== DR == ``DR`` is the Data Release of imaging from the Legacy Surveys as a drX.Y string. The X refers to the primary Data Release integer and the Y is only rarely used for critical reprocessing of a Data Release (*e.g.* dr7.1) Under each Data Release, data are grouped according to the release number (tag) of the desitarget code version on GitHub. Subdirectories: .. toctree:: :maxdepth: 1 VERSION/index