Unreal Engine Issues
Unreal Engine Issues
References to original assets/widgets are left behind when replacing them in UMG
UE - Anim - Sequencer - Jul 21, 2022StaticMeshComponent occasionally doesn't simulate physics after SpawActor.
UE - Simulation - Physics - Aug 23, 2022When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...
Global Distance Field Precision Issues Far From Origin
UE - Graphics Features - Jan 26, 2023[Enduring] Appears to be in the visualization rendering of the distance field, distance field shadows were unaffected. There was one instance where the bug did not replicate as expected. This was wh ...
Deferred spawned actors can receive BeginPlay before they are finished spawning
UE - Framework - Performance - May 18, 2023Actors that are deferred spawned on BeginPlay can be added to the world while AWorldSettings::NotifyBeginPlay is still iterating the world's actors and dispatching BeginPlay. AActor::DispatchBeginPl ...
Editor crashes when replacing Packed Level Actor assets during asset deletion process
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 6, 2024Switching between play / simulate in vcam can cause editor to crash.
UE - Virtual Production - Tools - Pixel Streaming - Apr 24, 2024Originated from UDN case: [Link Removed] ...
[PCG] Delayed PCG Component Unregister causing stale pointer crash
UE - World Creation - Procedural Tools - PCG Component - Jun 11, 2024Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location
UE - Simulation - Physics - Destruction - Jun 22, 2025Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location. When that flag is true, the moment the GeometryCollection (GC) ...
Importing an Alembic File with "Skip Empty Frames at Start of Alembic Sequence" Enabled Causes Crash
OLD - Anim - Jul 13, 2018Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...
Contact Offset no longer appears to have an effect
UE - Simulation - Physics - Jan 15, 2019When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...