Unreal Engine Issues
Unreal Engine Issues
Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)
UE - Gameplay - Blueprint Editor - Mar 27, 2019Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...
RepLayout CompareObject should treat weakpointers with different index and serialnumber as different even if both resolve to null
UE - Networking - Mar 27, 2019When comparing Object references in RepLayout weakpointers that does not share the same index and serialnumber should be considered different even if they both resolve to null. ...
HLODs appear to be calculated individually instead of as a group
UE - World Creation - Worldbuilding Tools - HLOD - Mar 26, 2019The way in which Hierarchical Instance Static Mesh LODs' screen size is calculated appears to have changed. ...
Need to focus in Sequencer window for arrow hotkeys to work each time when scrubbing the timeline
UE - Anim - Sequencer - Mar 26, 2019The Sequencer timeline can't be scrubbed with the arrow keys because the Sequencer Window loses focus after an arrow key is pressed. This is a regression from 4.21.2 (CL-4753647) where repeated arro ...
Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature
UE - Foundation - Core - Mar 26, 2019The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...
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 ...
Editor crashes when using Convolution Bloom executing High Resolution screenshot.
UE - Graphics Features - Mar 25, 2019I confirmed in UE4.21.2. I attached the project to reproducte the problem. ...