Unless you want to use a Zero or a DUE you do not need a superior version to 1.0.5 (or 1.0.6) located in the Ubuntu repositories.
For AVR 8 bit micro, versions 1.5.x or 1.6.x (or 1.7.x) bring mainly cosmetic effects but very little improvement.
Unless you want to use a Zero or a DUE you do not need a superior version to 1.0.5 (or 1.0.6) located in the Ubuntu repositories.
For AVR 8 bit micro, versions 1.5.x or 1.6.x (or 1.7.x) bring mainly cosmetic effects but very little improvement.