Unreal Engine Issues

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart

Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...

Impossible to reparent blueprint class that has a broken parent class when using compilation manager

Alternatively use BP_ParentClassIsMissingType in QAGame ...

CachedLocalBounds is incorrectly updated

USkeletalMeshComponent::CalcBounds updates CachedLocalBounds by transforming the world FBoxSphereBounds, by the WorldToLocal transform, which is not sufficient to calculate the bounds in local space ...

Animation import with "Force Front X Axis" is broken until a re-import

FKismetCompilerUtilities::ValidateProperEndExecutionPath() was unintentionally removed from compile-time graph validation

We no longer include a note/warning when an expected execution path will not be taken in a function graph due to the presence of a return node. This was inadvertently removed by the change that intr ...

[CrashReport] UE4Editor_Kismet!SBlueprintEditorSelectedDebugObjectWidget::GenerateDebugObjectNames() [sblueprinteditorselecteddebugobjectwidget.cpp:454]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types

This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...

incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform

in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...

SingleLayerWater is rendering brighter shallow water with fog

Shallow water areas in scenes with exponential height fog will be brighter than they should be. Possibly due to the fog being applied twice in the SingleLayerWater shading model. ...