From source: "What does this mean for developers? HTTP/2 was designed from the beginning to be backwards-compatible with HTTP/1.1. That means developers of HT

From source: "What does this mean for developers? HTTP/2 was designed from the beginning to be backwards-compatible with HTTP/1.1. That means developers of HTTP libraries don't have to change APIs, and the developers who use those libraries won't have to change their application code. This is a huge advantage: developers can move forward without spending months bringing previous efforts up to date."