Unreal Engine Issues

Cached reflection captures on primitives are not cleared properly when a reflection capture proxy is released.

Playing as a Pawn that is a Duplicate of a Blueprint Class doesn't create an Attribute Set

Creating a duplicate of a Blueprint class that has an AttributeSet seems to be interfering with the creation of the AttributeSet. ...

Error when exporting OBJ unattended

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

[CrashReport] UnrealEditor-AnimGraph!UAnimGraphNode_Base::GetAnimBlueprint() [AnimGraphNode_Base.h:306]

Generated from CrashReporter ...

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out

When 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

TriggerMontageEndedEvent 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 ...

Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes

Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...