Unreal Engine Issues
Unreal Engine Issues
Editor crash when Landscape Comp. LODBias set to value greater than 0
UE - LD & Modeling - Terrain - Landscape - Mar 20, 2018When LODBias for a landscape component is set to anything greater than zero, the editor will crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. Not able to be reproduced in 4.18.3 CL 3832480. T ...
StopAtCurrentTime Node Sets Playback Position To 0.f In Level Sequence Actors
UE - Anim - Sequencer - Jan 20, 2020Level Sequence actors have their current playback time to 0.f when using the StopAtCurrentTimeNode. In MovieSceneSequencePlayer.cpp line 288 TimeToResetTo is set to 0.f. Attached is a 4.24 example ...
Anim with rate scale other than 1.0 will not loop correctly in Sequencer when using an Anim Blueprint
UE - Anim - Sequencer - Sep 13, 2019Animations are looped incorrectly when using an animation blueprint and a rate scale other than 1.0 in Sequencer. ...
[CrashReport] UE4Editor_CoreUObject!FScriptArrayHelper::EmptyAndAddUninitializedValues() [unrealtype.h:2703]
UE - Gameplay - Blueprint Compiler - Aug 15, 2017This is a trending crash coming out of the 4.17.0 release. Based on user descriptions, this crash occurs on Play or Compile for affected users. User DescriptionsAgain crashing when I hit playIF I C ...
[CrashReport] UE4Editor_PropertyEditor!FPropertyEditor::IsEditConditionMet() [propertyeditor.cpp:632]
Tools - Oct 27, 2017This is a trending crash coming out of 4.18.0. The issue appears similar to [Link Removed], which was just fixed in 4.18. User DescriptionsProject was just imported from UE 4.17.2 , opened a bluep ...
Ray Traced Ambient Occlusion Uses Resources Even if AO Intensity is 0
UE - Graphics Features - Lumen - Aug 22, 2019Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506 ...
Actor Component instances have their settings reset to default when compiled in 4.17 (Compilation Manager)
UE - Gameplay - Blueprint Compiler - Aug 10, 2017REGRESSION: Yes, does not occur in 4.16 When converting a 4.16 project to 4.17, any actor component instances will have their settings reverted back to default when the user compiles the blueprint. ...
Multiple Blueprint compilation passes required to fix up event binding to dispatcher after event rename
UE - Framework - Blueprint Compiler - Nov 30, 2021Renaming a custom event bound to an event dispatcher via a Create Event node requires two compilation passes to fix up the binding. upd. Regression was checked on //UE4/Release-4.26 CL 15973114, i ...
Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file
zComponent - Archive - May 3, 2022Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...
When IOStore is enabled, -createchunkinstall separates out chunk-non-0 pak files but not utoc/ucas files
UE - Core - Data Pipeline - Cooker - Dec 12, 2022The -createchunkinstall option is used to separate out chunk>0 CDN/patch data from the main packaged app, but when using it with the IOStore enabled, only the pak files are separated out but not the ...