definiens: means a change or addition, other than a Maintenance Modification, to the CodexisSoftware and related Documentation, including ( a ) releases of new software programs ( to be addedto Exhibit 1.3.1 ) and ( b ) releases of new major versions of existing software programs ( alreadylisted in Exhibit 1.3.1 ) that improve functions, add new functions, screens or data sources orsignificantly improve performance by virtue of changes in system-1 - design or coding, that, in the case of both ( a ) and ( b ), CODEXIS implements ( in its sole discretion)in CODEXIS ’ own internal commercial operations . A means an enhancement of aprior version of the [COMPANY] Software that would be considered by the software industry communityas the next generation of such [COMPANY] Software, which is usually evidenced by an increment in theversion number of the [COMPANY] Software . By way of illustration, versions 2.0 and 3.0 areincremental major versions, whereas versions 2.1 and 2.2 are not