[CrashReport] UE4Editor_Engine!ReleaseVertexBuffer() [dynamicmeshbuilder.cpp:299]

UE - Graphics Features - Mar 16, 2018

No user comments in crash group 296 static void ReleaseVertexBuffer(FVertexBuffer& VertexBuffer) 297 { 298 ***** if (VertexBuffer.VertexBufferRHI->GetSize() <= FGlobalDynamicMesh ...

Spawned particles on the surface of a static mesh in Niagara get offset if the actor is anywhere but the world origin

UE - Niagara - Jun 11, 2018

Particles that are spawned using the surface of a static mesh will be offset from the systems placement in the world unless it is at world origin.  Working as expected in 4.19 CL# 4033788 Found in ...

"Expose on Spawn" variables in Actor Components are overridden by the details value.

UE - Gameplay - Aug 2, 2018

"Expose on Spawn" variables in Actor Components are overridden by the value set in their Details Panel when called in another Blueprint. This issue was reported and tested in 4.20.1 (CL-4233996). ...

Ensure when pasting copied nodes into an Object

UE - Gameplay - Aug 7, 2018

When copy and pasting nodes from an Actor Blueprint to an Object Blueprint the Editor stalls for a bit and an ensure occurs. This issue was reported and tested in 4.19.2 (CL-4033788). This issue ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

Tools - Aug 31, 2018

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

UE - Anim - Sequencer - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

BuildGraph builds some tools for Win32 even if Win32 is excluded from the build

UE - Foundation - Cpp Tools - Jan 16, 2019

When creating a local binary build of the Engine using the BuildGraph, there are several tools that are built for Win32 even if Win32 was specifically excluded from the BuildGraph (ie. -set:WithWin3 ...

Undetected infinite loop on spline creation

UE - Gameplay - Blueprint Compiler - Mar 16, 2019

It is possible to create spline logic that will not be detected by infinite loop detection. Also hangs if executed in Event Graph on Begin Play. If saved but not compiled and placed in Editor Star ...

Procedural Foliage Volume: Simulate() function doesn't work in Blue Print

UE - World Creation - Worldbuilding Tools - Foliage - May 10, 2019

Procedural Foliage Volumes can be resimulated by clicking the Resimulate button. But they can't be resimulated from Blueprints, even if there is a Simulate() function that can be executed. Found in ...

Mobile VR - Render Targets not working with Mobile Multi-View

UE - Platform - XR - Jun 6, 2019

Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with [ ...