How to achieve effect of octane2018 film layer inoctane2020？

[WangJingyun]

Hello everyone, I found that the film layer effect of octane in the latest version is completely different from that of the 2018 version.
I want to know, how to achieve the effect of octane 2018 version in the latest version of octane?

I don’t know how to add pictures, so I added attachments
thank you very much!

[bepeg4d]

Hi,
please upgrade to 2020.2.3, and report back.
You can find it by visiting your personal Downloads area:
https://render.otoy.com/account/download_archive.php

Film layer with Specular material seems to work as expected in 2020.2.3:

Please avoid cross-posting, I have already answered you here:
viewtopic.php?f=9&t=77438#p399205

ciao Beppe