HI,
Nimble pass-through CEA-608 markers with and without transcoder. There is a setting in encoder to pass-through CEA. For transmuxing it will pass CEA by default without any settings.
As far I reacall SCTE-35 data passed through separate transport stream and Nimble just ignore it for now. We're planning to start working on ADs on the next week so if you want to participate in this initiative please contact us via https://wmspanel.com/contact and provide your case description is mpegts live stream for tests.
Thank you !