Unreal Engine Issues

Hot reloading newly created C++ project compiles modules

This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...

Certain dropdowns in the Menu Bar are missing sections on Mac when expanded

This only affects certain dropdowns and only occurs when the editor is open. Also occurs in 4.15.2 This has been seen on the following macs:AMD R9 M395 iMac running Sierra 10.12.5 ...

Spline Mesh With Negative Start and End Scale Has Broken Lightmap

When you have a negative start and end Scale for a spline mesh the resulting lightmap that gets baked for the mesh will be incorrect. ...

Project breaks if Online Subsystem plugin is disabled

Disabling Online Subsystem prevents the project from loading. On Windows, this produces an error shown in attached screenshot. On Linux, this causes a crash with the attached callstack on project ...

[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly

This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...

Collision does not appear to work in a packaged game after nativizing child assets

Collision does not appear to work in a packaged game after nativizing child assets. Collision appears to change in a package project after setting Nativize assets to Inclusive. ...

VR Mode: Selecting an Actor with a Camera attached causes the Camera to render a black square in right eye of HMD

Selecting an Actor with a camera attached to it, be it a player pawn, static mesh, or other actor, causes the camera view to render a black square in the right eye of the HMD ...

Instance of BP actor remains in Viewport after undoing create actor

I was only able to reproduce this with BP actors. In the attached image I also tried to do it with a Basic > Cone, but was not able to repro it. In the instance of the warning above I used BP_AnimB ...

Components lose transform values in the new instance after copy and paste

Warnings appear when playing a Sequence while in PIE

While executing [Link Removed] Sequencer - Recording - Basics - Template – attempting to view a recorded sequence while in PIE triggers a set of warnings each time the play button was pressed. LogUO ...