Yes, technically it is a rare synonym in British English, but it is what I would consider a word hanging from the cliff edge by its fingertips

https://books.google.com/ngrams/graph?content=obsoletion%2Cobsolescence&year_start=1800&year_end=2022&corpus=en&smoothing=3

This article is just a retread of the same things talked about for years. But boutique Blu-ray is still in a good place; there are more releases i’m Interested in than I keep up with, and particularly more 4K releases than ever.

One signal here is that some popular streaming series are still getting physical releases. Like, I didn’t think I’d see Severance or any of the Disney+ shows on Blu-ray, but here we are.

That said, now is the time to buy a dedicated player if you don’t already have one. Sony and Panasonic make the best ones, so it’s no accident they’re the last two manufacturers standing.

Nit picky: the word is “obsolescence,” not “obsoletion.”