Eben Upton: Why it’s a long road to the Raspberry Pi 4

http://www.itpro.co.uk/strategy/28278/eben-upton-why-its-a-long-road-to-the-raspberry-pi-4

Technical limitations are the greatest challenge to developing future devices like the Raspberry Pi 4, Pi creator Eben Upton told IT Pro in an interview: physical limitations will make it difficult to continue the same pace of development on the next generation of devices.