Arduino 1.5.3 BETA

Changelog

IDE

• Removed useless baud rates from serial monitor
• Fixed some minor IDE UI bugs (Shigeru Kanemoto)
• Added support for new 1.5 Library format (https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5:-Library-specification)
• Pass board type from boards.txt (#308)
• Display estimated RAM usage after compile (Loren M. Lang)
• Import library menu is now scrollable
• Scrollable menus can now be scrolled with the mouse wheel

Core

• sam: Fixed delayMicrosecond() when interrupts are disabled
• sam: Upgraded libsam, and added missing modules (CAN, ETH, etc.) (Thibaut Viard)
• sam: Added compatibility for avr/pgmspace.h (Paul Stoffregen)
• sam: Added serialEvent*() support
• sam: Fixed micros() to work with inside interrupts. (stimmer)
• avr: Added support for Flash strings on String class (Jantje)
• Added support for floating point numbers in String class (Tevin Zhang, SebiTimeWaster)
• sam: Fixed String buffer overflows (Paul Stoffregen)
• avr: Added recipe for assembly files (C. A. Church)
• avr: Use analogPinToChannel if it's defined (Kristian Sloth Lauszus)
• avr: Optimized HardwareSerial buffer (Matthijs Kooijman)
• removed unused flags from String (free 1 byte of SRAM)

Libraries

• sam: Removed CAN library, you can find an updated version here:
  https://github.com/collin80/due_can
• sam: Bugfix SPI library: begin() after end() now works (stimmer)
• sam: Bugfix SPI library: incorrent pin configuration in non-extended mode.
• Ported all libraries to new 1.5 format
• Updated Firmata to version 2.3.6 (Jeff Hoefs)

Firmware

• Arduino Due: fixed USB2Serial garbage at startup (#1267)

Other

• Merged all improvements made in Arduino IDE 1.0.5