Release date: June 28th, 2011
This is a standard maintenance release over 1.7.1. It contains fixes backported from the main release line.
There are only minor database changes between 1.7.2 and 1.7.1. It is fully backwards and forwards compatible.
OpenMRS 1.7.2 represents OpenMRS 220.127.116.1119
These modules are bundled with the 1.7.1 openmrs.war download. They will be started automatically and can be removed if they are not wanted.
(taken from listing of tickets closed for 1.7.2: https://tickets.openmrs.org/secure/ReleaseNote.jspa?projectId=10000&version=13203)