Rainbow Six Siege Year 8 Season 4, Operation Deep Freeze, was listed by Ubisoft for November 2023. A community post reported maintenance beginning on December 6, 2023, at 14:00 UTC (09:00 ET), but that is a maintenance start time—not a confirmed time when the update became playable.
When did Rainbow Six Siege Y8S4 release?
Ubisoft identified Operation Deep Freeze as Year 8 Season 4 and listed its release month as November 2023. The season listing gives no specific launch day. A Rainbow Six community post later reported maintenance for December 6, 2023, starting at 14:00 UTC (09:00 ET). Because the sources give different levels of timing detail, the November month listing and the December maintenance report should not be treated as equivalent: the latter is a reported maintenance start, not proof of the exact public release or unlock time. Ubisoft’s season listing · Community maintenance post
What did Operation Deep Freeze add?
Tubarão and the Zoto Canister
The season introduced Tubarão, a Portuguese Defender. His throwable Zoto Canister creates a cold zone that slows attackers and temporarily disrupts affected devices. Ubisoft’s season listing · Ubisoft’s Operation Deep Freeze update page · Ubisoft News
Lair and other changes
Operation Deep Freeze added Lair as a new Ranked map and also brought changes to playlists, training, and other game features. Ubisoft’s season listing · Ubisoft’s Operation Deep Freeze update page
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How large was the Y8S4 update?
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