if it can upscale 1080 ti 4k, does that mean I don’t need my 4k collection anymore? It sounds too good to be true.
Because it is. While it does do a decent job upscaling, it's not some magical thing. Keep the 4k, and be pleasantly surprised when older content looks nice on the larger display.
honestly it’s baffling that I’ve spent 30 years on the internet and can understand so little of it
100% agree.
Honestly, I had to google it, too :D
As far as I know, they mean "Personal Video Recorder" in a fashion similar to "DVR"/"Digital Video Recorder" like the one your cable company provides. It's a little misleading, imo, because it doesn't do any recording, but I didn't come up with the name, so who knows.
Sonarr (and the other 'arrs) is just a management tool. From the servarr wiki:
Sonarr is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them. It can also be configured to automatically upgrade the quality of files already downloaded when a better quality format becomes available.
At a high level, you tell it where your current tv show episodes are saved, and add new shows as you want. It then automates the process of searching and downloading. But you still need to have an indexer and download client. If you're not able to find shows searching your current tracker/indexer, Sonarr won't have any better luck.
Finding a good source of the media you want is the most important part. If you're not comfortable with installing and managing your own server applications, the *arr stack could be overwhelming at first. The wiki I linked has a lot of good information to get you started.
The android tv app is why I switched to Emby. I mostly liked jellyfin everywhere except the one place I would use it the most.
A few of the fixes for things that strongly turned me off were added as feature requests, but the devs seemed to blow them off as unnecessary or "impossible" (even though the "impossible" is done in every other android tv app, including Emby). Their perceived attitude really turned me off of it.