Unreal Engine Issues
Unreal Engine Issues
Reduce the overhead of World Partition cells UObjects on GC
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024Users with large numbers of UObjects (500k+) that are using World Partition want to enable GC actor clustering to handle streaming levels but no performance gains are realized when enabling GC clust ...
Sequencer 3D Trajectories run very slow on deep hierarchies
UE - Anim - Sequencer - Aug 27, 2018Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...
AutoReimport can kick in too early for files that are being written out continuously
UE - Editor - Content Pipeline - Import and Export - Apr 2, 2015When exporting a large file, due to the way the auto reimporter only checks for the number of changed files has remained stable for some given threshold, it can kick in too early even though the sin ...
Structs appears to display incorrectly in behavior tree nodes
UE - AI - Oct 7, 2016When editing a behavior tree blueprint, if one of the custom nodes created and placed in the behavior tree has an "Editable" variable of a user defined struct type, then the variable's value appears ...
[CrashReport] UE4Editor_TextureFormatDXT!__delayLoadHelper2() [delayhlp.cpp:323]
UE - Graphics Features - Nov 3, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Unknown exception - code c06d007e (first/second chance not available) Source ...
[CrashReport] UE4Editor-Core.dylib!FThreadStats::FThreadStats()
UE - Graphics Features - Nov 17, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: SEGV_MAPERR at 0x0 Source Context:N/A Most recent user affected CL: 3195953 ...
Pixel Depth not Working on Mobile when used with Custom Depth
UE - Platform - Mobile - May 4, 2017A licensee is reporting incorrect results when using the Pixel Depth expression and Custom Depth. Custom Depth is working fine, but when combined with Pixel Depth the results are quite different fr ...
[CrashReport] UE4Editor_AnimGraph!FAnimPreviewInstanceProxy::Evaluate() [animpreviewinstance.cpp:158]
OLD - Anim - Feb 27, 2018No user comments in crash group 152 bool FAnimPreviewInstanceProxy::Evaluate(FPoseContext& Output) 153 { 154 // we cant evaluate on a worker thread here because of the key ...
Metal SM5 shader code cannot be viewed in the Editor on Mac
UE - Platform - Mobile - Aug 24, 2018The Metal SM5 shader code cannot be viewed in the Editor for a Material. Prior to 4.20, only HLSL Code could be viewed. In 4.20, a number of additional shader options were added, and they all work w ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - Editor - UI Systems - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...