Unreal Engine Issues
Unreal Engine Issues
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 ...
Animation Sequences in Sequencer Set to Frame 0 When Transform Curve is Moved
UE - Anim - Sequencer - Feb 7, 2018-When a curve of a transform track is edited animation tracks set themselves back to start at frame 0. -Tested with scale to avoid interference with location -sequencer is not docked ...
r.Shaders.Optimize=0 crashes when compiling a UI material
UE - Rendering Architecture - Materials - Sep 2, 2024[2024.08.30-22.12.22:384][ 73]LogWindows: Error: appError called: Assertion failed: CurrentGPUVirtualAddress != 0 [Link Removed] [Line: 659] Disabling shader optimisation can crash the editor when ...
nDisplay VIOSO Projection Policy broken since 5.0.3
UE - Virtual Production - nDisplay - Nov 25, 2022Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...
PSD imported texture has white for texels with 0 alpha, resulting in bilinear interpolation artifacts
UE - Editor - Content Pipeline - Import and Export - Aug 14, 2017Texture viewed in texture viewer has white fringes [Link Removed] This appears to be caused by transparent texels having white stored for their color, which causes artifacts with bilinear interpol ...
Dynamic Obstacle Blueprint components do not correctly affect navmesh in standalone mode
UE - AI - Jul 21, 2015Static mesh components of blueprints with "Is Dynamic Obstacle" set to true do not correctly affect navigation when standalone mode is initially run. Once another object is moved and the navmesh is ...
Editor crash when Landscape Comp. LODBias set to value greater than 0
UE - LD & Modeling - Terrain - Landscape - Mar 20, 2018When LODBias for a landscape component is set to anything greater than zero, the editor will crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. Not able to be reproduced in 4.18.3 CL 3832480. T ...