Unreal Engine Issues
Unreal Engine Issues
BuildGraph XML Errors Logged Incorrectly
UE - Foundation - Horde - BuildGraph - Aug 30, 2019Suggested fix from licensee: After investigation, it seems that the filename is passed as a string instead of a FileReference in Script.cs:84. Fixing the issue seems to be as simple as changing th ...
Cloth jitters in Movie Render Queue renders when temporal sampling is enabled
UE - Anim - Sequencer - MRQ - Dec 6, 2022The Cloth simulation time step smoothing is interfering with the substepping fix for multi Temporal Samples by changing the very variable DeltaTime and causing some large errors in the cloth simulat ...
Timing appears to be different for the first call of tick
UE - Gameplay - Nov 30, 2016Timing appears to be different for the first call of tick causing the camera to appear in a different area than what it was in 4.13 This issue appears to be a regression ...
Disabling Use Localized Graph Editor Nodes and Pins causes split struct pin names to disappear when compiling
UE - Editor - UI Systems - Localization - Oct 19, 2016If the Use Localized Graph Editor Nodes and Pins option is disabled, compiling a blueprint will cause the pin names from any split struct pins to disappear. Regression?: Yes This occurs in 4.13.1 ( ...
Importing an Alembic File While mesh Distance Fields are Enabled Crashes Editor
UE - Gameplay - Sep 15, 2016When importing alembic files into a project that has "Generate mesh distance fields" enabled the editor will crash. ...
[CrashReport] AppleIntelBDWGraphicsGLDriver!USC::CPassSsaAllocatorContext::RollbackSpillFillToCopies()
UE - Platform - Apple - Sep 2, 2016Error message: SEGV_MAPERR at 0x3a Source Context: Most recent user affected CL: 3106830 (4.13.0) Logs: [Link Removed] [Link Removed] [Link Removed] CrashReporter User Descriptions:UE4.13 immed ...
Engine crash when Scene Capture Component 2D is added to viewport with forward rendering
UE - Graphics Features - Nov 26, 2016If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...
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 ...
Chaos Cloth: NaNs can be introduced from bad AnimatedPositions/Normals
UE - Simulation - Physics - Character - Aug 17, 2024We've worked out at least a possible way this can occur from using uninitialized AnimatedNormals values when changing LODs. Ensuring all AnimatedNormals are initialized appears to fix the problem. ...
Procedural Sound Wave Fails to Play when returning 0 bytes in GeneratePCMData callback
UE - Audio - Aug 2, 2016Returning 0 bytes in GeneratePCMData results in the procedural sound wave not continuing to play audio. Instead of returning 0, we need to return an empty buffer if the procedural sound wave doesn't ...