Due to some problems with the shell on Vista and the status cache with the 1.4.2 release:
TortoiseSVN 1.4.3 has been released, linked against Subversion 1.4.3.
This is a maintenance release and contains only bugfixes, no new features.
Security notice:
TortoiseSVN 1.4.3 is linked against neon 0.26.3 which contains a fix for a security vulnerability (CVE-2007-0157).
For more details, see http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0157
Please update as soon as possible!