According to José Campos:
idem for me (Mac OS 10.3.6, last security updates done)
I'd say it has been linked again with the OakDebug framework...
235 [10:49] roberto@snuadh:~> /Volumes/TextMate/TextMate.app/Contents/MacOS/TextMate dyld: /Volumes/TextMate/TextMate.app/Contents/MacOS/TextMate can't open library: /Users/duff/Library/Frameworks/OakDebug.framework/Versions/A/OakDebug (No such file or directory, errno = 2) zsh: 6354 trace trap /Volumes/TextMate/TextMate.app/Contents/MacOS/TextMate