I'm not sure that's true. I would love it if so! https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-cons

I'm not sure that's true. I would love it if so! https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/longevity-recordable-cds-dvds.html https://www.canada.ca/en/conservation-institute/services/con... Just one article discussing it. Do you have a source to back this up? M-DISCs are getting hard to purchase these days, and I have a lot of stuff I want to put on them which I likely will want to look at in 30 years.