Unreal Engine Issues

[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]

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: GEditor->GetSele ...

FSupportedAreaData Not Being Exported

FSupportedAreaData is causing an unresolved linker error when it is used. ...

The import option for Remove Degenerates will disable material collision checkbox

When you disable the import option for Remove Degenerates the checkbox under the materials for "Enable Collision" will be disabled. This only matters if per-poly collision is being used for the mesh ...

Cloth environment collisions with APEX clothing is not thread safe.

This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...

PlatformMediaSources fail to load in the editor.

MIDIDeviceController.h causes compilation errors when included in an external module

When you attempt to access MIDIDeviceController.h in your own project, it'll fail when you include it. This is the main error, while the other is a syntax error: missing type specifier - int assume ...

Hierarchical Instance Static Mesh's array does not reorder itself correctly

When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...

Some settings in a Timeline do not dirty the blueprint upon being changed

When the following settings are changed in a Timeline in a Blueprint, the blueprint is not dirtied, meaning that the changes won't be compiled or saved upon playing or using Save All. Length Use La ...

EQS Context Provide Single Actor Not Saving Updates

Making a change to the Provide Single Actor function in an EQS Context blueprint does not seem to be saving properly. The EQS Testing Pawn will fail to display any test data if you change the bluepr ...

Spelling Error in Rotate to Face BB Entry Node Tooltip

There is a spelling error in the details panel of Rotate to Face BB Entry node in Behavior Trees. The error is in the tooltip for the Precision property. ...