Beta downloads is the place where you can always get the newest features that developers add to FTS. These downloads are updated much more often then the release ones, but it can happen that they don't work. Usually, they should work.
Until I install a nightly build system, you can only download the newest sourcecode from svn and compile it yourself. This should cause no problem, but again, there may be problems.
The first time you get FTS from svn (subversion), type the following command in your console:
The next times you can just run (in the same directory):