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* Add support for providing ``tag`` during
:class:`~cryptography.hazmat.primitives.ciphers.modes.GCM` finalization via
:meth:`~cryptography.hazmat.primitives.ciphers.AEADDecryptionContext.finalize_with_tag`.
+* **BACKWARDS INCOMPATIBLE:** Elliptic Curve signature verification no long
+ returns ``True`` on success. This brings it in line with the interface's
+ documentation, and our intent. The correct way to use
+ :meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey.verify`
+ has always been to check whether or not
+ :class:`~cryptography.exceptions.InvalidSignature` was raised.
1.8.1 - 2017-03-10