The Video Submission bug applies to the dedicated Video Submission section of the site. The other issue is for uploading videos to the Community on Desktop (currently working on Mobile) - so to answer your question - partly, yes, it is a community/insiders issue for those browsing on Desktop. 

Graham Marsden Thanks for that shout! I've uploaded it to Youtube and will try posting the link to the Community. The video is 245MB, so well under the 500MB limit for Video Feedback Submission. Michiel van Gerven Weirdly I can't see the same upload/media buttons from my end, I think it's because I was accessing the app from Desktop (which is where I have the file as I had to edit it). It seems like there are missing buttons for uploading files to Community on Desktop (something the devs might want to know about!)Re: the Video Submission page, I just tried uploading again and received the same form error from my original post(ie: "This field is required"). I tried on 2 browsers (Brave and Chrome)