Unreal Engine Issues
Unreal Engine Issues
Sky artefacts when Cast Cloud Shadows enabled
UE - Graphics Features - Jul 20, 2021Generate Lightmap UVs Fails Very Frequently on FBX Imported Meshes
UE - Editor - Content Pipeline - Import and Export - Sep 24, 2019Generate Lightmap UVs fails very frequently on FBX imported meshes. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8971176 ...
Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior
UE - Simulation - Physics - Nov 21, 2024Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...
The Editor may crash in PIE mode if the Engine was built from source code using the Debug Editor configuration.
UE - Gameplay - Blueprint - Dec 4, 2014Building the Engine using Debug Editor configuration can result in a crash if a project is run in PIE mode. No crash occurs in the same project if the Engine is built using Development Editor config ...
Crash in UCanvas::K2_DrawMaterial wioth VideoStreamComponent
UE - Graphics Features - Nov 11, 2021VT Lightmaps render different results and no shadows
UE - Graphics Features - May 21, 2020VT Lighmaps don't have the same results as the regular lightmap counterpart and don;t render shadows. https://udn.unrealengine.com/questions/578318/lightmaps-different-after-switching-to-virtual- ...
Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false
UE - Gameplay - Player Movement - Mover - Mar 10, 2025Calling UMoverComponent::IsModifierActiveOrQueued() immediately after calling UMoverComponent::K2_QueueMovementModifier() will return false. Checking the code, IsModifierActiveOrQueue() calls FindMo ...
BP using nested child actor components in streaming level causes ensure condition failed
UE - Simulation - Physics - Solver - Jul 11, 2022This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...
Crash when client tries to connect to server instance using WP
UE - World Creation - Worldbuilding Tools - World Partition - Apr 10, 2023Watch Pin Crash on Softclasspath
UE - Gameplay - Blueprint Editor - Mar 26, 2020Mousing over a softclasspath pin from a struct while debugging a Blueprint can lead to a crash. ...