Unreal Engine Issues
Unreal Engine Issues
Building UE4 solution fails in Test configuration
UE - Foundation - Core - Nov 15, 2018Attempting to build the full UE4 solution for the Test configuration fails in 4.21. Most projects will build successfully, but a few will fail with various errors. Most of the errors appear to be re ...
DataSmith importer is setting incorrect scale on Actors
OLD - Enterprise - Nov 16, 2018When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...
Slight menu lag when using Vulkan on Linux
UE - Platform - Linux - Dec 12, 2018When using the UE4 Editor with Vulkan there is a slight lag when navigating through the menu options. This lag is not present when launching with OpenGL nor is it present on Windows with -vulkan. ...
Removing instances from HISM using Sequence node for execution in Construction Script behaves differently than ISM
Tools - Dec 17, 2018When using the Construction Script to remove instances with the Get Instances Overlapping Sphere function to get the references, the behavior of this functionality is different for ISM and HISM if a ...
Static Lights with IES Profiles Will Bake an Incorrect Lightmap
UE - Graphics Features - Jan 3, 2019When using an IES profile with a static light, the lightmap that gets baked will lose all detail of the IES profile. Example project attached. This doesn't occur in 4.19 CL# 4033788 Found in 4.20 ...
Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled
UE - Graphics Features - Jan 25, 2019When Forward Shading is enabled, if you create a material with their properties setup with the following: Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...
Streaming Multiple Instances of the Same Landscape Actor All Have the Same GUID
UE - LD & Modeling - Terrain - Landscape - Apr 15, 2019If a level contains a landscape actor, and if you stream multiple instances of that level into your map, you will get errors in the message log that the landscape actors have the same GUID. Found i ...
Editor crashes when adding a parameter to a material when using Forward Shading and DX12
UE - Graphics Features - Apr 24, 2019Setting the default RHI for Windows to DX12 and enabling Forward Shading results in a crash when adding a texture sample parameter to a material. Found in 4.22 CL# 5660361 and 4.23 CL# 6074473 Wor ...
Breakpoints on nodes in deleted functions are not cleared
UE - Gameplay - Blueprint - Nov 16, 2018Might be a simpler repro than this, but take a look at revision 1 of PreRolledBoxes in FortniteMain to see an asset affected by this. It was duplicated from StoreRoot which had breakpoints in some o ...
Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components
UE - Anim - Runtime - Jan 30, 2025This issue is caused by the backout in 38341618. The original code that went into 5.0 affects serialization by changing the UCS modified properties. When upgrading, the override is lost because th ...