Smissmas 2018 added literary same ammount of content as Blue Moon Pack, Summer 2019 Pack, Rainy Day Pack or Mayflower Pack. They only thing that update added was 1 case with only community made items. Its not even listed on major update page but is in Nav?
Talk:Smissmas 2018
Not sure which updates/events you are referring to as Smissmas 2018 doesn't seem to match what you are saying here.
FWIW, we have overloaded "Major Update" to refer to both the "Event" (each one "major") and the main content Patch for the Event. All the Scream Fortress 2017 Patch added was just a case. However, the Event itself was a "major" as Scream Fortress 2016 and Scream Fortress 2018, having all of the same Event features, but also had the major introduction of Halloween Contracts. That said, its there anything that generally makes Smissmas an Event other than activation of Noise Maker - Winter Holiday?
Even if the Patch is trivial, there is still the Event to acknowledge.
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