Unreal Engine Issues

Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks

Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...

Post Process Material + Stereo Rendering = Left Eye Black

Left Eye Renders black in VR when a PostProcess Material is applied. On Quest Right eye renders post process mat and left eye renders scene, but upsidedown. Also occurs in Packaged Project and/or ...

Crash/ensure when linking anim layers from animation update

Originally reported here: https://udn.unrealengine.com/questions/562047/linked-layer-animation-blueprint-proxy-missing-ske.html When linking an anim layer during update, we get either an ensure or ...

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

pose search cook determinism issue

Actors with Net Load On Client disabled still appear on Clients when Use Single Process is disabled

Actors with Net Load On Client disabled still appear on Clients when Use Single Process is disabled. Does NOT occur in packaged projects. Test project included. Set Use Single Process to false in E ...

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

Crash occurs when debug filter pop out tab is clicked while in line tab is present

There is a crash that is occuring when resizing windows with the debug filter popped out. The Debug filter that gets popped out is persistant and does not disappear when the the in line option appea ...

Replication issues & warnings if a client hitches while the server seamless travels

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...

Changing Static Mesh for a mesh with overridden materials should NOT reset materials

Sometime recently, the behavior of changing a static mesh changed. A very common operation is to want to change a mesh, while keeping material override. Here I have a sky mesh, and the material is ...