Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_RHI!TSet<TTuple<FBoundShaderStateKey,FCachedBoundShaderStateLink * __ptr64>,TDefaultMapHashableKeyFuncs<FBoundShaderStateKey,FCachedBoundShaderStateLink * __ptr64,0>,FDefaultSetAllocator>::FindId() [set.h:629]
UE - Graphics Features - Mar 23, 2018No user comments in crash group 620 FSetElementId FindId(KeyInitType Key) const 621 { 622 if (Elements.Num()) 623 { 624 for(FSetElementId ElementI ...
Pawn Blueprint cannot have variables default value set in Engine ini
UE - Gameplay - Blueprint - Jun 1, 2017When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...
OnParticleCollide doesn't return Velocity on every bounce
UE - Niagara - Jun 2, 2017OnParticleCollide doesn't return Velocity on every bounce. In code it lists all the return pins trigger 'on kill'; however, all other pins return correctly on each bounce but the velocity does not. ...
WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node
UE - Rendering Architecture - Materials - Jan 31, 2024This comes from this UDN : [Link Removed] It occurs with this setup : [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...
SetActorEnableCollision does not affect Destructible meshes
UE - Simulation - Physics - Destruction - Jan 4, 2016Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...
Setting PHYSX_MEMORY_STATS to 1 prevents the Engine from being built successfully.
UE - Simulation - Physics - Mar 9, 2015If #define PHYSX_MEMORY_STATS 0 is set to 1, the Engine will not build successfully. The build fails with the message: error C2338: FPhysXAllocationHeader size must be less than 16 bytes. ...
Screen Space Reflection Quality seems Inaccurate or Misleading
UE - Graphics Features - Jul 12, 2016A user has reported the SSR quality on Macs has no visible difference between 60.0 to 100.0. I was able to confirm this is the case and also found this to be true on PC as well. I noticed that the ...
Spinbox displays values that differ from the value of the delta
UE - Editor - UI Systems - Nov 1, 2017Spinbox displays values that differ from the value of the delta, when values are displayed for a spinbox their value always reads in the 0.000001 values, instead of listening to the delta. Unsure if ...
Double Properties break reset to default and inherited value propagation
UE - Gameplay - LWC - Apr 13, 2022This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...
Chained physics constraints do not work correctly when one constraint is limited
UE - Simulation - Physics - Aug 12, 2017A chain of physics constraints that includes a physics constraint that is set to Limited does not work correctly. When collision occurs, the attached actors start moving erratically. Regression?: N ...