This is a small follow-on to 3.14.0 which contains a critical fix for an issue preventing content hosts from subscribing to non-Red Hat repositories. If you are managing your own custom products then you will absolutely want to upgrade at your soonest convenience.
There are several other relatively small fixes included - check out the CHANGELOG.
Some additional links to get you started:
If you’ve found any issues in this release please head over to the support area and start a discussion so we can help. You may also find that someone has already reported the problem you’re experiencing.