Unreal Engine Issues
Unreal Engine Issues
Array index out of range with StopTree
UE - AI - Mar 26, 2019Crashes when exiting PIE while executing multiple async tasks. By explicitly executing EndTask and FinishAbort of RecieveAbort, this caused by performing out-of-range in array access to InstanceStac ...
Crash using the Dataprep tool (MaterialShared.cpp)
UE - Editor - Content Pipeline - Datasmith - Importer - Mar 25, 2019The files in the linked case contain a project with a Datasmith scene and updated .udatasmith files that contains changes to the imported scene. When using the Dataprep Tool to import the updated sc ...
Niagara GPU Emitter Flickering at Certain Angles When the System Origin is Occluded
UE - Niagara - Mar 25, 2019Niagara GPU Particle Flickering at Certain Angles When the System Origin is Occluded. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 Preview 6 CL# 5439949, and 4.23 CL# 5533539 ...
Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material
UE - Niagara - Mar 25, 2019Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material. Working as expected in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 Preview 6 CL# 5439949 and 4 ...
Blueprint iOS projects can't package For Distribution
UE - Platform - Mobile - Mar 23, 2019This issue doesn't occur using a project with source code This issue doesn't occur in a blueprint project if For Distribution is disabled (using a development certificate and provision) So far this ...
[CrashReport] UE4Editor-Engine!UBlendSpaceBase::GetSamplesFromBlendInput(FVector const &,TArray<FBlendSampleData,FDefaultAllocator> &) [BlendSpaceBase.cpp:677]
OLD - Anim - Mar 22, 2019Generated from CrashReporter ...
tvOS banner and App thumbnail do not appear on device; errors during app upload to Apple
UE - Platform - Mobile - Mar 22, 2019When a user packages or launches onto tvOS it will be missing the thumbnail and the background banner. This may be a dupe of [Link Removed] but I have created this as this was confirmed to be worki ...
ForceActorRelevantNextUpdate will only force an update on the first connection
UE - Networking - Mar 21, 2019The ForceActorRelevantNextUpdate will only trigger an update on the first connection in the list. Note that the ForceActorRelevantNextUpdate does not work on dynamic actors since their ActorChannel ...
Second player's screen does not render in Split Screen on Android
UE - Platform - Mobile - Mar 21, 2019The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with [Link Removed]. The ...
Editor will freeze if anim composite has an animation with a notify and length of 0
OLD - Anim - Mar 21, 2019An anim composite will freeze the editor if one of its animation segments has a a notify and a length of 0 or less. Debugging shows that the engine is stuck inside UAnimSequenceBase::GetAnimNotifies ...