Unreal Engine Issues

Sharing Material shaders wastes memory and disappears from the memreport

Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...

When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously

When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...

Translucent objects blink when using Vulkan with Kirin 970 device

Translucent objects ( e,g, effect, fog sheet ) blink when using Vulkan with Kirin 970 device. This issue doesn't occur on Vulan mobile preview, Snapdragon device, and Huawei honor 9(Kirin 960). ...

"Render in main pass" setting appears to be ignored when using ES3 and "Render in Custom Depth" is enabled

it appears that meshes cannot be removed from the main pass and still write to the custom depth pass when using ES3.1 ...

FPlatformOutputDevices::GetAbsoluteLogFilename() not returning correct path when running multiple application instance

Controller Assignments appear incorrect for UI when "Skip Assigning Gamepad to Player 1" is set to true

When using a controller to navigate/ interaction with UI it appears that the "Skip Assigning Gamepad to Player 1" option is not taken into account when assigning input for UI. ...

On static mesh import correctly named materials in project aren't automatically applied

When importing a static mesh into a project with the appropriately named materials in it already they won't apply to the mesh automatically when setting Search Location to All Assets without being i ...

Rearranging Slate Brushes causes crash

Rearranging the order of a Slate Brush array causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7305105), 4.24 (CL - 7285696) ...

Crash when generating proxy mesh

Generating a proxy mesh with imported models and the simplify mesh flag set to true causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7288428), 4.24 (CL ...

Placeable UCLASS specifier doesn't override parent classes NotPlaceable UCLASS specifier

When the child of an actor with the UCLASS specifier NotPlaceable has the UCLASS specifier Placeable it still isn't placeable. This behavior doesn't occur in 4.20.3. Found in 4.22 CL#7053642 Reprod ...