Unreal Engine Issues

Increment and decrement nodes return the incorrect value

Increment and decrement nodes return the incorrect value User Description: Getting the result of the Increment Macro seems to be incrementing the variable twice. Very confusing. Is this normal? ...

Engine Crashes When Trying to Add an Entry to a TMap in a Nested Struct That is an Element of an Array

When trying to add an entry to a TMap in a nested struct that is an element of an array the engine crashes. This doesn't happen if it is not an array of the nested struct. Attached are .h and .cpp ...

Crash editor when raytracing is enabled and enter kanji characters into TextRenderActor

The editor crashes when entering Kanji characters into TextRenderActor with raytrace enabled. This does not happen with English text.  ...

bIgnoreAllPressedKeysUntilRelease behaves differently for triggers in EnhancedInputAction and triggers in InputMappingContext

For actions that are triggered on the Input mapping context, simply adding or removing an InputMappingContext with no related key override with the bIgnoreAllPressedKeysUntilRelease option will caus ...

Some Niagara FX does not show up in MovieSceneCapture when AgeUpdateMode is DesiredAgeNoSeek

CL23957356 changes how to calculate FrameOffset in FNiagaraSystemUpdateDesiredAgeExecutionToken::Execute(). After this change, DesiredAge + FrameOffset could be 0.0 for some a couple of initial fram ...

FKConvex::ElemCalcAABB ignoring current transform.

FKConvexElem::CalcAABB was ignoring the elements currently defined transform, and only scaling. This means that any actor that has a transform (not just Merge Actors) could potentially have very dis ...

Crash When Raycasting Against Mesh With Multiple Materials

When using a raycast trace against a blueprint that has a child component with multiple materials will cause the editor to crash after a few times. This will not be an instant crash, but requires th ...

On Hit Events are inconsistent/inaccurate when using Substepping most notably at lower frames per a second

This is a regression Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary Under the same conditions in UE4 the On Hit events fire accurately and as expect ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

Creating multiple Scalar Parameter nodes with a different values will crash the editor

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...