Operation System Override is the second season of Year 11 in Rainbow Six Siege, and it switches on for every region at the same time. The update drops worldwide on Tuesday, June 2, 2026, on PC, PlayStation, and Xbox at once.
Quick answer: Operation System Override unlocks at 1 pm UTC on June 2, 2026. That is 6 am PT, 8 am CT, 9 am ET, and 2 pm BST. Update your game client at that time to access the new content.
Release time: June 2, 2026 at 1:00 PM UTC

Operation System Override start time for all regions
The launch is simultaneous, so there is no staggered rollout by territory. Convert the single global moment to your local clock using the table below.
| Region / Timezone | Start time (June 2, 2026) |
|---|---|
| Pacific (PT) | 6:00 AM |
| Central (CT) | 8:00 AM |
| Eastern (ET) | 9:00 AM |
| UTC | 1:00 PM |
| British (BST) | 2:00 PM |

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Add to Google Preferences →How to confirm Operation System Override is live
You know the season has gone live once a patch is available for your platform and the in-game menus reflect the new content. Until you download and install that update, you will not see the reworked operator, the new map, or the new weapon.
If the new content is missing, the most common reason is that the patch has not finished installing or your client is still on the previous version. Restart the storefront or launcher to force the update check.

What’s included in Operation System Override
Year 11 Season 2 does not add a brand-new operator, but it carries a heavy slate of changes to existing systems. The headline items are a full Dokkaebi remaster, a new Calypso Casino map inspired by an older Rainbow Six title, and the rollout of Ranked 3.0.
| Addition | Detail |
|---|---|
| Dokkaebi remaster | Reworked enough that she plays like a new operator |
| Calypso Casino | New map with tactical layouts for both sides |
| Ranked 3.0 | Overhaul that removes unpopular Ranked 2.0 features |
| XK23 Assault Rifle | New weapon available in the season |
| Modernized maps | Reworks to several older maps |
| Balancing update | Major operator balancing changes |
| Mouse & keyboard on console | Arriving mid-season for PlayStation and Xbox |
| Battle pass | New pass with unlockable cosmetic items |
| Rotating trial operators | Operators players can try on rotation |
Mouse and keyboard support for console players is the one feature flagged for mid-season rather than launch day, so it will not be present the moment the update goes live on June 2.

Once the patch is downloaded on your platform of choice, jump in to test the Dokkaebi rework and the Calypso Casino map first, since those are the two changes most likely to reshape how matches play out this season.






