Unreal Engine Issues
Unreal Engine Issues
Per-section shadow/collision flags lost when merging actors
OLD - Anim - Mar 24, 2017Information loss when merging actors such as cast shadow and collision. If one of the actors being merged has a different setting such as not casting shadows. This information will be lost and repla ...
Crash duplicating or deleting any component inside of Actor BP if lights or triggers are present
UE - Gameplay - Blueprint Editor - Apr 25, 2017When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info. This is a regression. Working: 4.15.2 Broken: 4.16 ...
Auto Exposure in Static Mesh Editor whites out the viewport when Vert Colors is enabled
UE - Graphics Features - May 4, 2017In the Static Mesh Editor, Enabling Vert Colors causes high exposure in the viewport. Workaround Disable Auto Exposure in the Project Settings > Rendering > Default Settings This is a Regression ...
ShaderCacheTool build fails
UE - Graphics Features - Oct 25, 2017In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...
On Linux, Mouse input is not capture in Skeletal mesh editor -> Section Selection right click menu
UE - Platform - Linux - Nov 3, 2017Attempting to interact with the pop up menu that appears when right clicking in Skeletal Editor -> Section Selection causes the pop up menu to be closed instead. Regression: No - same behavior occu ...
CLONE - ShaderCacheTool build fails
UE - Graphics Features - Nov 20, 2017In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...
Editor grid zfighting with meshes
UE - Graphics Features - Jun 15, 2018The editors snap grid will zfight with flat surfaces of static meshes and BSPs. Found in 4.19 CL# 4033788, 4.20 preview CL# 4121666, 4.21 CL# 4131780 ...
Set Material in Blueprint Causing Crash
UE - Graphics Features - Jul 30, 2018Using "Set Material" for a static mesh in blueprint causes a crash. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4233996 and 4.21 CL# 4234136 This is a regression. ...
Cascade Alpha Over Life Module Doesn't Interpolate Vaules That Differ in .05 or Less With "Can Be Baked" Enabled
UE - Niagara - Aug 16, 2018Alpha over life module doesn't interpolate vaules that differ in .05 or less with "Can Be Baked" enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4291146 ...
Datasmith is failing in converting UCX geometry to collision shells from Sketchup
UE - Editor - Content Pipeline - Datasmith - Exporters - Aug 21, 2018Importing a Sketchup file that has the 'UCX_' prefix for collision, the collision is not imported into the Editor. Instead it is imported as a Static Mesh Actor. This is happening in both 4.19.2 ( ...