Hi all- Hopefully I'll keep this up. Here are some changes to get MacRuby to work with the Textmate Ruby support. I'm sing TextMate Version 1.5.7 (1436), and MacRuby version 0.3 (ruby 1.9.0 2008-06-03) [universal-darwin9.4]. There are several places in TextMate.app/Contents/SharedSupport/Support/lib/io.rb that use the old 1.8 "when :" syntax: colon.rb:5: syntax error, unexpected ':', expecting keyword_then or ',' or ';' or '\n' when 1: print "one\n" ^ As I'm new to Ruby, I just changed these to "when 1 then..." and so on. Perhaps there's a more elegant way. Also, upgrading the rcodetools in Ruby.tmbundle/support/vendor from the 0.5.0 to 0.8.0 version made some bad stuff go away. The tarball is available at: <http://eigenclass.org/hiki.rb?rcodetools> And finally, if it makes any difference, I'm running MacRuby by setting my TM_RUBY environment variable to "/Library/Frameworks/MacRuby.framework/Versions/0.3/usr/bin/macruby" in the Advanced Preferences. I'll post more as I find and fix... HTH, Charles