This is the a bug fix and minor feature release for the 3.x stable series. There are a few important fixes and some additions to busio.UART. Please check out the 3.0.0 release notes for full details on what’s new in 3.0.0.
Changes since 3.0.1
Adjust neopixel write timings on the M4: On-board NeoPixel stopped working on M4 boards in 3.0.1. Thanks to @jerryneedell for the fix and testing, and @ash0x1b for the issue.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.