Use of SpiralBlur-SceneTexture MaterialFunction in translucent material results in compile errors

UE - Graphics Features - May 8, 2020

This appears to be new in 4.25. ...

Convert Actor option is grayed out and not selectable. (ConversionRoot metadata not found)

UE - Foundation - Core - Jun 4, 2015

The 'Convert Actor' option in the details tab of brushes does not function. The option is grayed out and not selectable. Note for Core: This button works by looking for the ConversionRoot UCLASS m ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

The AnimBlueprint Shows Duplicate Objects in the Debug Filter

UE - Gameplay - Blueprint Editor - Sep 3, 2015

The AnimBlueprint shows duplicate characters in the Debug Filter causing three effects: 1. Causes breakpoints not to function properly 2. Reverts back to "No debug object selected" in the Filter rat ...

Default subobjects do not get PostLoad called

UE - Gameplay - Components - Nov 3, 2016

PostLoad function is not called for blueprint components added through code. Regression: Yes In 4.12.5 (CL 3039270) code components do have PostLoad called if other components are not added throug ...

Focal Point is not cleared when SetFocus is used

The Focal Point that is set for an AI Controller doesn't get reset when Set Focus is used. This causes the character to turn back to the focal point if the actor that is set as the focus is destroye ...

Reordering Instance Editable arrays in a Character Blueprint breaks the array

Tools - Nov 14, 2017

When re-arranging an array that has been added to a character blueprint, the array adds an empty value to element [0] and leaves it in a broken state. I tested this using the Level blueprint as well ...

Clicking on object causes EndInputTouch to fire on the press instead of the release

UE - Editor - UI Systems - Slate - Sep 18, 2018

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

Animation insights crash with linked anim graphs

OLD - Anim - Aug 25, 2020

From this UDN: https://udn.unrealengine.com/questions/601647/animation-insights-crash.html Looks like we need to cache the function index in FAnimNode_LinkedAnimGraph::DynamicLink and apply the sa ...

RGB/UINT10 HDR Format not using ST.2084

UE - Rendering Architecture - RHI - Aug 23, 2021

Specification here: [Link Removed] Which is mirrored in engine in FD3D12DynamicRHI::Init (for example): [Image Removed] However, FWindowsPlatformMisc::ChooseHDRDeviceAndColorGamut always returns ...