Game engine Unity has announced it will begin charging developers a fee every time a user installs their game. That's even if someone's just installing games they already own on a new computer.

Unity is adding a new charge for every time a game using the Unity Engine is installed, the company announced today. Starting January 1, a Unity Runtime Fee will be charged to any game that has passed ...

TL;DR: Unity has released a critical security patch addressing a high-level vulnerability in versions 2017.1 and earlier, affecting Windows, Mac, Android, and iOS games. Developers are urged to update ...

For years, the Unity Engine has earned goodwill from developers large and small for its royalty-free licensing structure, which meant developers incurred no extra costs based on how well a game sold.