This significantly eases working with old versions of files.

Professionals in these industries regularly work with multiple versions of single documents.

(which makes maintenance of code that has to work with other versions hard)

This code won't work at all with recent versions of the Linux kernel.

Level designers work with both incomplete and complete versions of the game.

Many new-media companies are already working with early versions of Castanet to create programs they say they would not have tried before.

Portable (entirely written in pure Python, works with versions from 2.4 to 3.4)

This method of storing data did not work well with different versions of the Filmbox software.

Apple also warned that Harmony might not work with future versions of the iPod software.

It also works with later versions like Vista and 7.