Please vote to release Apache ManifoldCF 2.19, RC0. The release artifact can be found at: https://dist.apache.org/repos/dist/dev/manifoldcf/apache-manifoldcf-2.19 . There is also a release tag at https://svn.apache.org/repos/asf/manifoldcf/tags/release-2.19-RC0 .
This release has a significant update to the Elastic Search connector, to both bring it up to date, and to work around the problem with limited ID length that ES has. Karl