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 ...
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 ( ...
Crash frequently when switch the material viewer
Tools - Dec 17, 2018This happens almost 100% on a MBP/MaxOS, (2.3GHz Quad-Core Processor ,8GB 2133MHz LPDDR3 memory), also happens in a lower frequency on PC/Windows, (nvidia 1080, 64 memory) ...
Setting a Vector value in the Material Parameter Collection causes crash
UE - Graphics Features - Mar 1, 2019Creating a Vector parameter within the Material Parameter collection causes a crash with the engine. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...
Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)
UE - Gameplay - Blueprint Editor - Mar 27, 2019Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...