haven't seen a single implementation require it.