701

What's Changed

• License-out under MPL2 by @erique in #1
• Upgrade the Arduino IDE and board library by @erique in #3
• Assorted V4 related fixes and improvements by @erique in #5
• Various R1 related fixes by @erique in #6
• New pin assignment for V4 to allow BT/HCI comms by @erique in #7

Full Changelog: 646...701