Unreal Engine Issues
Unreal Engine Issues
Niagara System User Parameters Resetting After Closing the Editor
UE - Niagara - Jan 18, 2019Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z. Foun ...
Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target
UE - Graphics Features - Jan 23, 2019An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target" Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...
Meshes With Multiple Morphs / Blendshapes Import Incorrectly
OLD - Anim - Jan 31, 2019MorphTargets/BlendShapes are read from the scene, not the morpher modifier. This also results in blendshapes names being equal to morph target object name (objects), rather then names from morpher m ...
Unable to create derived classes of UPostProcessComponent
UE - Graphics Features - Jul 5, 2019Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...
"Enable Stencil Test" Mobile crash
UE - Graphics Features - Sep 10, 2019A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...
Texture Group MaxLODSize doesn't recognize changes to WorldNormalMap in DefaultDeviceProfiles.ini
UE - Foundation - Core - Nov 11, 2019When trying to change the MaxLODSize using DefaultDeviceProfiles.ini, some of the groups scale but others don't. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.22.3 ...
Datasmith - Materials cropped different fields in the same bitmap only display one texture
UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 16, 2020Material cropping in 3DS Max doesn't seem to translate well into Datasmith when they are used in the same bitmap. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 ...
Get polygon data via GetPolysInBox that are outside the box
UE - AI - Navigation - Apr 6, 2020GetPolysInBox should get only the polygons(FNavPoly) that are on the bounds of the box. However, there are cases where polygon data outside the bounds of the box is currently obtained. It gets polyg ...
Memory leak after simulating in Editor with opened 'Editor Preferences' tab
Tools - May 7, 2020This can be repeated many times before the editor crashes without any messages and other programs with the video driver crashes too. Because out-of-memory. This is similar to [Link Removed]. This w ...
ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0
UE - Niagara - May 13, 2020Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24. This does NOT affect Niagara Mesh particles. I've attached a Cascade (left example ...