Jeffrok...s'cuseme, but some of us with older SD sets actually prefer them to newer, Huger, accidentally-hit-the-screen-and-oops!-it's-replace-it time LCDs. Or plasmas, which I think are far Superior in terms of color rendition. Movies and other programming look wonderfully crisp on old sets, though that's not the reason Roku supported composite output up until now, they realized that there are still Millions of SD TVs out there. Why? Because they're built like tanks, they are repairable rather than replaceable, and many of us can't afford to dump a 20 or 30 year old television and run to Best Buy and pick up a new one, we just would rather actually buy food. However, even though 2018 seems to be the last year that Roku devices will support SD TVs, the fix is simple. Just purchase a 6-Buck HDMI to composite adapter / converter. And, old SD sets can be had for nothing if you look on craigslist or nextdoor; if we're talking about getting more bang for your buck, ain't no price better than free. But of spending a couple hundred bucks to have the latest whiz-bang obsolete-in-a-year-and-a-half TV, well please go ahead.
PS, hey Roku app guys... think you could make the bloody text box a little bit larger? It's really very difficult to deal with it on my Android phone.
PPS. In another post I included a link to contact the head of legal I think regarding accessibility issues. That's the real issue here.