Some yes, and some no:
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OneWire and Servo are not tested now, but no work has been done there as far as I know (is it correct?)
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printf has been replaced by Yannick56 in the v0.3, with the mprintf from Paula's library (http://www.out--there.com/blog/the-devil-is-in-the-details-atmega-startup-to-freertos/)
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WiShield: Don't know.
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Tone: Must be working since the DuinOS v0.2 released by CHERTS.
Thanks Yannick! Very great work!
Cheers!
Julián