Check out patch notes 11.1.2.4000-4001.
Check out patch notes 11.1.2.2000-2002.
Check out patch notes 11.1.2.1000-1104.
Check out patch notes 11.1.1.3000-3004.
Check out patch notes 11.1.0.1000-11.1.1.1003.
Check out patch notes 11.0.0.9000-9002.
Check out patch notes 11.0.0.7000-7003.