> In the blog post announcing the move, Omvlee cited three reasons for his decision to abandon the Mac App Store in favor of direct sales: ... Apple’s insistenc

> In the blog post announcing the move, Omvlee cited three reasons for his decision to abandon the Mac App Store in favor of direct sales: ... Apple’s insistence that desktop apps available through the Mac App Store be sandboxed for additional security, a stipulation that was impractical for Sketch. I'm surprised by that. I'd have thought a user-document-based app like Sketch would be ideal for sandboxing.