Quote Originally Posted by CornedBee
They don't have a very fast release version by default - they erred on the side of safety, I think.
Yeah, this came to my attention not so long ago when someone posted on the Gtkmm mailing list asking for help for a workaround (other than re-compiling from scratch) to the problem where the official Windows binaries were compiled with the default _SCL_SECURE=1, but they needed to compile with _SCL_SECURE=0 for efficiency reasons.