I'm running 9.12 of the daemon & simplewallet on Mac and a few other little computers. It's been working great on everything.

XXXXX-MacBook-Pro:bin X$ aeond --version
2017-Sep-30 15:24:03.858257 Starting...
2017-Sep-30 15:24:03.858724 aeon v0.9.12.0()
aeon v0.9.12.0()
XXXXX-MacBook-Pro:bin X$ simplewallet --version
aeon wallet v0.9.12.0()
XXXXX-MacBook-Pro:bin X$

Q) Will the testnet require 9.13?

Thanks
AV