Blizzard sent out the following

 

‘Tis the season for snow-topped payloads and winter festivities! Winter Wonderland 2019 is now live on PC, Xbox One, PS4, and Nintendo Switch. Brand new rewards are available this year, so don’t forget to log in from December 10 to January 2 to deck the halls of your cosmetic collection!

NEW GAME MODE: SNOWBALL DEATHMATCH

  • This year’s Winter Wonderland event ushers in a new mini game mode, called “Snowball Deathmatch.”
  • This is an 8-player free-for-all deathmatch where everyone will play as Mei with a modified Mei snowball gun, similar to the one from Mei’s Snowball Offensive.
  • Mei will get a new ability in this game mode, called “Catch” – allowing you to catch an enemy snowball and, if successful, adding it to your ammo count.
  • The first player to get to 15 eliminations wins!

WEEKLY CHALLENGES

  • Weekly Challenges are back for Winter Wonderland, allowing you to unlock limited-time rewards by winning nine games.
  • Rewards include an array of player icons, sprays, and Epic skins!
    • Week 1: Ugly Sweater Soldier:76 (Epic)
    • Week 2: Holly Moira (Epic)
    • Week 3: Snow Angel Mercy (Epic)

NEW COSMETICS

  • 4 Legendary Skins

    • Jotunn Doomfist
    • Mountain Man McCree
    • Rat King Reaper
    • Rime Sigma
  • 3 Epic Skins

  • Player Icons, Sprays

Will you be taking part?