Alembic 1.7.7 has been released.

[Lucas Miller]

Hello Alembic Users,

Thanks to your feedback and pull requests we have a few bug fixes and
an enhancement.

The latest release can be gotten here:

https://github.com/alembic/alembic/releases/tag/1.7.7

API:

Fix bug where std::weak_ptr was used in AbcCoreLayer instead of
Alembic::Util::weak_ptr.

Add OCurves::Schema::Sample::setPositionWeights to go along with the get.
Expose it in the python bindings.

prman Procedural:

Add two options, -motionbegin and -motionend to explicitly control MotionBlocks.
(PR 160)