Rainbow Six Siege Patch Notes: Latest Update (Sep 23, 2026)
Nick Guli|The latest Rainbow Six Siege update is “Y11S3.1 PATCH NOTES”, shared on Steam on Sep 23, 2026. This update brings some important changes to Buck, Castle, Fenrir, Maestro, Thermite, and Sledge. You can also expect damage boosts for the M1014 and SPAS-15. The bug fixes mainly target Noor’s Horus Lance interactions with other Operators and gadgets. Additionally, there are fixes for map issues, team color settings, and squad reconnection.
What changed in Y11S3.1
Operator refinements
- Buck: Skeleton Key total ammo increases to 36 (was 31).
- Castle: Armor Panel now takes 10 melee hits to destroy (was 9).
- Fenrir: F-NATT Dread Mine gas reaches maximum range in 1.9 seconds (was 2 seconds).
- Maestro: Evil Eye battery life increases to 9 seconds (was 8 seconds).
- Thermite: Exothermic Charge damage increases to 220 hp (was 200 hp).
- Sledge: Breaching Hammer swing time drops to 0.8 seconds (was 1 second).
Weapon changes
- M1014 damage increases to 30 hp (was 28 hp).
- M1014 is used by Ace, Castle, Pulse and Thermite.
- SPAS-15 damage increases to 26 hp (was 24 hp).
- SPAS-15 is used by Caveira and Thunderbird.
Gameplay bug fixes
- Fixed the random "Remove Horus Lance to perform action" tip.
- Fixed Attacker spawn locations on the House tactical map not being aligned or scaled properly.
- Fixed a blank camera screen at the end of the round at Villa Basement bombsite.
- Fixed the wrong compass location on the Consulate map when entering 2F Manager's Office.
- Fixed a question mark icon replacing the Operator icon in the Team Deathmatch kill feed.
Operator bug fixes
- Fixed many Horus Lance issues, including Montagne's Le Roc Shield auto-retracting and shield Operators being unable to throw devices.
- Fixed players swapping to a secondary gadget or removing the Horus Lance while holding one.
- Fixed Horus Lance flames going the wrong way on Blackbeard's shield while rappelling.
- Fixed Ying's Candela not deploying when hit by Horus Lance flames.
- Fixed Operators continuing to move when hit by Noor's Horus Lance.
- Fixed Alibi's Prisma decoys occasionally facing the wrong direction.
User experience fixes
- Fixed Match Replay resetting changed team colors to default.
- Fixed the C4 Detonator showing as white when team colors are changed.
- Fixed Shooting Range teammates not following the Squad Leader into a Custom Online Lobby.
- Fixed Squad players being unable to reconnect to an ongoing match after disconnecting.
Read the full official patch notes on Steam.
Recent Rainbow Six Siege updates
| Date | Update | What it does | Source |
|---|---|---|---|
| Sep 23, 2026 | Y11S3.1 PATCH NOTES | Y11S3.1 makes small balance refinements to several Operators and two shotguns, and fixes bugs in gameplay, Operators and user experience. | Official notes |
| Sep 1, 2026 | Y11S3 PATCH NOTES ADDENDUM | This addendum lists bug fixes made during the Y11S3 Season Test Server, covering gameplay, operators, user experience and audio. | Official notes |
| Aug 4, 2026 | Y11S2.3 PATCH NOTES | Y11S2.3 adjusts six operators, the Impact EMP Grenade and the Reaper MK2 recoil, and fixes gameplay and user experience bugs. | Official notes |
| Jul 14, 2026 | Y11S2.2 MID-SEASON PATCH NOTES | The mid-season patch brings mouse and keyboard to consoles, updates Arcade 1v1 Bomb, rebalances several Operators and fixes gameplay and voice chat bugs. | Official notes |
| Jun 30, 2026 | COMMUNITY CHECKPOINT #3 RECAP: RANKED 3.0, DOKKAEBI UPDATES & MORE | The Community Checkpoint #3 recap covers Ranked 3.0 adjustments, Dokkaebi balance plans, Calypso Casino map exposure, and the return of the 1v1 Playlist. | Official notes |
| Jun 25, 2026 | Y11S2.1 PATCH NOTES | Y11S2.1 adds a Dokkaebi cooldown, tunes ten Operators and gadgets, and fixes bugs across gameplay, maps, Operators, audio and user experience. | Official notes |
| Jun 2, 2026 | Y11S2 PATCH NOTES ADDENDUM | Official notes | |
| May 5, 2026 | Y11S1.3 PATCH NOTES | Official notes | |
| Apr 14, 2026 | Y11S1.2 PATCH NOTES | Official notes | |
| Mar 24, 2026 | Y11S1.1 PATCH NOTES | Official notes | |
| Mar 3, 2026 | Y11S1 PATCH NOTES ADDENDUM | Official notes |
How often does Rainbow Six Siege get updated?
Rainbow Six Siege has had 4 patch announcements on Steam in the last 90 days and 11 in the past year, roughly one every 20 days.
Rainbow Six Siege patch notes FAQ
When was the last Rainbow Six Siege update?
The most recent Rainbow Six Siege update is "Y11S3.1 PATCH NOTES", posted on Steam on Sep 23, 2026.
What changed in the latest Rainbow Six Siege patch?
The update applies refinement changes to Buck, Castle, Fenrir, Maestro, Thermite and Sledge, plus damage increases for the M1014 and SPAS-15. Bug fixes focus heavily on Noor's Horus Lance interactions with other Operators and gadgets. Other fixes cover map issues, team color settings and squad reconnection.
How often does Rainbow Six Siege get patched?
Rainbow Six Siege has had 4 patch announcements on Steam in the last 90 days and 11 in the past year, roughly one every 20 days.
Where can I read the official Rainbow Six Siege patch notes?
The developer posts full patch notes on the game's Steam news page. We link each one in the table above.
More on Rainbow Six Siege
- Rainbow Six Siege stats, news and reviews
- Rainbow Six Siege player count: is it dead?
- Is Rainbow Six Siege cross platform?
- Rainbow Six Siege news on Steam
How we write these: Explosion summarizes the developer’s official Steam announcements and links the original notes. This page checks for new patches several times a day.
Nick Guli
Nick Guli is the founder and editor-in-chief of Explosion.com, which he launched in February 2012. With over a decade of experience in digital publishing, Nick oversees editorial direction across entertainment, gaming, technology, and lifestyle content. He is an avid gamer and movie enthusiast who brings a critical eye to coverage of industry trends, game reviews, and entertainment news.
