There is currently a release candidate, but the official release of OO.o 3.0 won't be until ca. Sept. 30th.
There is an unofficial patch described to the "legacy" (basic) version of the extension that do work with the release candidate and the "new" (python) version of the extension is almost ready.
There is an unofficial patch described to the "legacy" (basic) version of the extension that do work with the release candidate and the "new" (python) version of the extension is almost ready.