release v1.5 (#657)

Summary:
Pull Request resolved: #657

Releasing v1.5

Reviewed By: EnayatUllah

Differential Revision: D60058775

fbshipit-source-id: 5f4084938afcb0b8adcd83ea69a52d3847e3392d

Author: HuanyuZhang

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## v1.5
+
+### New features
+Fast Gradient Clipping and Ghost Clipping (#656)
+
+### Bug fixes
+* Fix gradient shape error for DPMultiheadAttention (issue 650) (#651)
+* Pass kwargs from make_private to _prepare_optimizer (#648)
+* Fix BatchMemoryManager length (#641)
+* Fix GPU-CPU device mismatch error in util filter_dilated_rows (#633)
+* Fix Opacus's runtime error with an empty batch (issue 612) (#631)
+
+
 ## v1.4.1
 
 ### Bug fixes

opacus/version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.4.1"
+__version__ = "1.5"