Update Rollup 2 for Operations Manager 2016 has been released. You can access information about this update from Microsoft Support Page. Also you can download updates from Update Catalog.
Update Rollup 2 for Microsoft System Center 2016 – Operations Manager WebConsole (KB3209591) (ENU)
Update Rollup 2 for Microsoft System Center 2016 – Operations Manager Server (KB3209591)
Update Rollup 2 for Microsoft System Center 2016 – Operations Manager Gateway (KB3209591)
Update Rollup 2 for Microsoft System Center 2016 – Operations Manager Agent (KB3209591) (AMD64)
Update Rollup 2 for Microsoft System Center 2016 – Operations Manager Console (KB3209591) (ENU-AMD64)