OpenMRS 1.4.6 is a maintenance/bug fix release over OpenMRS 1.4.5.

Bug fixes included in this release

#1908

Changed default message when patient identifier validation fails

#1920

Full support for modules with a dot in their module id

11075

Fixed a NPE in ConceptListItem when you have a database with incorrectly-set-up concept name taggings

More detailed information can be found by looking at the tickets closed for all releases in the 1.4 line.
Also see Release Notes-1.4.5, Release Notes-1.4.4, Release Notes-1.4.3, Release Notes-1.4.2, Release Notes-1.4.1, Release Notes-1.4.0 for other changes in the OpenMRS 1.4 line.

For a list of all OpenMRS releases, see Releases