AMBARI-4618. Proxy API path has changed from /api/v1/proxy to /proxy (srimanth)
AMBARI-4613. Incorrect value for 'yarn.ats.store.class' config. (Buzhor Denys via yusaku)
AMBARI-4614. Turn on App.supports.appTimelineServer by default. (Buzhor Denys via yusaku)