Unreal Engine Issues
Unreal Engine Issues
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Adjusting Default Light Settings for Atmospheric Fog causes Crash
UE - Graphics Features - May 2, 2016Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...
Crash when renaming AnimGraph function in AnimBP
OLD - Anim - Apr 17, 2015When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...
Subtraction Node wild card inputs incorrectly assigns Time Span data type when given a Date Time data type
UE - Gameplay - Blueprint - Nov 18, 2021This is a regression //UE4/Release-4.27 has "DateTime - DateTime" and a "DateTime - TimeSpan" node. The subtraction node, with wild card inputs, incorrectly assigns Time Span data type when fed a D ...
Typo in Content Examples Lighting Level
Docs - Samples - Jun 18, 2015User has found a misleading typo in the Lighting Level of Content Examples. Specifically 5.4, the Source Radius = on both examples should be Min Roughness = [Image Removed] Also Reproduced in 4.8 ...
Widget 3D Component is not rendering on specific Android devices
UE - Platform - Mobile - Nov 20, 2015Widget 3D Component isn't rendering properly on the Samsung devices. I've tested on the Samsung Galaxy Note 2, Samsung Nexus S, Samsung Galaxy S3. I'm not having any trouble on the Nexus 5 though. ...
Viewport stuttering during orbit/zoom navigation
UE - Rendering - Graphics Features - Dec 17, 2025Received a report of persistent stutters in the editor when trying to navigate in the viewport, including asset editor viewports like the Skeletal mesh editor and control rig editor. Hardware used ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...
Restarting Project Resets Scoring Equation in EQS
UE - AI - May 9, 2016The user is experiencing his Scoring Equation being reset whenever he restarts his project. Found in 4.12 Preview 2 binary. Reproduced in 4.11.2 binary and 4.13 2967371. ...
Auto Exposure Compensation Curve issue when switching from Histogram to Manual
UE - Rendering - Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Histogram to Manual, there is a single-frame flash. The Licensee has a proposed code change that would fix this issue. Also found in 5.4, CL 3 ...