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by rgovostes 641 days ago
Exactly what I thought of, too. Was the PS3 the first forced-downgrade?
1 comments

Nowhere near the same level of "forced", but the earliest similar situation I know of was Microsoft issuing an update to MS-DOS that removed the "DoubleSpace" filesystem compression feature due to losing a patent lawsuit [1]. They later introduced another update with a replacement, "DriveSpace", that did roughly the same thing but with an incompatible on-disk format and a modest performance hit.

[1] https://www.latimes.com/archives/la-xpm-1994-02-24-fi-26671-...