Reparenting an actor BP to EditorUtilityActor does not give access to editor utility nodes

UE - Framework - Blueprint Editor - Jul 11, 2022

Ran into this while answering a UDN. A user was expecting to find the blueprint functions available to Editor Utility Blueprints after reparenting their actor to EditorUtilityActor. I confirmed that ...

Allow users to keep files they have submitted themselves and still sync forwards

UE - Foundation - UGS - Mar 30, 2023

UGS displays a prompt if syncing to latest would sync back before changes the user submitted themselves. It would be nice to allow them to keep their own files at least. ...

Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)

UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024

The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...

Decals in ISR have issues related to depth

UE - Platform - XR - Oct 11, 2024

See additional info URL: Decals have oddities in how depth is perceived. It seems we're sampling the left eye depth for the right eye. Decals in ISR are drawn view-by-view rather than being instance ...

Child class references are not shown after restarting the editor

UE - Gameplay - Blueprint - Oct 27, 2017

Child class references are not shown after restarting the editor. However, the other reference will show up if the child blueprint is currently open. ...

Vertex Interpolate Node Doesn't Work with Lightmass

UE - Graphics Features - Lumen - Aug 8, 2018

The vertex interpolate node doesn't work with lightmass. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4258917 ...

Cascade Alpha Over Life Module Doesn't Interpolate Vaules That Differ in .05 or Less With "Can Be Baked" Enabled

UE - Niagara - Aug 16, 2018

Alpha over life module doesn't interpolate vaules that differ in .05 or less with "Can Be Baked" enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4291146 ...

Updating a material layer may not update materials that are using that material layer instance

UE - Rendering Architecture - Materials - Jan 7, 2022

Material layer instances do not generate a valid UMaterialFunctionInterface::StateId. For this reason, materials and material instances that use material layer instances will not recompile their sh ...

FXAA doesn't work if you replace the tonemapper with a material postprocess

UE - Graphics Features - Sep 1, 2016

As reported on UDN. If using a custom postprocess which replaces the tonemapper, FXAA doesn't work. ...

Sequencer UpdateTimeCursorPosition can set TimeCursorPosition beyond the end of the track when stopping

UE - Anim - Sequencer - Oct 11, 2016

After calling Stop() in UpdateTimeCursorPosition (LevelSequencePlayer.cpp:392), we continue on to set TimeCursorPosition to NewPosition. At this point, NewPosition is beyond the end of the track. A ...