Unreal Engine Issues
Unreal Engine Issues
If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr
UE - Foundation - Core - Jun 17, 2020[CrashReport] UnrealEditor-AnimGraph!UAnimGraphNode_Base::GetAnimBlueprint() [AnimGraphNode_Base.h:306]
UE - Anim - Sequencer - May 16, 2022Generated from CrashReporter ...
Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format
UE - Editor - UI Systems - Slate - May 20, 2024tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out
UE - Platform - Mobile - Jan 22, 2019When attempting to package for tvOS or iOS with the generate dSYM options enabled, numerous instances of the following errors occur:[2019.01.21-20.53.35:739][138]UATHelper: Packaging (tvOS): [2019 ...
COTF has issues with out-of-source projects
It is expected that cooking, including COTF, will fix-up all string asset references. There were a few reasons this wasn't happening, but we should get these fixes into 4.15 as the impact was worst ...
Trigger Montage Ended Event results in Unhanded Exception
OLD - Anim - May 6, 2019TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround: Add a Delay node befo ...
Illegal reference to private object when cooking a child level sequence with a time warp track
UE - Anim - Sequencer - Apr 28, 2025Slack: [Link Removed] Another Slack: [Link Removed] Cook error:UATHelper: Cooking (Windows): LogSavePackage: Warning: UATHelper: Cooking (Windows): Referencers of MovieSceneTimeWarpSection /Gam ...
Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes
Tools - Dec 19, 2018Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...
Level Instance: failed check in duplication code when embedding
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 2, 2021Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted. ...
The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,
UE - Editor - UI Systems - Slate - Nov 26, 2021When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...