So confused about major contents for 8.2 and 8.3.

Lunar and Valentine Skins are not for 8.2 but 8.3 as stated in this tweet

https://twitter.com/RiotLoveStrut/status/950885767357677568?ref_src=twsrc%5Etfw&ref_url=https%3A%2F%2Fdisqus.com%2Fembed%2Fcomments%2F%3Fbase%3Ddefault%26f%3Dsurrenderat20%26t_u%3Dhttp%253A%252F%252Fwww.surrenderat20.net%252F2018%252F01%252F19-pbe-update.html%26t_d%3D%250A1%252F9%2520PBE%2520Update%253A%2520Six%2520New%25201350%2520Skins%252C%2520New%2520Chroma%252C%2520Icons%252C%2520Emotes%252C%2520Lunar%2520Revel%2520Nashor%252C%2520%2526%2520More%250A%26t_t%3D%250A1%252F9%2520PBE%2520Update%253A%2520Six%2520New%25201350%2520Skins%252C%2520New%2520Chroma%252C%2520Icons%252C%2520Emotes%252C%2520Lunar%2520Revel%2520Nashor%252C%2520%2526%2520More%250A%26s_o%3Ddefault%23version%3D8e0609b122e4529350708e7c7b2d6a12

If they set Lunar and Valentine skins for 8.3 and left only Artic Gragras to be featured in 8.2. What is the major content for 8.2 then? Only Artic Gragras and lots of balance changes? but that wouldn't be different than 8.1.

Moreover, Meddler confirmed that "Patch 8.2 by contrast has a full development cycle and there's plenty to be worked on." https://boards.na.leagueoflegends.com/en/c/developer-corner/VNWUk6EE-quick-gameplay-thoughts-january-5

Or Swain might be featured in 8.2? but the PBE has already updated. I'm so confused now.