Unreal Engine Issues

Movement corrections occurring while standing still on rotating platforms

When the player is controlling a Character actor, using the CharacterMovementComponent (CMC), unexpected movement corrections will occur while standing still on a movement base that is rotating. ...

JumpMaxCount and JumpMaxHoldTime not replicated

Character Jump Height is dependent on framerate

Character jump height is dependent on framerate, where lower framerate can result in reduced jump height. ...

Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

Netshowcorrections not showing corrections

Very few net corrections are displayed when using p.NetShowCorrections. Note: The attached image shows the results using the same settings in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.23.1 CL#96314 ...

Character Movement Mode in Water Volume is affecting all clients

Strange behavior concerning Character Movement Network Replication and a Water Physics Volume.  Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...

UCharacterMovementComponent OldVelocity is pre-additive while Velocity is post-additive

In UCharacterMovementComponent code such as PhysFalling, RestorePreAdditiveRootMotionVelocity is called before FVector OldVelocity = Velocity; leaving OldVelocity in a pre-additive state making furt ...

Character becomes stuck when sliding down steep unwalkable capsules

Characters can become stuck and unable to move as they slide against very steep capsule collision. This seems to be caused as a result of ProcessLanded begin called within UCharacterMovementComponen ...

Disabling 'Maintain Horizontal Ground Velocity' -> incorrect velocity reported when colliding in negative directions

With  'Maintain Horizontal Ground Velocity' disabled in the first person character - velocity is not set to zero when stopped by collision while moving in a negative direction. Confirmed in 4.23 ...

Simulated Proxies using UCharacterMovementComponent slide around after moving

UCharacterMovementComponent::SimulateMovement line 1729 checks: if (!bHandledNetUpdate || !bNetworkSkipProxyPredictionOnNetUpdate || !CharacterMovementCVars::NetEnableSkipProxyPredictionOnNetUpdate) ...