Unreal Engine Issues

[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2153]

Really close to the repro steps for [Link Removed] Same repro steps produced the following Buggs along with this one: [Link Removed] [Link Removed] Error message: Fatal error: [Link Removed] [Lin ...

[CrashReport] UE4Editor_Core!FArchiveFileReaderGeneric::InternalPrecache() [filemanagergeneric.cpp:697]

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: Assertion failed: false [Link Remo ...

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players

10 or more Static Meshes set to Simulate Physics and Replicates Movement will crash the editor with PIE set to 2 or more players. Less than 10 don't cause a crash. The user reporting this got a mor ...

[CrashReport] UE4Editor_CoreUObject!UObjectProperty::SerializeItem() [propertyobject.cpp:39]

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 ( ...

BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.

When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...

[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()

This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...

Crash when Previewing specific LODs within Static Mesh Editor at certain Screen Resolutions

A crash occurs when attempting to preview specific LODs when the monitor resolution forces the menu to be expanded when selecting an LOD. This Jira was created from CrashReports submitted by the pu ...

[CrashReport] Assertion failed: IsValid() - UE4Editor_SlateCore!FWeakWidgetPath::GetLastWidget()

This is a common crash occurring among users in the 4.16 release. Users have not provided any descriptions when they crash, so additional information is not currently available. log file attache ...

Windows Game Input - DualSense/DualShock controllers DPad button repeat events behave unexpectedly

Niagara color picker user parameter preview no longer updates until confirmation

Starting with UE 5.4, the Color Picker Tool no longer updates preview values in real time for certain editor windows like Niagara when working with User Parameters. This behavior is a regression fr ...