Today we released the first round of stable Aura 3.x packages:

Since the announcement of the plans for Aura 3.x, we have made one small concession: the minimum PHP version is 5.5, instead of 5.6 as originally announced. Even so, all the 3.x packages are tested and operational on PHP 5.6, PHP 7, and HHVM.

Via the Aura blog at

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