Unreal Engine Issues

When using Drag and Drop UMG, Projects deployed to devices will crash once the UMG is touched and moved

When using Drad and Drop UMG with iOS via the information provide in the forum thread, the project will crash on the device it is deployed to when dragging the UMG ...

Unable to save project due to user created blueprint node that creates user created object

When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...

MaterialInstanceConstant doesn't refresh soft references of non-overridden texture parameter

Observed by a licensee: [Link Removed] When a material instance points to a material, and the material is edited to change a texture and the material and material instance are saved, the material i ...

[CrashReport] Linux crash - TOpenGLBuffer<FOpenGLBaseVertexBuffer, 34962u, &()

This is an infrequent Linux crash that has affected a few users in 4.17.1 Callstack from Log[2017.09.12-17.23.41:651][ 0]LogRHI: OpenGL MajorVersion = 4, MinorVersion = 5, ShaderPlatform = GLSL_43 ...

AppleARKit forces view projection matrix according to device viewport

[Link Removed] ...

Adding a level instance to the persistent level puts its navmesh in the wrong place

DeprojectScreenPositionToWorld has inaccurate behavior in VR

Calling DeprojectScreenPositionToWorld while in VR mode does not project from the center of the Oculus view. Using the results of the call with a line trace will show the line coming off center fro ...

OnKeyDown does not function in packaged game

Pressing down a key for a widget blueprint works in PIE however, it's not functioning once the project is packaged. Project Rar File: [Link Removed] ...

[bug] OIT doesn't work correctly with alpha composite blend mode

When using OIT, AlphaComposite Materials blend as if they are using the Translucent BlendMode. The order of macro #if … #elif cases cause AlphaComposite Materials to take the same route as Transluce ...

Blackboard decorator node does not abort lower-priority nodes

When a branch of a selector is deactivated, all auxiliary nodes and observer delegates are removed. If the branch is reactivated soon and the CurrentActiveNode remains unchanged, the behavior tree l ...