Some developers say Apple’s new Core Technology Fee in the EU is eerily similar to the controversial Runtime Fee that Unity touted and withdrew after a backlash (Chris Kerr/Game Developer)

Chris Kerr / Game Developer:
Some developers say Apple's new Core Technology Fee in the EU is eerily similar to the controversial Runtime Fee that Unity touted and withdrew after a backlash  —  App Store devs interested in using third-party services in the EU will need to agree to new terms-and a fee that could eventually cost them €0.50 per install.