Unreal Engine Issues

[Feature Request] Hardware video decoding on Windows DX12

Currently, all DX12 video decoders on Windows use software decoding. On the other hand, if the engine is running on DX11, developers can use this by enabling the "Hardware Decoding" option under "Ex ...

Crash when baking materials for some skeletal meshes (like those found in Epic's Car Configurator project)

FMeshMergeHelpers::RetrieveMesh crashes when trying to prep some skeletal meshes for material baking. ...

Override Game Mode in Media Render Queue does not work properly

This problem behaves differently between Local and Remote Render when Game Mode is set in Override. ...

Gameplay Tag Query - Assert when changing root expression while tag picker is open

Changing a gameplay tag query's root expression in a make query node will assert if the tag editor widget is open.  ...

Crash with Skeletal Mesh + Capsule Shadows + Render Static

FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions

FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...

Delta struct serialized fast arrays replicating new elements with no changelist

There is a scenario where delta struct serialized fast arrays can replicate changes that introduce additional elements to the array, but without changelists containing the new data. This needs furt ...

Color space transform in the UI composition is incorrect on DX12 HDR (r.HDR.UI.CompositeMode=1)

Color space conversion in the UI composition is incorrect on DX12 HDR. In the main() function In CompositeUIPixelShader.usf, you can see the following color space transform.// sRGB -> RRT -> ODT ...

Update to AndroidX

Upgrade to use AndroidX ...

Mouse collision is offset when fullscreen at non-regular resolutions

The source of the issue is differences between viewport resolution and screen resolution. Cursor position is reported w.r.t. screen space, but we need to map that value to the viewport to correctly ...