Unable to open Unreal Engine after cleaning project in XCode

UE - Platform - Apple - Aug 31, 2020

When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...

DefaultToSelf on a TScriptInterface parameter does not default correctly

UE - Gameplay - Blueprint - Aug 31, 2020

This issue seems to stem from the incorrect constructor being called for TScriptInterface, so the correct Interface pointer does not get called. If you explicitly connect a reference to "Self" to ...

Launching Android project to device results in Assertion Failed: AsyncLoading.cpp, Line 3710

UE - Platform - Mobile - Aug 31, 2020

After updating to 4.25.1 from 4.25 Packaged Android game crashes constantly with objects added to the map 4.25 Packaged game did not crash (editor did a lot but glad thats fixed in 4.25.1) Empty map ...

Gamepad "A" and directional-pad keys are not detected

UE - Editor - UI Systems - Aug 31, 2020

Gamepad "A" and directional-pad keys are not detected when used within a sub widget. Test project link: [Link Removed] ...

Tile Streamed in Temporarily has Stepping on Landscape

UE - Graphics Tools - Terrain - Landscape - Aug 28, 2020

This was reported in a UDN. Jeremy M. originally pointed out that the stepping looks to be caused by high res geometry sampling a low res heightmap. Additional observations:Loading the tile in w ...

Lighting channels on static mesh doesn't change correctly at runtime

UE - Graphics Features - Aug 28, 2020

If call SetLightingChannels in blueprint to set a static mesh's lighting channels at runtime, the mesh in the viewport seems can't update to the new lighting channel setting.  A weird thing is, if ...

Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable

UE - Gameplay - Blueprint Editor - Aug 28, 2020

After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...

Parameterized Vector4 is treated as Float3

UE - Graphics Features - Aug 28, 2020

A Parameterized Vector4 are being treated as Float3. This prevents users from being able to use Vector4s in an If node during runtime. This is seen as far back as //UE4/Release4.22 cl 8065155 so th ...

Engine crashes after editing a struct variable in use.

UE - Gameplay - Blueprint - Aug 27, 2020

After editing any struct variable in use such as adding, removing, or editing, and then compiling afterward the engine crashes. Sometimes it crashes after a few seconds. ...

Material Billboard Component doesn't respect screen size when taking into account Camera FOV and AR

UE - Platform - XR - Aug 27, 2020

Material Billboard Component skews when Camera's Aspect Ratio is changed, and varies in size with changes to the Camera's Field Of View. Reported in version 4.25.3 (CL-13942748) and tested in versi ...