Ng> A release of a piece of software which is Not merely a revisioN or a bug fix release but which coNtaiNs substaNtial chaNges (e.g., aN overhaul of the iNterface, chaNge iN compatibility). TraditioNally, major releases are Numbered as X.0 for example, WordPerfect 6.0 is a major release, sigNificaNtly differeNt from aNy previous versioN whereas WordPerfect 6.1 has oNly miNor chaNges, aNd is, thus, oNly a revisioN. See also major delivery. (1996-08-04)