Unreal Engine Issues

Camera Position Node in Light Function Materials does not function once applied to a light

In the material editor, the preview will change with the camera position. Similar to [Link Removed] though the light will still emit when applied. Investigating Regression info ...

Some style properties for Multi-Line Editable Text boxes do not change when setting them in blueprints

Some style properties for Multi-Line Editable Text boxes do not appear to change when setting them in blueprints. ...

Soundscape Palettes with no playback conditions do not activate

Soundscape Palettes with empty playback conditions fail to activate ...

NV12 and NV21 pixel formats are not working correctly

Material functions using Vertex Interpolators called by multiple function nodes will only use the final interpolator result

The interpolator in each function call does correctly compile it's input to a temporary, but as there's only one actual expression node, each call stomps the temporary data so the final CompileInput ...

Light Propagation Volumes Not Affected by Emissive Area Light

The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...

Capture Source not changing in Planar Reflections

Changing the Capture Source in Planar Reflections is not working as expected. Without being able to change the source, Post Process Materials are not rendering in the Reflection. Reported in versio ...

Image widgets need to be invalidated (once) before material parameter can cause changes

The cache for images inside of an invalidation box needs to be invalidated at least once before changing a parameter that is applied to the material of the image will have an effect. ...

Materials Draw through a HUD blueprint do not update when collections Parameter are used

Materials applied via HUD do not appear to update when collection parameters are changed for the applied material ...

Struct Ref pin in Set members in Struct node can be split

Attempting to restore the structure pins of a set members in structure node duplicate the structure input or member variables of the structure. Regression (no) issue (does) occur in 4.11.2 ...