Unreal Engine Issues
Unreal Engine Issues
Importing fbx with armature resulting in crash
UE - Editor - Content Pipeline - Import and Export - Jan 20, 2020Importing an fbx file with armature on MAC results in crash Tested: 4.23.1 CL#9631420, 4.25 CL#10889200 ...
scroll box inside retainer box does not respect scroll box clipping
UE - Editor - UI Systems - Feb 14, 2018There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...
Sequencer Media Tracks trigger crash when an ImageSource is added
Media Framework - Jun 18, 2020The same callstack appears in 4.24.3 (CL-11590370) but only when playing a Sequence with a Media Track that has a ImgMediaSource and Media Texture set on it. These repro steps work for 4.25 and 4.26 ...
TimeSynth when reactivated doesn't continue playback from where it was deactivated
UE - Audio - Dec 9, 2019This issue only occurs with -audiomixer passed into the Engine (4.23) and in 4.24/4.25 where it is enabled by default. The user tried deactivating and reactivating Time Synth component to pause it ...
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Camera FOV Above 90 Causes Landscape LODs to Flicker
UE - LD & Modeling - Terrain - Landscape - Apr 17, 2019Camera FOV Above 90 Causes Landscape LODs to Flicker Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5934407 ...
Adding an LOD while in PIE or Simulate Cauases the Editor to Crash
UE - Niagara - Apr 29, 2019If you add an LOD while the editor is simulating or playing, the Editor Crashes. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6063286 ...
Crash When Trying to Find a Blueprint Class with Niagara Particles
UE - Niagara - May 22, 2019Crash When Trying to Find a Blueprint Class with Niagara Particles Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...
Niagara Crash After Adding More Than 20 Emitters to a System
UE - Niagara - May 24, 2019The Editor will crash after adding more than 20 Emitters to a system. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...
Datasmith Importer stalls Editor when importing large Rhino files
UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018Importing large Rhino files will cause the Editor to stall during the import process for a long time. When testing the attached file the Editor stalled close to an hour with no results. The attached ...