NOTE, this was tested on realms. Player knockback is broken after the latest update (not 100% sure if this bug is in mc preview). Basically when another player hits you u normally take abit of knockback but now you go absolutely flying (not literally). The bug is amplified when the player punching the other player is moving. NOTE, this was tested with multiple items in the players hand including just the fist and the results were still the same
Related issues
is duplicated by
MCPE-191426
"Problem 1 Knockback increase(it has excelled to a greater amount so it's harder to do things such as combo)
MCPE-191452
"Problem 1 Knockback increase
MCPE-218114
Mobs deal excessive knockback compared to normal in Bedrock Preview 1.21.90.21 (PS5)
MCPE-218270
Hitting mobs/players
MCPE-219465
When hitting you deal more knockback than on previous versions
MCPE-220997
Issues with Physics and General PVP mechanics after updates from 1.21.51.1 onwards
Comments
AgentMindStorm2
Johnnyhg
Still not fixed
Johnnyhg
Still not fixed, unblievable
Luxy
1.21.80 and still not fixed how long will this take
Nagy Andrei
It happened to me in preview, it happens with mobs too
A Playstation player
This is related to the server authoritative movement changes from 1.21.60. Reverting the pointless server auth movement change (that also causes many other issues) will fix this bug.