Help is available via the Discussion Group
Brainstorming, constructive criticism happens in the Discussion Group
Implementation details are discussed in the contributor’s group
Issues and bugs should be submited in Assembla issue tracking
The GitHub repo :
http://github.com/max-l/Squeryl
Patches are gladly accepted from their original author.
Along with any patches, please state that the patch is your original work and that you license the work to the Squeryl project under the project’s (Apache 2.0) open source license.
Info on building is found here
Testing on H2 doesn’t require you to setup a database, if you build with SBT you will have an H2 database ready to run the tests, and if the test succeds on H2, making it work on other DBs should be straight forward.