The official 8.15 release by Labcenter Electronics introduced several specific technical upgrades:
: Additional layers added for better mechanical design integration. Proteus Professional 8.15 SP0 Build 33980 RePack
The refers to a customized, unofficial distribution of the Proteus Design Suite, a widely used software for electronic design automation (EDA). The "RePack" designation indicates that a third party has modified the original installation files to be more compact, pre-activated, or bundled with extra features. Core Features of Proteus 8.15 The official 8
: Enhanced support for curved mitres in board layouts. Proteus Professional 8.15 SP0 Build 33980 RePack
: This version introduced a new file format that is not backwards compatible with older versions of Proteus. What "RePack" Means for Users