• New ESP8266-based boards: Generic ESP8285 Module, Phoenix 1.0 & 2.0, WifInfo
• Added support for Arduino M0 Pro board (issue #472)
• Added support for Arduino MKR1000 board (issue #620)
• Added support for Adafruit Feather M0, SparkFun SAMD21 and SparkFun SAMD21 Mini Breakout boards (issue #520)
• Updated Arduino ESP8266 core for Espressif platform to 2.3.0
• Better removing unnecessary flags using build_unflags option (issue #698)
• Fixed issue with platformio init --ide command for Python 2.6