# Build 3.20 available for download

**URL:** <https://forums.chaos.com/t/build-3-20-available-for-download/53971>\
**Category:** Announcements\
**Created:** [May 29, 2015, 4:58pm UTC](https://forums.chaos.com/t/build-3-20-available-for-download/53971 "2015-05-29T16:58:09Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![dlparisi](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/dlparisi/32/14236_2.png) [@dlparisi](https://forums.chaos.com/u/dlparisi)\
**Post date:** [June 2, 2015, 4:29pm UTC](https://forums.chaos.com/t/build-3-20-available-for-download/53971/32 "2015-06-02T16:29:06Z")

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> [@The Kama](https://forums.chaos.com/t/the-kama/47689/2):
>
> I’d STRONGLY encourage you guys to try out an LC/LC render of some simple, diffuse-only, interior scene, with and without “leak prevention” on.  
> What you will see will make you smile, I’m sure.

I’m not sure how it’s supposed to work but for me it’s certainly not helping the scene…

All I get are black splotches around all of my edges. Admittedly it’s not a “simple” scene but what’s the point otherwise. This is after a full reset of vray and just switching the Primary GI to LC. What am I missing?

 ![LC-LC Test.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/8/5/853d5293f75d238341f435157bcc0b436c397ab4.jpeg)

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