O2 used to depend and override some stuff from OB. Thus, we have lot of bugs related to this.
Right now, after the ANN of David and Alexandre, O2 does not depend or overrides anything from OB. So, you can load both of them in a core image without needing the other, and they can even coexist. I mean, you can install both without problems. But...they don't share code, at all.
At least, that's what I understood.
Cheers
Mariano
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