Textpattern CMS support forum
Nightly builds for "The Brave and The Curious"
We (i.e. a server cron job) are building two download archives every midnight with the latest code from the development repository.
So even if Subversion is not your piece of cake you can now kick the tires of a bleeding-edge Textpattern version. Run a trial, test, and report issues by simply extracting a zip file and setting up a test site.
Download from here.