Unreal Engine Issues

Bink Media Player leaves last rendered frame in viewport on play

Essentially, when set to "Overlay Fill Screen," the Bink Media Player will render the last viewed frame over all game levels in PIE, without actually playing the video or being given any sort of pla ...

Issue during the CapturingScene phase when having Nanite mesh as source component for HLOD Generation

When generating the textures for Approximate HLOD layers, the Nantie geometry is very low resolution, resulting in the captured textures fitting the actual HLOD geometry poorly. This creates visual ...

Movie Render Queue Deferred Lighting(Detail Lighting) only outputs Lighting Only

This is not a regression. Tested in //UE4/Release-4.27 CL#18319896 Movie Render Queue Deferred Lighting(Detail Lighting) appears to only output Lighting Only.  ...

[CrashReport] UE4Editor_Kismet!FFindInBlueprintSearchManager::OnCacheAllUncachedBlueprints() [findinblueprintmanager.cpp:2095]

This is a trending crash coming out of 4.18; it may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2093 // Start the cac ...

Blueprint reinstancing can duplicate delegate bindings from the reinstanced Blueprint Actor to another referenced Actor instance in the current scene.

This issue occurs because post-BP compile reinstancing does not clear delegate bindings to other referenced Actor instances in the scene. Thus, the old BP actor instance remains in the referenced Ac ...

AdditionalPluginDirectories: Cooking a plugin as DLC stores files in the wrong location and fails to correctly stage

A project can add paths in AdditionalProjectDirectories to specify directories other than <UERoot>\Engine\Plugins or <ProjectRoot>\Plugins that contain plugins. But when adding a plugin in one of t ...

Crash when not saving level after using MovieRenderQueue for that level

Crash when not saving level after using MovieRenderQueue for that level Repro rate 3/3 Regression Yes, issue is not reproduced on //UE5/Release-5.0-EarlyAccess at CL 16682836 from LauncherFatal er ...

Unable to change collision profile on static mesh component to a specific profile.

Internal Compile error received from rearranging Format Text nodes

Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...

Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Web Browsers widget components stop accepting input when toggling visibility with a delay if there is more than 5 browsers. This onl ...