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4.12 - Skylight breaks translucency

In 4.11 my glass material was translucent alt text

In 4.12.5 it is much more opaque. I did not change anything on the material or skylight. alt text

The skylight is definitely causing it to look more opaque in 4.12.5. When I disable it, the glass doesn't look opaque. Here are my skylight settings.

alt text

I have created a clean 4.12.5 example project and hope that this will expedite a patch. https://github.com/erebel55/SkylightTranslucencyBug

Product Version: UE 4.12
4.11.png (1.0 MB)
4.12.5.png (617.8 kB)
skylight.png (50.2 kB)
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asked Jul 15 '16 at 06:02 PM in Bug Reports

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Hi erebel55,

I do see where this was broken in 4.12.x with Skylights as well for translucent materials compared to 4.11.2, When I checked my sample project that I made with 4.11.2 with our internal build of 4.13 this looks to be resolved already.

Currently, there are no additional hotfixes that I'm aware of for 4.12 so this shouldn't be an issue once 4.13 is released towards the end of August or Early September. The previews should be starting a little bit before then for testing purposes.

Thank you!


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answered Jul 18 '16 at 07:52 PM

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Tim Hobson ♦♦ STAFF
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