Unreal Engine Issues

FSoftObjectPath does not allow for referencing multiple types of actors using AllowedClasses

FSoftObjectPathCustomization and SPropertyEditorAsset do not support multiple actor classes in the AllowedClasses list. The ObjectClass is only set in FSoftObjectPathCustomization if there is only ...

Replacing Selected Actors does not replace all references.

When using the "Replace Selected Actors with" feature in the editor, references to the replaced actor are not updated to reference the new actor (where valid). They will appear to be replaced until ...

FX.TestGPUSort fails on Vulkan

“FX.TestGPUSort” fails on both PC Editor and Android with Vulkan RHI. ...

Cash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true

Cash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true The licensee has reported: This crash happens because the DeferredShadingRenderer tries to extract the normal GBu ...

Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled

Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...

Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor

In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...

Niagara crash sampling vector field in and event handler stage

Integrity of AnimSyncMarkers compromised while playing AnimMontage with root motion in server side

Reference UDN as it explains well the cause of the issue. ...

VolumetricCloud crashes in orthographic view

FVolumetricRenderTargetViewStateData structure for the orthographic view is not initialized and the structure has some uninitialized member variables. If uninitialized FVolumetricRenderTargetViewSta ...

Doing a scene capture of a particle off screen on a thread other than the game thread in a packaged game asserts/crashes

From licensee: When building and running the package on windows or other platforms, the game stops at an Assert when a particle is being rendered (off screen) from a thread other than the game thre ...