The April 2017 Release (build 17.0.17099.01) is live: https://github.com/stephenegriffin/mfcmapi/releases/tag/17.0.17099.01.
Since codeplex is going down, I've migrated releases over to Github. I've fixed a few nagging UI issues, and added a first pass of a new Search UI. This is basically using the old Table/Restriction code, but hopefully a bit more user friendly.
Please continue to report issues on Github.