IDE 1.8.0 Released -- update: 1.8.10

Using Arduino IDE 1.x
27

DBMcDonald:
I've installed 1.8.0 on a Mac with Sierra OS;.upgrading from 1.6.13. Tested a few complex programs using serial, i2c and spi for the ATmega328P and ATmega1284P. No problems, so far.

What IDE extension did you use to compile the 1284?