Get a release note draft that turns rough bullets into clear updates, with possible repeats and missing details called out for your review.
Your software changelog covers what shipped in the release, and your editor gets the public page link after publication.
Your signer gets an online signature request for the agreement PDF, and you get the recipient and send date in the original email thread.
Your signer gets a signing link with the agreed deadline, and the agreement owner sees when the request went out.
Your client gets a clear signature request with the deadline, and the agreement owner gets a copy of the invitation.