Is this author referring to the Despecialized Editions, or is he referring to something else?

“But if you want to see high-quality versions of the original Star Wars trilogy as it appeared to audiences in the late 1970s and early 1980s, with some visual effects mistakes from the old versions fixed without anything else being changed, then they are out there.” https://www.starwarsnewsnet.com/2019/03/disney-acquired-fox-star-wars-meaning.html

And to what is this author referring to?

“Unaltered versions of the original trilogy are available — but, because they’re out of production, they’re not available through official channels.” https://www.inverse.com/article/3942-why-finding-the-original-1977-star-wars-verges-on-the-impossible