> Even Apple, which IMO has a track record of longer support, has done it with Apple TV recently... This caught my eye because I'm not sure what you mean here

> Even Apple, which IMO has a track record of longer support, has done it with Apple TV recently... This caught my eye because I'm not sure what you mean here -- AFAIK, the current "tvOS" release runs on all Apple TVs released from late 2015 on, and they kept updating the 3rd generation model that came out in early 2012 up to 2019. This still seems to be a pretty good track record, all things considered. (There's a pretty huge CPU jump between the 3rd generation and 4th generation, including a move from 32-bit to 64-bit.) Unrelatedly, though, > I want a dumb TV with good HDMI and other specs, to which I can connect whatever display device I want (or many). I would have loved to have found one of those that also met the 4K HDR requirement I'd set to upgrade from my blissfully dumb plasma set. I'm not unhappy with my my LG OLED by any stretch, but it would be really damn nice if there was a "turn all of WebOS off and just be a TV set" feature.