Arduino for Mac 1.6.4 ソフトウェア情報交換

What's new in this version:

IDE:
- Added support to Arduino Gemma
- Restored previous "error" colour in black lower part of the IDE
- Relaxed IDE checks against libraries versions
- Fixed colour of 'char' keyword.
- Tools submenu show selected subentry.
- Boards and Libraries Managers command line: --install-board "arduino:Arduino SAM Boards (32-bits ARM Cortex-M3):1.6.3" and --install-library "Bridge:1.0.1". Version can be omitted: if omitted, latest version available is automatically picked
- Warning levels can be set in File > Preferences
- When compilation fails, editor highlights the reported row
- Windows and MacOSX: updated bunbled JVM to 1.8.0_45 (latest available atm)
- Disabled "uncertified" warning (requires avr core >= 1.6.6, sam core >= 1.6.4)
- Additional boards/cores can be listed specifying comma separated list of package_SOMETHING_index.json url in File > Preferences
- MacOSX: fixed wrong sketch opened when double clicking on a .ino file
- Boards and Libraries main files are downloaded directly (no proxy php script), fixing some glitches when using a proxy server
- Added notification if the bundled AVR core is newer than the one installed through Boards Manager (useful when upgrading the IDE)
- Fixed error when in Serial and Network discovery that was leaving the Ports menu greyed out
- IDE now deletes temporary files on exit. When using the CLI, --preserve-temp-files arguments skips deletion

Libraries:
- Bridge fixes
- SD: allow multiple SD instances
- SD: fix examples with Ethernet shield