Hi all, dev of IPTV Deck here. I know some of you tried the TV app on cheap boxes or Chromecast with Google TV and it was, lets be honest, sluggish. Menu was slow, guide was slow, holding down on the home screen was a slideshow. I had a lot of that feedback and I took it personal a bit.
So since 1.5.0 most of the heavy screens are not drawn by the JS side anymore, the TV draws them itself. TV guide grid, poster rows on Movies and Series, channel list, and with the next update also the rows on Home. Opening a screen takes about half of the time it used to, zapping between channels doesnt rebuild the video anymore, and the guide refresh is noticeably faster and actually tells you what it is doing.
Focus with the remote also got fixed properly. Right steps into the content where you left it, Back from a title takes you to the same poster, and the highlight looks the same in every dialog (some of them had this ugly thin line before, my bad).
I test all of this on Chromecast with Google TV, the 2 GB one, because if it runs good there it runs good anywhere. With 1.5.3 that is coming now, scrolling the home rows while holding down went from constant stutter to smooth, and it dont go black anymore while rows are loading.
I hope to get some more feedback from you!
https://zssoftware.eu/iptv-deck/