Supporting 3 platforms (Linux, Mac and Windows) basically means triple the development effort. Off course slack would love to have native apps for all platforms

Supporting 3 platforms (Linux, Mac and Windows) basically means triple the development effort. Off course slack would love to have native apps for all platforms, but apparently it's just not cost effective. 90% of the users probably don't even know what electron is, and even for those that do, it's probably safe to say that the performance benefits of a native application don't outweigh the the negatives of using something else then 90% of the company/community