Auto-Exposure Overriding Preview Scene Profile Settings

OLD - Anim - Nov 30, 2016

The static mesh preview scene profile settings for post processing is being overridden after closing and re-opening any static mesh. ...

Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)

OLD - Anim - Apr 12, 2017

Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...

[CrashReport] UE4Editor_SlateCore!FSlateElementBatcher::AddElements() [elementbatcher.cpp:52]

UE - Editor - UI Systems - Slate - Nov 21, 2017

This is an infrequent crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on affected project names, this may be a VR is ...

DrawDebugString display wrong position in PIE when changed display scale

Tools - Sep 16, 2020

The display position of the text in DrawDebugString is affected by the scale of the display. Should refer to the Project() of DebugCanvas (not Canvas). -  Suggest Code void AHUD::DrawDebugTextL ...

No sound plays when using Built-In Spatialization or Simple ITD plugins

UE - Audio - Spatialization - Nov 10, 2021

No audio can be heard when using the Built-In Spatialization plugin. This is a regression from 4.26. Occurs in 4.27 and 5.0. ...

Base Pose Type Not Retained When Retargeting Animation with Additive Anim Type

UE - Anim - Rigging - Retargeting - Apr 22, 2022

Occurs 3/3 Times Base pose animation is not retained when retargeting animation with an additive anim type. ...

Dynamic (transient) material instance assignment lost if object spawnable

UE - Anim - Sequencer - Jun 21, 2024

Material Instance Dynamic assigned to Spawnable objects with Editor Utility Widget get reverted when hit the Save button in Sequencer. This appears to come from the Material Instance Dynamic not be ...

A sampling result of DistanceFieldAOHistory is shifted to a wrong position.

UE - Graphics Features - Aug 21, 2024

DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...

Issue with Landscape Layer Blending Node compile in UE 5.4.2

UE - Graphics Tools - Terrain - Aug 2, 2024

When the SetMaterialAttributes Material Expression is used without an input to MaterialAttributes, it will cause Landscape Layer Blend expressions to fail to compile if it is the only layer on a par ...

The DistanceCurveModifier generates Distance Curves with zero values for Root Motion animations

UE - Anim - Gameplay - Jun 30, 2025

The DistanceCurveModifier data modifier generates curves that return zero values only. This issue has been tested on several Animation Sequences with enabled Root Motion and always occurred. ...