Tom Clancy’s Rainbow Six Siege is an online tactical shooter video game developed by Ubisoft Montreal and published by Ubisoft in 2015. The game puts heavy emphasis on environmental destruction and cooperation between players. Each player assumes control of an attacker or a defender in different gameplay modes, such as rescuing a hostage, defusing a bomb, and taking control of an objective within a room. So, a new update arrived named Y9S4.2 Designer’s Notes a while ago. Check out the Rainbow Six Siege Y9S4.2 update patch notes down below.
Rainbow Six Siege Y9S4.2 Patch Notes

Y9S4.2 PATCH SIZE
Find the download sizes for each platform below.
- Ubisoft Connect: 1.58 GB
- Steam: 1.3 GB
- Xbox One: 1.73 GB
- Xbox Series X: 1.87 GB
- PlayStation®4: 2.27 GB
- PlayStation®5: 1.53 GB
OPERATOR BALANCING
ORYX
- Reduced recovery time when dashing to 0.2 seconds (from 0.5).
- Reduced recovery time when dashing against a wall to 0.3 seconds (from 0.5).
- Reduced recovery time when dashing against an enemy to 0.1 seconds (from 0.5).
KAPKAN
- Removed Nitro Cell.
- Added Barbed Wire.
LESION
- Mines’ refill time increased to 30 seconds (from 25).
- Reduced max. mines to 8 (from 9).
BUCK
- Removed Hard Breach Charge.
- Added Claymore.
RAM
- Removed ITA12S.
SLEDGE
- Reduced Health to 2 (from 3) and increased Speed to 2 (from 1).
WEAPON BALANCING
TCSG12
- Damage: 75hp (from 63).
G36C
- Reduced vertical recoil.
- Reduced lateral recoil.
WEAPON CALIBERS
- Slug’s destruction reduced.
WEAPON CLASSES
- Slug Shotguns’ damage drop off start at 15 meters (from 25).
- Slug Shotguns’ damage drop off end at 25 meters (from 35).
- Slug Shotguns’ damage drop off minimum to 60% (from 70).
BUG FIXES
GAMEPLAY
FIXED – Match doesn’t end when reaching majority of votes to cancel the round.
FIXED – Observation Tools have no signal when deployed on the edge of any surface if the player is moving sideways.
LEVEL DESIGN
FIXED – Red walls denoting defender area restrictions can be vaulted through during the end of the Preparation Phase.
FIXED – Operators are able to move on top of a shed after standing on a bench and forcing collision with a garden gnome in the EXT APC Area on the House map.
FIXED – Hatch isn’t completely destroyed by explosions in 1F Lounge on the Kanal map.
FIXED – Players can move on top of a vending machine using Azami’s Kiba Barrier in 2F Break room on the Border map.
OPERATORS
FIXED – Blackbeard’s Breach ability can be used while in guard break in a specific timing.
FIXED – Rappel hook remains in player’s hand after using Ash’s Breaching Round while rappelling.
FIXED – Blackbeard’s primary weapons statistics compare to the H.U.L.L Deployable Shield instead of each other.
FIXED – Blackbeard’s MK17 CQB’s iron sight clips through the player camera while aiming down sight.
FIXED – “Additional Magazines” and “Magazine Size” are listed as “0” in the Blackbeard’s Loadout menu.
FIXED – Bullet damage disappears from Blackbeard’s H.U.L.L. Deployable Shield when Blackbeard aims down sights.
FIXED – Blackbeard’s H.U.L.L. Deployable Shield breaks guard when Blackbeard dashes and is hit with a melee attack at the same time.
FIXED – Blackbeard’s H.U.L.L. Deployable Shield and equipped weapon isn’t highlighted when Blackbeard spawns on the map when viewed in caster mode.
FIXED – “Enter” prompt allows Osa to breach undamaged barricades while rappelling with the Talon-8 Clear Shield equipped.
USER EXPERIENCE
FIXED – Tachanka’s Elite Slava Korolyu skin isn’t available in the Weapon Skins menu for the Bearing 9 Machine Pistol.
FIXED – Breach Charge information hasn’t been updated to reflect current season changes in the Battle Pass menu.
AUDIO
FIXED – Blackbeard’s sprint SFX is out of sync with the animation.