Moving a Copy of an Actor from Persistent to Sublevel Dirties Persistent Level

Tools - Aug 18, 2017

Using Alt-Drag to move a copy of an actor from the persistent level to a sublevel (when the sublevel is selected as the current level in the Levels window), the persistent level is getting marked as ...

Anim Dynamic state does not reset when closing sequencer

UE - Anim - Sequencer - Apr 1, 2019

When using Anim dynamics in an animation. The actors affect stop in their current state once the sequence controlling the anim dynamics is closed. They do not appear to reset to their default state ...

Sequencer does not save asset variables in event struct

UE - Anim - Sequencer - Jul 31, 2018

When adding a struct to a keyframe, Object Reference variables are not saved and Soft Reference variables are saved sometimes. Opening a keyframe's properties when the selected struct has an object ...

The packaged build of a project that has a strong pointer initialized to nullptr immediately closes on launch

UE - Foundation - Core - Aug 2, 2019

When a strong pointer is set to null the packaged build of the game will immediately close. No crash logs were were made and no Saved folder was made (<Project Name>/Saved/Logs). An example project ...

Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target

UE - Graphics Features - Jan 23, 2019

An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target"  Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...

Line trace fails to detect Destructible Mesh

UE - Simulation - Physics - Destruction - Jun 15, 2015

When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...

Shadows are Heavily Aliased with PCSS Enabled

UE - Graphics Features - Apr 11, 2019

Shadows are exetremely rough and aliased if r.shadow.FilterMethod is set to 1.  Working as expected in 4.21 CL# 4753647  Found in 4.22 CL# 5660361 and 4.23 CL# 5810496 ...

Changing transform of simulated component during physics freezes motion

UE - Simulation - Physics - Oct 13, 2016

If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...

Lit Translucency Receiving Shadows with Forward Shading Enabled

UE - Graphics Features - Aug 13, 2018

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

Cannot resize comment box when new comment is created on top

UE - Rendering Architecture - Materials - Apr 27, 2017

Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...