SQL Server 2014 seems to have become a lot more stable i.e this shot list is the entire list of fixes in Service Pack 3, Cumulative Update 3:
• Query plans are different on cloned databases
• CDC source preview fails with an error
• Incorrect query results for columnstore filter pushdowns
• Log reader agent fails after AG failover when trace flag 1448 is enabled
And for the entire list of fixes in Service Pack 2, Cumulative Update 17:
• SQL jobs fail due to blocking in SSISDB
• Fail to join the secondary replica if the database has a defunct filegroup
• Incorrect query results for columnstore filter pushdowns
