Unreal Engine Issues
Unreal Engine Issues
Input breaks after spawning character from template
UE - Gameplay - Input - Jun 14, 2017When a character is spawned from a template of an existing character instance, the existing instance loses the ability to read any input. This was discovered when testing the crash fix for [Link Re ...
[CrashReport] UE4Editor_OutputLog!SConsoleInputBox::OnKeyCharHandler() [soutputlog.cpp:710]
Tools - Jan 19, 2018Comments from user:crashes when trying to type "dynamic" into the console tab I attempted the users repro in 4.19 Binary @ 3843120 and was unable to come up with a repro. ...
FSlateApplication GetUserFocusedWidget (and others) needs bounds checking
UE - Editor - UI Systems - Slate - Jul 27, 2015(see udn link) GetUserFocusedWidget can crash when a player disconnects their controller as the index into the array goes out of bounds. HasUserFocus, HasUserFocusedDescendants may also have simila ...
GPUFree is called on allocations not made with GPUMalloc
UE - Platform - Console - Aug 30, 2016GPUFree is sometimes called on allocations not made with GPUMalloc. Later this will cause GPURealloc to be called with invalid values and cause a crash. This can occur with vertex buffers. ...
Slate memory stomp on engine shutdown caused by invalidation panel
UE - Editor - UI Systems - Slate - Feb 8, 2017A licensee reported a crash happening when the engine shuts down. We determined it only occurred when invalidation panels are used, likely caused by a call to ClearChildren on a canvas panel in an i ...
[CrashReport] UE4Editor_Kismet!SBlueprintPaletteItem::OnNameTextCommitted() [sblueprintpalette.cpp:1319]
UE - Gameplay - Blueprint - Sep 28, 2017This is a trending crash after the 4.17.2 hotfix, although it has existed since the 4.16.1 hotfix. User Descriptionswas creating a new graph in a blueprint ...
Packaging fails with Event Driven loader enabled and two function libraries reference each other
UE - Foundation - Core - Mar 29, 2017Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...
Keeping editor unfocused while in PIE leads to memory leak
UE - Foundation - Core - Jun 22, 2016Keeping editor unfocused while in PIE leads to memory leak, eventually freezing the editor. The editor must be closed through task manager and leaves no crash report or log error. ...
RemoveWindSource modifies game thread array while in a parallel for loop.
UE - Simulation - Physics - Apr 16, 2021FScene::RemoveWindSource is called from a parallel for loop, and concurrently deletes wind component pointers from the same game thread array causing crashes when the scene contains multiple wind so ...
FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames
UE - Anim - Runtime - Sep 15, 2021FAnimNode_TransitionPoseEvaluator can cache a pose over multiple frames using FStackAttributeContainer rather than the heap equivalent. This will likely crash at some point if any user uses the cac ...