Unreal Engine Issues
Unreal Engine Issues
Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index
Tools - Jul 23, 2018When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...
Material Ambient Occlusion Does Not Work With Skylight Set to Movable
UE - Graphics Features - Jul 27, 2018Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...
Niagara Sprite Particles Incorrect Facing with Orthographic Camera When "Velocity aligned" is Set
UE - Niagara - Aug 2, 2018Niagara sprite particles incorrectly face with Orthographic camera when "Velocity aligned" is set for its camera alignment. [Link Removed] seems to be the same issue but with Cascade. Found in 4.1 ...
SolidWorks 2018 Assembly Datasmith Importer Error
UE - Editor - Content Pipeline - Datasmith - Importer - Aug 16, 2018A failed to import error is received when importing various SolidWorks 2018 Assembly files. A lot of the attached models are imported IGS files and were made into SolidWorks parts. Tried testing th ...
Metallic Materials Get Darker When Directional Light Is Set to Movable
UE - Platform - Mobile - Aug 20, 2018Metallic materials get darker when directional light is set to movable. In 4.19 the same material will render dark in all mobility of the directional light. Found in 4.19 CL# 4033788, 4.20 CL# 4233 ...
Cannot Parse a Custom Node as a Function Input to Another Custom Node In The Material Editor
UE - Graphics Features - Aug 30, 2018Cannot parse a Custom node as a function input to another Custom node in material editor. This is working as expected in 4.18 CL# 3832480. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# ...
Crash When Substance Material Is Applied to a Mesh In HLOD System
UE - World Creation - Worldbuilding Tools - HLOD - Sep 3, 2018Crash when Substance material is applied to a mesh included in the HLOD system. Working as expected in 4.19 CL# 4033788. Unable to test issue in 4.21 CL# 4339215 due to plugin dependency. Found in ...
Animation Modifiers that contain a null Animation Sequence value cause the Engine to crash when applied to an Animation Sequence
OLD - Anim - Nov 14, 2018When an Animation Modifier passes a null Animation Sequence value to an Animation Sequence the Editor will crash. This is a regression from 4.20.3 (CL-4369336). This was reported and tested in 4.21 ...
Material Artifacts When Using World Position and Pixel Normal Together
UE - Graphics Features - Jan 2, 2019When using "World Position" and "Pixel Normal" nodes together. it causes artifacts in the material. In 4.19 CL# 4033788 this did not occur with the same material setup. Found in 4.20 CL# 4369336, 4 ...
IsPlayInMobilePreview does not return true when using Mobile Preview
UE - Platform - Mobile - Apr 11, 2019A user has reported that the IsPlayInMobilePreview function does not return true when playing in Mobile Preview. From looking at the function, it seems to be looking specifically for the commandline ...