Unreal Engine Issues
Unreal Engine Issues
Lightmass crashes when lighting is built with material that has "Cast Shadow as Masked"
UE - Graphics Features - Oct 4, 2017Lightmass is crashing when using a material that has "Cast Shadow as Masked" set to true in its properties. Found in 4.18 P3 CL#3676890 Unable to reproduce in 4.16.3 CL# 3561208 and 4.17.2 CL#365 ...
Web browser widget not receiving some mouse input information
Chromium - Nov 30, 2017When using the web browser widget, it appears that some mouse input is ignored. In this example the handles that were working in previous versions of the engine are now ignored and do not receive in ...
4.20p1 Niagara System & Emitter windows missing compile icon with small toolbar icons
UE - Niagara - Jun 7, 2018in the Niagara System & Emitter windows the compile button will be missing if small toolbar icons is enabled. The icons work correctly if this is not enabled. Found in 4.19 CL# 4033788, 4.20p1 CL# ...
[Landscape] only returns DefaultPhysicalMaterial when run in editor world
UE - LD & Modeling - Terrain - Landscape - Jun 19, 2018Landscape will only return "DefaultPhysicalMaterial" when run in editor world. In game time it will return the proper physical material. Found in 4.19 CL# 4033788, 4.20 Preview 3 CL# 4135216 , 4.21 ...
Can't call Load Stream Level in a Blueprint function
UE - Gameplay - Jul 27, 2018"Load Stream Level" can be called in the Event Graph of any Blueprint but it can't be called in a Blueprint Function or Function Library. This was reported in and tested in 4.19 (CL-4033788) and re ...
Curl Noise Force Not Applying to Niagara Emitter
UE - Niagara - Jul 30, 2018Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...
Crash upon attempt to create destructible mesh of EditorSphere or EditorCube
UE - Simulation - Physics - Destruction - Oct 4, 2018When attempting to create a destructible mesh from the Engine content folder, using the EditorSphere, or EditorCube Mesh will cause the editor to crash. However, other meshes from this folder such ...
Setting Lightmap Coordinate Index Past 3 Causes Mesh to Get No Lightmap Information
UE - Graphics Features - Nov 20, 2018Meshes with their Lightmap Coordinate Index set to anything over 4 will not be lit by static or stationary lighting. Found in CL# 4.19 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4573698 ...
Constant interpolation in animation curve points appears to prevent material updates after hitting apply
OLD - Anim - May 31, 2019When changing the key interpolation of a material curve in an animation to constant it appears to break the updating of the material after the changes are applied. Until the changes are applied it a ...
Texture Object Parameter Being Read Even If It Is Not Used In a Material
UE - Graphics Features - Jul 17, 2019Texture Object Parameter Being Read Even If It Is Not Used In a Material. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...