Unreal Engine Issues

Static meshes aren't outlined when selected in Preview Rendering HTML5

When previewing Mobile rendering in the viewport, the outline around static meshes isn't rendered. This does not occur with BSP. ...

AI in network replay often stutter or freeze in place before jumping forward in their replay movement path.

Network replay, on replay demo, will show AI stuttering and jumping forward in their movement path. ...

User's project crashes when changing levels in a packaged game

User's project crashes when changing levels in a packaged game. ...

Widget stops updating during drag and drop operation after dragging

Widget stops updating during drag and drop operation after dragging, if the user is using set text. ...

Vive: VR Template (BP) - Rotating teleport preview will not update with current camera rotation

Character Blueprint Cannot Execute Montage to Play at a Negative Play Rate

While an Animation Montage can be played at a negative play rate in Persona, the user cannot use the Character Blueprint to execute this action. ...

Multiplayer Shootout is broken in 4.12

Multiplayer Shootout is broken in 4.12. Appears to be caused by the AimOffset animations being imported at the incorrect scale. Regression: Yes, does not occur if you create a 4.11 version of the ...

Packaged Build Crashing When Activating Particle System with Instanced Parameters

This crash only seems to be occurring in a packaged game, and it has not been able to be reproduced in a clean project following the steps that the user provided. ...

Particle Cutout feature doesn't work on mobile device(Android)

When you create a particle system using the particle cutout feature the particle will render. However, parts of the particle that were previously removed are now there. ...

Crash when changing the number of instances in a grouped sprite component at runtime

A crash occurs when you remove a Sprite Instance within a Paper Grouped Sprite component of an Actor BP on Event Begin Play. I was able to reproduce this crash in the binary releases of 4.11.2 and ...