A few on Google Play are reporting this via the Now TV reviews.
One poor review relating to this problem from October 18 received this formal response from SKY:
"Hi Martyn-we're sorry to hear about this issue. Can you try upgrading to the latest version (6.1.1) to see if this solves your Chromecast problem?"
I just checked my Now TV app and I am on 7.6.1? I'm still seeing the issue.
Perhaps more one-star reviews on Google Play will move this issue on.
I have spent time on chat with NowTV for them to tell me i should update the app, i told them its nothing to do with the app. They said they would raise this as an issue.
i pointed them to this post saying its not just me people keep getting disconnected at ad breaks when casting.
i tried to contact the app developers who told me to contact chat. seem to be in a circle can someone raise this to tech and get it sorted? @Tony-D can you raise this we are all having the same problem!!!!
Been having same issue throughout Oct.
Disappointing to see NowTV haven’t resolved this when all Chromecast users are having the same issue.
Definitely cancelling after this month if this is not fixed as it’s really frustrating!