The Unity Engine, a popular game development tool, is getting a pricing overhaul. Developers are enraged.

Unity’s new “per-install” pricing enrages the game development community Fees of up to $0.20 per install threaten to upend large chunks of the industry.

Mozilla and Unity today announced that Unity 5, to be released later this year, will include an early access preview of a version of the 3D engine that supports WebGL and asm.js, enabling plug-in ...