Unreal Engine Issues
Unreal Engine Issues
Foliage is visually missing in HTML5
UE - Platform - Mobile - Jun 26, 2018Foliage is visually missing in HTML5. This is a new issue and does not occur in 4.19, I believe that it may be correlated to this issue here.https://jira.it.epicgames.net/browse/UE-59573 ...
Player/Visibility Collision Doesn't Work with InstancedStaticMesh
UE - Simulation - Physics - Jul 24, 2018Player/Visibility Collision doesn't work with InstancedStaticMesh or HierarchiInstancedStaticMesh components. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4221482 ...
Cube Render Target "Size X" Is Being Set as Y
UE - Graphics Features - Jul 30, 2018The cube render target "Size X" is being set as Y. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4234136 ...
Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error
UE - Gameplay - Aug 9, 2018A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...
Volumetric Lightmap Holes Appear Every Fifth Build
UE - Graphics Features - Sep 11, 2018Volumetric lightmap holes appear every fifth build. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...
TestEqual(TCHAR*, TCHAR*) function is testing pointer equality instead of values
UE - Automation Test - Oct 1, 2018A licensee has reported that the TestEqual(TCHAR*, TCHAR*) function tests for pointer equality instead of comparing two values, which does not accomplish what the function is meant to do. Regressio ...
GameplayTask classes that have a BeginSpawningActor function never call the Activate function
UE - AI - Oct 3, 2018A class that inherits from GameplayTask which also has a BeginSpawningActor function will not have its Activate function fired properly. Removing this function causes it to fire properly. Regressio ...
RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled
UE - Gameplay - Blueprint - Apr 5, 2019The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...
Cannot change Collision Profile of BP component instances
UE - Simulation - Physics - Oct 24, 2019BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...
Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.
UE - Niagara - Nov 29, 2019The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...