Rainbow Six: Siege was released on December 1, 2015. Since that date, it is had many updates, changes and new features added.
This page will catalogue all major Rainbow Six: Siege Seasons and Mid-season Reinforcements, such as updates and patch notes. Minor, or outdated, patch notes may not be listed. Click through for additional details to see how Rainbow Six: Siege has changed and expanded over the years since its release.
Ubisoft names each Season within a named year since release, for example the very first season, Operation Black Ice, was named Y1S1 (Year 1, Season 1). There have been 4 seasons each year since release.
| Y4S4 Operation Shifting Tides (Y4S4.0) | December 2019 | New operators added (Kali and Wamai), map rework (Theme Park), QoL updates |
|---|---|---|
| Y4S3 Operation Ember Rise (Y4S3.0) | September 2019 | New operators added (Amaru and Goyo), map rework (Kanal), Battle Passes, new playlist (Unranked) |
| Y4S2.3 | July 22, 2019 (PC); July 24, 2019 (Console) | Balancing, bug fixes, anti-griefing update |
| Y4S2.2 | July 9, 2019 (PC); July 16, 2019 (Console) | AFK kicking update, bug fixes, QOL updates |
| Y4S2.1 | June 21, 2019 (PC); June 27, 2019 (Console) | Bug fixes, player comfort update |
Y4S2 (Y4S2.0) | June 11, 2019 | New operators added (Warden and Nokk), Map rework (Kafe Dostoyevsky), Reverse Friendly Fire |
Y4S1.3 | April 16, 2019 (PC); | Balancing, bug fixes |
Y4S1.2 | April 4, 2019 (PC); | Bug fixes |
Y4S1.1 | March 19, 2019 (PC); | Bug fixes |
Y4S1 Operation Burnt Horizon | March 6, 2019 | New operators added (Mozzie and Gridlock), new map added (Outback), Newcomer playlist |
Y3S4.2 | February 5, 2019 (PC); | Balancing, bug fixes |
Y3S4.1 | December 17, 218 (PC); | User Experience, balancing, bug fixes |
Y3S4 Operation Wind Bastion | December 4, 2018 | New operators added (Kaid and Nomad), new map added (Fortress) |
Y3S3.2 | October 29, 2018 (PC); | Balancing, bug fixes |
Y3S3.1 | September 18, 2018 (PC); | Bug fixes, Team Kill Ban adjustment |
Y3S3 Operation Grim Sky | September 4, 2018 | New operators added (Maverick and Clash), Map rework/redesign (Hereford Base), map buff (Consulate) |
Y3S2.2 | July 23, 2018 (PC); | Advanced Drone Deployment, balancing, bug fixes |
Y3S2.1 | June 20, 2018 (PC); | Bug fixes |
Y3S2 Operation Para Bellum | June 7, 2018 | New operators added (Maestro and Alibi), new map added (Villa), map buff (Clubhouse), balancing changes |
Y3S1.2 | May 1, 2018 (PC); | Balancing, bug fixes |
Y3S1.1 | March 20 (PC); | Bug fixes |
Y3S1 Operation Chimera | March 6, 2018 | New event (Outbreak), new operators added (Lion and Finka) |
Y2S4.2 Mid-Season Reinforcements | January 23, 2018 (PC); | Balancing, operator changes, bug fixes |
Y2S4.1 | December 14, 2017 | Bug fixes |
Y2S4 Operation White Noise | December 5, 2017 | New operators added (Vigil, Dokkaebi and Zofia), new map added (Tower), gameplay tweaks (pistol and grenades) |
Y2S3.2 Mid-Season Reinforcements | October 27, 2017 | Operator reworks (Kapkan, Blitz and Ela), network improvements, bug fixes |
Y2S3.1 | September 19, 2017 | Bug fixes |
Y2S3 Operation Blood Orchid | September 5, 2017 | New operators (Ying, Lesion and Ela), new map (Theme Park), final Operation Health improvements (see Operation Health for more information) |
Y2S2.2 | August 9 ,2017 | Added Dedicated Server support, bug fixes |
Y2S2.0/1 Operation Health | June 7, 2017 (PC); | Operation Health launch; Matchmaking improvements, hitbox rework, operator tweaks, bug fixes |
Y2S1.3 | April 19, 2017 | Bug fixes |
Y2S1.2 Mid-Season Reinforcements | March 15, 2017 | Operator rework (Glaz – added thermal scope), bug fixes |
Y2S1.1 | February 21, 2017 | Bug fixes |
Y2S1 Operation Velvet Shell | February 7, 2017 | New operators added (Jackal and Mira), new map added (Coastline) |
Y1S4.3 | January 11, 2017 | Bug fixes |
Y1S4.2 Mid-Season Reinforcements | December 15, 2016 | Operator rework (Tachanka – shield attached to LMG), Bartlett University added to multiplayer (previously only available in Situations), operator tweaks, balancing |
Y1S4.1 | November 22, 2016 | Vote-Kick system changes, bug fixes |
Y1S4 Operation Red Crow | November 17, 2016 | New operators added (Hibana and Echo), new map added (Skyscraper), balancing |
Y1S3.3 | October 12, 2016 (PC); October 25, 2016 (Console) | Network improvements, Anti-Bullying System added, bug fixes |
Y1S3.2 Mid-Season Reinforcements | September 13, 2016 | Operator reworks (Twitch & Doc buffs, Blackbeard nerf), Impact Grenades, Muzzle Brake and Extended Barrel added |
Y1S3.1 | August 25, 2016 | Pulse and Shotgun balancing, bug fixes |
Y1S3 Operation Skull Rain | August 2, 2016 | New operators added (Caveira and Capitao), new map added (Favela), anti-cheating system added |
Y1S2.4 | July 13, 2016 | Balancing, bug fixes, team-killing punishments expanded |
Y1S2.3 | June 21, 2016 | Operator tweaks (Kapkan and Mute buffs), balancing, bug fixes, team-killing punishments added |
Y1S2.2 | May 31, 2016 (PC); | Balancing, bug fixes |
Y1S2.1 | May 11, 2016 (PC); | Bug fixes |
Y1S2 Operation Dust Line | May 10, 2016 | New operators added (Blackbeard and Valkyrie), new map added (Border), massive balancing changes/operator tweaks |
Y1S1.3 | March 30, 2016 (PC); | Balancing, bug fixes |
Y1S1.2 | March 1, 2016 (PC); | Anti-cheat countermeasures added (Report Player, kill-cam added to Ranked), spawn-killing countermeasures (spawn points adjusted), balancing, bug fixes |
Y1S1.1 | February 11, 2016 (PC); | Balancing, bug fixes |
Y1S1 Operation Black Ice | February 2, 2016 | First new operators added (Frost and Buck), first new map added (Yatch), balancing |
1.3 | January 13, 2016 (PC); | Hit reg improvements, anti-cheat improvement, balancing, bug fixes |
1.2 | January 7, 2016 (PC); | Bug fixes |
1.1 | December 16, 2015 | Ultra-HD Textures released for PC, team-killing countermeasures added (auto-kick), balancing, bug fixes |
1.0 Rainbow Six: Siege | December 1, 2016 | Rainbow Six: Siege Released |
