The BOINC software (including client and server components) evolve over time. There are a number of pairwise interactions in which version mismatches could cause problems:
Each BOINC software component has a version consisting of three integers: major, minor, and release.
Some changes to the BOINC server software may involve changes to the BOINC database (e.g. adding a new table or field). Such releases will include SQL script for modifying an existing database in-place. "; page_tail(); ?>