Unreal Engine Issues
Unreal Engine Issues
Mobile Previewer: Content Scale Factor 0 Issues
UE - Platform - Apple - Jul 13, 2021There are several reported issues with Save Zones displays in the mobile previewer when the Mobile Content Scale Factor is set to 0. When MobileContentScaleFactor is set to 0 a couple things hap ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...
Post Process Volume Priority Doesn't Affect Post Process Materials
UE - Graphics Features - Sep 17, 2018Post process volume priority doesn't affect post process materials. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4369303 ...
Widgets always come in to viewport with a zorder of 0 after being removed and added back
UE - Editor - UI Systems - Apr 8, 2015If a widget is removed from parent and then gets added back to the screen later it will come in with a zorder of 0. ...
Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor
UE - Simulation - Physics - Feb 20, 2018Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...
LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1
UE - LD & Modeling - Terrain - Landscape - Sep 12, 2016LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1. NOTE If Forced LOD is set to 0, the component renders correctly. ...
NaN is handled differently when clamped on Windows and Android/iOS
UE - Platform - Mobile - Oct 18, 2017NaN (Not a Number) is handled different when clamped on Windows and Android/iOS. If you clamp a NaN (Acheived by -3 ^ 0.2 in the reproduction project) from 0.0 to 1.0 and then print the result, you' ...
Packaged projects do not render in web page using Safari 10.0
UE - Platform - Mobile - Aug 9, 2016My Macbook Pro uses an Nvidia GeForce 750M and was on Safari 10.0 when this occurred. This did NOT occur on a Macbook Pro with the same card and using Safari 9.1.2. This did NOT occur on an iMac wi ...
Spring Arm rotation only prints Yaw after 4.17 conversion
UE - Gameplay - Aug 11, 2017Spring Arm rotation only prints Yaw after 4.17 conversion. In 4.16 it would print the Yaw, Pitch, and Rotation as expected. The spring arm by itself prints the rotation correctly but once a camera ...
Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled
UE - Graphics Features - Aug 27, 2019Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...