Release cycle, Roadmap and Slack communication

[Reactor11]

Hi Team,

1. What is the current release cycle that we are following, there is not straightforward information available?
2. Where I can find the roadmap for future delta features that are gonna come in? I can see the delta-io project but that too is not well maintained.
3. I am not able to join slack and google group is not active. Can we please fix it permanently?

[Reactor11]

@larsk-db can you please help here or point to right person?

I am specifically looking for v3.3.3 release