The specific patch notes focus on helping low pick operators climb back up through subtle changes. On top of that, players can now report disconnected players in the post-action report.
Outside of in-game changes, the Rainbow Six Siege Y6S2.2 patch finally add the new Favela to ranked and unranked playlists. Another shotgun in the TCSG12 for Kaid and Goyo got a damage boost of 6 to empower to help increase pick rates. Maestro and Alibi receive indirect buffs with a damage increase of 10 to the ACS12 shotgun. The official Rainbow Six Siege patch notes for Y6S2.2 got announced this morning and already released, including big updates like buffs to the reworked Tachanka and reworked Favela map moving around.