You can read the current README.
You can fetch current sources with
darcs get --partial http://darcs.arstecnica.it/tailor
Of course, --partial is not mandatory, but encouraged: using it darcs won't download tailor's whole history, but rather just the changes since the latest tag.
At http://darcs.arstecnica.it/ you'll find a set of .tar.gz files, that "darcs dist" produces for me whenever I tag a new version of tailor. They contains also an HTML-ized version of the source:/README.rst file.
|29-mar-2006||Version 0.9.21: lots of mostly minor changes and fixes, mostly to svn, bzrng and hg backends. I should bump'n'release more often.|
|02-may-2006||Version 0.9.22: lots of major changes, monotone 0.26, bazaar-ng 0.8, dropped mercurial CLI backend replaced by former hglib, dropped obsolete and incomplete svndump.|
|28-may-2006||Version 0.9.23: again several major changes, most notably preserve the hunks order, and workaround to darcs changes --xml out of order output.|
|16-aug-2006||Version 0.9.24: the repository module was splitted in several smaller units, there's support for timezones, various backends adapted to current version of tools, and the usual bunch of bugfixes.|
|16-aug-2006||Version 0.9.25: Brown paper bug fix release: there was a typo in git backend and setup wasn't considering the new vcpx/repository subpackages.|
|17-aug-2006||Version 0.9.26: The "version numbers are cheap, bump them often" release|
|11-dec-2006||Version 0.9.27: various little fixes, compatibility with hg 0.9.2|
|15-apr-2007||Version 0.9.28: Perforce support|
|10-jul-2007||Version 0.9.29: new tests, GPLv3|
|06-nov-2007||Version 0.9.30: support recent hg and bzr|
|05-apr-2008||Version 0.9.31: usual fixes, init-options for darcs2|
|19-may-2008||Version 0.9.32: various fixes, support for new darcs pull --xml-output|
|21-may-2008||Version 0.9.33: fix backward incompatibility introduced with 0.9.32|
|31-may-2008||Version 0.9.34: new target backend for Aegis, bzr source optimizations, several fixes, new 'post-commit-check' option|
|02-jun-2008||Version 0.9.35: various little fixes, Aegis target is now able to migrate whole Tailor history|