This is the first stable release of memcache for Drupal 8.
There have been no changes since the second release candidate.
If you are upgrading from a dev or beta release, you should first read the release notes for memcache-8.x-2.0-rc1 and ensure that your $settings and services are correct before deploying to a live environment.
This release fixes a bug with the storage for non-default configuration collections.
Changes since 8.x-1.0-alpha3:
Changes since 8.x-3.0-alpha4:
Minor formatting updates and removing redundant files.