Calling functions that have an implicit WorldContextObject parameter in a Blueprint function library will give a compile error about a missing __WorldContext pin

UE - Gameplay - Blueprint - May 21, 2015

Calling functions that have an implicit WorldContextObject parameter (line trace, execute console command, etc) in a Blueprint function library will give a compile error about a missing __WorldConte ...

Variables can no longer be set as a DataTableRowHandle type

UE - Gameplay - Blueprint - Sep 14, 2015

Variables can no longer be set as a DataTableRowHandle type. The option is no longer available in the Variable Type dropdown. This is a regression: this was possible in 4.7.6. Reproduced in 4.8.3 b ...

Can't PIE or Save: Editor gets into odd state when editing parameters.

Tools - Jul 20, 2016

I've seen this happen in other areas of the editor as well: Data Table fields (floats) for example. Manually typing in numbers to fields seems less prone to this error; using spinners to drag value ...

Crash attempting to drive a Pawn with no torque

UE - Simulation - Physics - Oct 24, 2016

Crash occurs when the user attempts to drive a non-Vehicle pawn (using a Vehicle Wheel Movement component) with the Torque Curve flattened to 0. I was not able to reproduce this crash when I tried ...

Expose 'WorldUp' direction for CableComponents

UE - Gameplay - Oct 13, 2015

When the Cable component is set to specific rotations it will no longer render the cable actor that is attached to a mesh. Image is attached with multiple setups. Workaround to get it to render: ...

DataAssets with a field called "Name" can cause multiple Name columns to appear in the content browser

UE - Editor - Content Pipeline - Content Browser - Jul 18, 2017

A DataAsset with a FText property called "Name" will confuse the content browser, causing it to create a new column each time the folder containing the DataAsset is entered. This appears to be a cor ...

Image widget does not scale the inner borders correctly

UE - Editor - UI Systems - Oct 24, 2014

When Scaling in and out in the UMG blueprints with an image applied to an image widget that is set to border as it's "Draw as" selection the image does not scale correctly. EDIT: The UI should prev ...

Prompt for camera permissions when running Google VR plugin

UE - Platform - XR - Mar 7, 2018

Need to update these UDN threads when the issue is fixed. https://udn.unrealengine.com/questions/401360/ios-shipping-build-crash.html https://udn.unrealengine.com/questions/428225/about-ios-ship-b ...

Tiled Landscape LOD doesn't work with World Origin Rebasing

UE - LD & Modeling - Terrain - Landscape - Apr 26, 2018

Using the Landscape LOD system with World Origin Rebasing causes the LODs on the landscape to mess up. This only appears with imported tiled landscape where the main actor is in the persistent level ...

AssetManager does not correctly call delegates if bShouldUseSynchronousLoad is true

UE - Gameplay - Oct 3, 2018

There's a bug in UAssetManager::LoadAssetList where the passed in DelegateToCall is not being called in the bShouldUseSynchronousLoad case. This can cause gameplay logic to fail when that bool is tr ...