Unreal Engine Issues
Unreal Engine Issues
It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading
UE - Graphics Features - Jan 9, 2025It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...
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 ...
Ensure and Assertion thrown while attempting to change Float value on a Sky Light using the Set Editor Property node
UE - Editor - Workflow Systems - Apr 25, 2022This is a regression. Assertion thrown while attempting to change a Float value on a Sky Light component using the Set Editor Property node. Different property values can trigger this assertion bes ...
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 ...
Subobject ComponentClass overrides cause failing assertions due to UObject reconstruction on AsyncLoadingThread
UE - Framework - Blueprint - Dec 19, 2025Context The blueprint editor allows you to override an actor component's class in derived blueprints (component details panel -> Component Class). [Image Removed] Problem When a blueprint and it ...
Blueprint diffing tool attempts to diff transient properties
UE - Gameplay - Blueprint Editor - Oct 28, 2019The Blueprint diffing tool should skip transient properties. ...
Pointer being freed was not allocated on IOS with MallocBinned2
UE - Platform - Mobile - Apr 15, 2024Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...
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 ...