Unreal Engine Issues

[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]

Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...

Crash on setting Material in Element 1 of Combined Mesh

Crash on clearing or setting the second or third material slot in the Static Mesh Editor on an imported combined FBX Mesh. Also Reproduced in Main Promotable-CL-2484152 (Perforce) NOTE: User is o ...

Replacing blueprint assets causes editor to crash

When attempting to replace references of one blueprint with another a number of error message windows pop up ([Link Removed]) and the editor will crash. This is a regression since it was working in ...

Event Tick is not running once packaged

Event Tick works when it's running on Windows however once it's packaged or even launched onto all platforms, the event tick does not work as anticipated. This happens on all platforms. *Project ca ...

No alpha to coverage for ES3.1 and mobile Vulkan

MSAA is not applied to masked textures/materials. Testing blocked in MAIN 4.25 @ CL 11144351 by [Link Removed] ...

Animation to Ragdoll: Character flips direction for 1 frame

Character rotates 90 degrees abruptly for one frame so that it appears to "flip-flop" for that one frame between Death animation and conversion to ragdoll physics This is in relation to [Link Remov ...

Crash on BP recompile after deleting struct property with instanced object

A user has reported a crash that is reproducable in a clean project in UE 5.1.0 release. It involves a struct with an instanced object. The crash occurs after deleting a property of that struct type ...

IOS project builded with Metal 2.1 and launched from Xcode will cause crash

[CrashReport] UE4Editor_Engine!UMaterialExpression::GetOutputType() [materialexpressions.cpp:859]

This is an infrequent crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 849 uint32 UMaterialExpression::GetOutputT ...

[CrashReport] UE4Editor_UnrealEd!FEdGraphUtilities::PostProcessPastedNodes() [edgraphutilities.cpp:138]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...