2 New features This chapter covers the specific features that are new to IBM PowerHA SystemMirror for IBM  AIX for Version 7.2.1 SP1, Version 7.2.2, and Version 7.2.3. For information about earlier  versions, see previous IBM Redbooks publications like  IBM PowerHA SystemMirror V7.2.1  for IBM AIX Updates , SG24-8372. This chapter covers the following topics: GLYPH<SM590000> Easy Update GLYPH<SM590000> PowerHA SystemMirror User Interface enhancements GLYPH<SM590000> Resource Optimized High Availability enhancements GLYPH<SM590000> PowerHA Log Analyzer and logging enhancements GLYPH<SM590000> Event handling GLYPH<SM590000> Additional details of changes in PowerHA SystemMirror ' Copyright IBM Corp. 2 019. All rights reserved. 15