Unreal Engine Issues
Unreal Engine Issues
Regression in editor performance in D3D11
UE - Rendering Architecture - RHI - Mar 3, 2021D3D11Commands.cpp is doing FName resolutions in the critical fast path. This looks to be a regression from the memory freezing refactor. ...
SphereCast_GlobalDistanceField does not compile
UE - Niagara - Mar 3, 2021The sphere cast module has some custom HLSL that calls QueryMeshDistanceFieldGPU, the signature for the function changed, but the HLSL wasn't updated to match so it fails to compile. ...
Loading instanced static mesh causes memory leak in packaged game
UE - World Creation - Worldbuilding Tools - Foliage - Mar 3, 2021The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...
Video does not loop correctly in ElectraPlayer
Media Framework - Mar 3, 2021Observe the video does not loop correctly. It only plays a portion that gets shorter with every loop until playback ultimately stops. ...
Cannot move movable components of actors if using drag if PIE or Simulate
UE - Editor - Workflow Systems - Mar 3, 2021If the actor is in sublevel and user play simulate or PIE, the actor can't be moved by drag gizmo. Even if under the same conditions, editing transform of detail panel work properly. So I guess that ...
Deleting MPC referenced in material layer cause editor crash.
UE - Graphics Features - Mar 3, 2021RVT that is set up following the Quick Start Guide shows a flat black texture
UE - Graphics Features - Mar 2, 2021A user has reported on salesforce that their RVT material is returning black. After following the publicly available Epic Quick Start guide online I encountered the same issue. The ticket was repor ...
Soft object reference variables have their default value greyed out
UE - Gameplay - Blueprint - Mar 2, 2021When creating Soft Object Variables of Actor or Character blueprints, the default value of the variable is greyed out and unable to be changed. I was able to create a Soft Object Reference of the Th ...
Max Depenetration Velocity cannot be set to zero after setting it to a non-zero value
UE - Simulation - Physics - Mar 1, 2021It seems that when setting the Max Depenetration Velocity to a non-zero value, you are then unable to set it back to 0. Tested in //UE4/Release-4.25 @ CL 14469661 and this did not occur so marking ...
Duplicate linked anim layer interfaces cannot be added to an anim BP
UE - Anim - Runtime - Anim Blueprints - Mar 1, 2021Duplicated anim layer interfaces cannot be added to the same anim BP. While UEdGraph::GraphGuid is unique within a bluprint, it is not unique within the project as a whole (see [Link Removed] for m ...