Dota 2 Update – August 21st, 2017

    Patch notes

  • Fixed a server crash that could happen in the later phases of the Siltbreaker boss fight.
  • Fixed the exit door in The Odobenus Onslaught sometimes blocking players after the quest was already complete.
  • Small position fix to the Bans container when spectating regular games.
    Siltbreaker

  • Observer and Sentry Wards are no longer purchasable.
  • An entry for a invisible dummy unit with true sight has been added.
  • Bosses are now invulnerable until they are aggro’ed.

(From Dota 2 Updates changelog – http://www.dota2.com/news/updates/31870/)
More info at August 21, 2017 Patch – Dota 2 Wiki.

Update size: 170,8 MegaBytes