I am pleased to announce maintenance releases of all OpenMRS versions: 1.9.1, 1.8.4, 1.7.4, 1.6.6.
OpenMRS 1.6.6 is the last release of the 1.6.x line, which is no longer supported by us.
See release notes for changes and download details:
Thank you to all our contributors! We are looking forward to your continued support.