Zay wrote:You are right. Did several tests again and this time it worked. Would like to get that confirmed though before using 2018.1.
Well I can confirm, I don't have any issue switching my scenes back from 2018.1 to V4.
Obviously you won't be able to use 2018.1 features in V4 like cryptomate passes,
but the few specific nodes and settings of Octane 2018.1 are just not loaded in V4, without messing up the scene.