Unreal Engine Issues

Assert in EditorEngine.cpp after HotReload

This occurred when I tried to repro an ensure and crash the resulted in [Link Removed]. In the crash group on the Crashreport website I noticed that KimK had the same callstack as this one. She wrot ...

Nullptr Ensure and crash after HotReloading

Following my repro, I hit an ensure and crash. The two times I tried to repro after my first crash resulted in different call stacks. I'll comment the other Jiras once I have them in. One of my cra ...

[CrashReport] UE4Editor_UnrealEd!TSet<FEditorUndoClient * __ptr64,DefaultKeyFuncs<FEditorUndoClient * __ptr64,0>,FDefaultSetAllocator>::Remove() [set.h:685]

This is a trending crash coming out of the 4.17.0 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 675 /** 676 * Remov ...

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 ...

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.