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The second release candidate for Redhen Drupal 8 features a swath of bugfixes, drupal 9 readiness, and various feature improvements. The connection module in particular has been refactored significantly, providing default paths far view, adding, and manipulating connections so that you don't have to guess at the URL.
Caution is recommended for updates from alpha versions: do not update blindly!
This is just rc1 with a small fix to the info file.