I use K2 with CB and noticed on the K2 update page for v2.7 the developer states:
"Removed Community Builder, Josetta and AceACL integration"

Once registered, my CB users are automatically (via Auto Actions) set up in K2 user groups. Is this de-integration going to affect this?

Also - what does the integration do and how will the de-integration affect CB and K2?

Now K2 /JoomlaWorks is claiming they have no intention of supporting CB anymore:

www.joomlaworks.net/forum/k2-en/45150-cb-integration#153133

(This messes up everything on all my sites... who on earth *removes* integration for a component? And, we've only been waiting for the K2 update for more than two years... not like they didn't have time to figure this out.)

Nant, when you have time to think about this change, and whether CB might develop/support a K2 plugin, could you please let us know?

At the moment, lack of CB/K2 integration is preventing me from upgrading my sites to J!3.5+, and I'm going to need to make a decision about how to move forward... which will involve choosing one component or the other.

(The K2 / JW developers have not exactly garnered confidence from the Joomla community over the past couple of years, and this is just bolstering my conviction that it's time to move away from this component completely. But doing so is such.a.huge.job - I'd love to buy some time. If a CB/K2 plugin/integration is possible, it would be ***more than greatly appreciated***.)

I just tried to save a K2 article with one of my users and the save button failed to close the iframe. Not sure why this happened, it was working previously, but I assume it could be a problem with K2 - a problem that may be fixable by upgrading to the new version.. Any idea why this happened? The save button works (ie. the K2 article is saved) but the iframe goes blank and does not close, the screen seems frozen. FYI: The close button does close the iframe.

Now that K2 doesn't support CB, I'm a bit scared to upgrade as I think it will break my integration..

As Akasharkbow mentioned, JoomlaWorks has confirmed that they will not be releasing an integration - they're leaving this to the CB developers. So guys, any updates or plans to do so? I assume there are hundreds of CB users who will need this integration to keep their sites working.