Unlike most settings, the Client just assumes it knows the correct Break Speed multipler, and doesn't ask the server about it.
This has the problem where:
User with breakSpeed connected to unmodded server tries breaking a block -> Block comes back because they broke it too fast
Unmodded user connected to server with breakSpeed tries breaking a block -> Block takes normal amount of time to mine, as the client assumes the breakspeed is still slow
Fix:
Make ModifyConstant HorseBreakSpeed exclusive to Singleplayer
Unlike most settings, the Client just assumes it knows the correct Break Speed multipler, and doesn't ask the server about it.
This has the problem where:
breakSpeed
connected to unmodded server tries breaking a block -> Block comes back because they broke it too fastbreakSpeed
tries breaking a block -> Block takes normal amount of time to mine, as the client assumes the breakspeed is still slowFix: