[Paul R.]

Has DVD degradation with time improved in the last 10 years? I’ve not really followed that... Granted it has not been a big issue — I think — maybe I should be checking all my old CDs?

[Spktyr]

Archival quality DVD-Rs are good for 50-100 years when properly stored.

https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/longevity-recordable-cds-dvds.html