Unreal Engine Issues

Actors with Niagara components don't wait for the system to finish before being auto destroyed

UNiagaraComponent does not override IsReadyForOwnerToAutoDestroy, so it always returns true. This gets checked every tick if an actor is set to auto destroy, so actors with Niagara Components do not ...

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1.  Worked in 4.20, no longer works in 4.21 or 4.22.  Originally reported as Oculus Quest specific, but repr ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]

Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...

Importing through Python doesn't allow the user to set the import options.

The attached script should import the provided Alembic cache but the import options specified in the script are not passed to the importer resulting in improper data. ...

Delay Before Shot Warm Up introduces hitches

setting a Delay Before Shot Warm Up can introduce hitches when rendering out a series of frames. ...

FSkeletalMeshRenderData.bInitialized is not initialized, and can be any value at runtime

Mali offline compiler v6.4 has compiler error in Platform Stats of material editor.

if the build error is not reproduced, please open another material. Error from 4.21.2 version [Image Removed] Error from 4.22 preview 7 version [Image Removed] This is reproduced in Win10 Enter ...

SubLevels can't be loaded after "Build Geometry"

It relates to CL 4433780. ...

Can not edit Level Sequence Actor's Override Instance Data from Blueprint

Although DefaultInstanceData of Level Sequence can be edited by BP, bOverrideInstanceData can not be edited by BP. Therefore, to reflect the edited result of DefaultInstanceData by BP, it is necessa ...

Material Parameter Collection parameters only return default values when drawn to a Render Target

Material Parameter Collection parameters only return default values when drawn to a Render Target This does NOT happen when drawing a material using a non-MPC parameter. To test this:Open Actor_BP ...