Unreal Engine Issues

Importing a New Substance Preset will crash the engine

With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...

Crash when launching Google VR project

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

Walking into some destructibles crashes the editor

Submitted by a licensee on UDN. I verified it and have attached the test level that he provided. In the test map. some boxes fall and break. Walking straight into the boxes causes the editor to cra ...

Opening Persona causes editor to crash on Linux

Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...

WP HLOD Crash on Small Cell Sizes

Spline Mesh regression on older iOS phone

Regression with rendering Spline Mesh Components seen on older (5s) iOS device. I did not reproduce a crash with an iPadPro A1701 or an Android Note 4 Confirmed in 4.23 MAIN at CL 6910902 ...

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited.

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited. ...

Slow-rendering thumbnails can be queued up for real-time updates

A licensee is seeing performance drops while using the editor due to a custom thumbnail renderer taking a while to generate thumbnails while Real-Time Thumbnail rendering is enabled, and has request ...

Debug lines can be obscured by post processing effects

Debug lines (Results of DrawDebugLine()) can be obscured by post processing effects such as a strong glare. Debug lines should be always visible for debugging purposes. ...

SunTemple is washed out in one color on some Android devices.

This was discovered during the 4.15 mobile compat. ...