Unreal Engine Issues

Clicking on object causes EndInputTouch to fire on the press instead of the release

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

Selecting components/channels does not display the 3D trajectory

Remote standalone build of a project fails due to incorrect path to project's Info.plist file

Attempting to use UAT on Windows to remotely create a standalone build of a project for Mac fails in 4.19. The error message indicates that it cannot find part of the path to the project's Info.plis ...

Using 'Set Input Mode to Game and UI' and enabling 'Use Mouse for Touch' causes the Mouse to appear in different positions

When using 'Set Input Mode to Game and UI' and enabling 'Use Mouse for Touch' this causes the Mouse to appear in different positions and change the direction the camera is facing. This is a regressi ...

Scene Depth Buffer corruption with VR on AMD GPUs

Depth buffer corruption/artifacts when using VR with certain AMD GPUs Tested with Oculus DK2, User reports with Oculus Rift ...

FBX material IDs from 3DS Max are reordered in automatic LOD generation

This appears to be a UE4 bug in the way it handles the importing of FBX Material IDs from 3DS Max exports.Max uses set Mat IDs to organize multiple materials on a single object.UE4 correctly handles t ...

Blueprint Structure Tooltip Edits Get Discarded

Blueprint Structure tooltip edits get discarded. Current workaround is to make a secondary change that is not needed along with the desired change, Then edit it again to remove the secondary change. ...

Disallow assigning external textures to Slate widgets

External textures cannot be directly assigned as a brush texture; you need to assign a material that samples from an external texture instead since it generates special shader code to access it. ...

ARKit Crash with Session Type: Image

AR app crashes when starting AR session if session type is set to "Image". Also confirmed in Main CL 4346626 ...

Crash When Trying to Set Default Values to a Structure That Includes a Transform Variable

The Editor will crash when trying to set default values to a structure that includes a transform variable. Found in 4.19 C# 4033788, 4.20 CL# 4302132. 4.21 CL# 4347190 ...