User created constraints have a default joint name of "UserConstraint" that cannot be edited

UE - Simulation - Physics - Dec 6, 2018

Constraints created by users are all given the same Joint Name of "UserConstraint" and it cannot be edited. This makes referencing these joints individually impossible. Regression?: No This occurs ...

UReplicationGraph::InitializeForWorld needs to clear the global actor info map

UE - Networking - Dec 6, 2018

The global actor info map is not completely cleared in UReplicationGraph::InitializeForWorld, which can leave stale actor references from the previous level (WorldSettings, and possibly others) afte ...

Copy-pasted user created umg not updating if the template was modified

UE - Editor - UI Systems - Dec 5, 2018

When copying/pasting a user created Widget into another widget any changes made to the copy will change the main Widget without making any changes to the copy. ...

Changing Levels Does't Clear Global DistanceField

UE - Graphics Features - Dec 5, 2018

In a packaged game or standalone, if you change map with DFAO enabled the previous DFAO will still be visible. This does not occur in PIE. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4613 ...

Walking on a movable TG_PostUpdateWork produces incorrect component positions

UE - Gameplay - Player Movement - Dec 5, 2018

When an actor set to movable and ticking with TG_PostUpdateWork is walked over, the character's capsule component position is incorrect during movement. ...

Static Mesh's Simple Collision does not mirror collision orientation when mirrored

UE - Simulation - Physics - Dec 5, 2018

Created Static Mesh Actor's Simplified Collision boxes do not mirror Collision Orientation when mirrored in the World/Editor. ...

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

UE - Simulation - Physics - Dec 5, 2018

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...

ContributeToMass not working when simulating physics

UE - Simulation - Physics - Dec 5, 2018

Un-checking the ContributeToMass setting on any part of a physics asset results in an ensure when simulating physics.  ...

GameplayTag category filters do not function on BP SET nodes.

UE - Gameplay - Dec 4, 2018

BP SET nodes for FGameplayTags do not respect category filters, instead the dropdown shows an unfiltered list of all gameplay tags. Given the MyValue property decorated as follows: UPROPERTY(Edit ...

"Convert to Blueprint" removes ability to edit component properties

UE - Gameplay - Blueprint - Dec 4, 2018

As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...