Each new version of SW introduces new "features" (some genuinely useful, some shiny marketing gimmicks) and a host of new bugs. Software churn at it's best. Got

Each new version of SW introduces new "features" (some genuinely useful, some shiny marketing gimmicks) and a host of new bugs. Software churn at it's best. Gotta release a new version to make money, just fixing bugs isn't profitable. Oh, and make sure file formats are not backwards compatible, even if for no good reason but to force upgrades.