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Exciting news this week as CircuitPython released its 1.0.0 stable release!  This release follows a small set of earlier release candidates that fixed small issues, updated documentation and stabilized the API’s for accessing hardware from CircuitPython.  Check out the releases page on GitHub for the latest CircuitPython binaries for boards like the Adafruit Feather & Metro M0 line, Circuit Playground Express, and more.  For the M0 & Circuit Playground Express boards in particular you can follow these steps to load CircuitPython firmware on your board too.

This is the first stable release of CircuitPython! That means we believe everything works well and that the APIs are largely fixed. This release was made from the stable branch. The master branch is now working towards the 2.0.0 release.

Thanks to everyone who has contributed including those to upstream MicroPython@dpgeorge and @pfalcon are the core devs of MicroPython. Thanks to @deshipu@dhalbert@ladyada@tdicola@hukuzatuna@mindforger@cyborg5@robomike@ianrrees@bobricius@g-ollivier@rmd6502@willingc@fede2cr@cversek@turbinenreiter@ptorrone and @jerryneedell for their testing and code contributions. Thanks to Adafruit for making this possible.

This release is based on MicroPython 1.8.7. Support upstream MicroPython by purchasing a PyBoard (from Adafruit here).

Change highlights since 1.0.0-rc.4:

  • No functionality changes. Only doc updates.

CircuitPython comes preinstalled on the Gemma M0.

To install, download a .bin file and follow the guide here for M0 and here for ESP8266.

Have a Feather M0 ExpressMetro M0 Express, or Circuit Playground ExpressDownload a .uf2 and follow these instructions. To install our libraries simply download the latest bundle and copy the lib folder onto your CIRCUITPYdrive.