The team is active but small, new contributors are always welcome. They just released a new client (More) with a few updates and they are experimenting with PoS on the testnet. Although the community communication doesn't happen on bitcointalk much anymore, they are active on gitter, discord, reddit. Twitter account is active and posts updates frequently.
https://gitter.im/BlackCoin_Hub
https://www.reddit.com/r/blackcoin/
https://discordapp.com/invite/xH7TPjC
https://twitter.com/blackcoinorg
Good to hear. It still would be good though to keep the Bitcointalk community updated, I don't see a reason why not to, it's always good to have as much exposure as possible.