Back/Forward caching is available now (bfcache) on Edge Version 89.0.734.0

This is a demo of how it boosts browsing speed:

https://www.youtube.com/watch?v=eusKoHPAWtU

need to be enabled using this flag: edge://flags/#back-forward-cache

on Edge Version 89.0.734.0 (Official build) canary (64-bit)

more info