Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The ability to execute Tcl code in the parent Tcl interpreter from Perl interpreters was added. The Perl system is now initialized when loading extensions. The code was made thread-aware to allow Perl threads. The Tcl interpreter can now be accessed from C code, making it possible to extend tclperl.