Unreal Engine Issues

Uncompressed Lightmaps rendering incorrectly in HTML5

When using uncompressed Lightmaps in HTML5, the lighting is rendered incorrectly. Using (the default) compressed lightmaps, generates no error. Also reproduced in Main Promotable-CL-2487422 (Enscr ...

Metallic Setting is not passed through Material Function in Feature Level ES2

When a metallic input is passed into a material via a material function and previewed in ES2, the metallic is always returns 0 in the material. Also reproduced in Main Promotable-CL-2490775 [Image ...

Tessellation doesn't render in certain levels of ContentExamples with Intel4600

Tessellation will not be rendered in the examples inside of the Material_Nodes and Material_Properties levels of Content Examples. ...

Stop using power of 2 RTs for landscape edit layers

Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...

Modifying an H/ISM instance will cause selection highlights to be inaccurate

Exposure Is More Extreme In High-End Mobile Preview Modes

In high-end mobile preview modes the exposure will return much more exaggerated results. This is related to the new default tone mapper settings since changing r.TonemapperFilm to 0 solves the issue ...

WorldContextObject is null in BP function library

422 YUV To RGB Conversion produces incorrect result

World Delta seconds appears to Cause a miss calculation (regression 4.12.3 -> 4.12.4)

If the user uses world delta seconds in a calculation there appears to be some incorrect values. Note there is also a users project attached if you would like to look at that example. ...

Stereo layer appears to move when used with the Oculus Rift

Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...