I’m currently taking a small break from any major Mystcraft development until MCP for 1.3 is up and running. In the mean time I am trying to get some bugs in the current build fixed. I’ll put up another release in about 24 hours that fixes the chat and bedrock issues. I’m waiting to see if anything else needs to be fixed at the same time.

Note that this is a bad place to come for general support. The forums are much better if you have a question to be answered or an install problem.
If you find a bug then you can use the now public Bug Tracker system! This should help a lot with people trying to understand bugs and in reporting bugs.
At this point all bug reports should be handled through that. :)