Release 2.4.27 (2.4z + patches) - Change vectors to be relative current namespace. - Bgexec handling of interp cleanup. - Fixes for obvious sourceforge bugs/patches. - Internalize OLDCONFIG so Blt works with 8.5+ - Make config options sub-interp/thread safe. - Remove use of bltEmptyStringObj as unsafe. - Container arg "-window interpN.win" for embed in subinterp. - Update tour.tcl to support all demos and use new -window interpN.win option. - Args for tour.tcl: "-tearoff 1" and "-bgexec 1" - Config dumps 6th arg (string type) if window name prefix is .__##