Lucasfilm, 3 years ago.
http://www.starwars.com/news/the-legendary-star-wars-expanded-universe-turns-a-new-pageThat has what exactly to do with the Holiday Special? It is supposed to still be canon, and I stand by that until you provide proof other than various fan writings having been invalidated as we all know. Obviously we shouldn’t keep on that here, unless you have some concise example to offer.
Did you read that article? LFL’s new approach has always been very clear. New canon = episodes I-VI and TCW plus anything made from 2014 on. Where is exactly does the HS fit in there? I’d love to know.