"I have some great news to report. The leading edge of
Ghostscript development is now under GPL license, as is the latest
release, Ghostscript 8.54.
"By switching to the GPL, we're reaffirming our commitment to
the free software world. One big reason for this decision was to
reduce the lead time between bugs being fixed in the development
tree and users seeing the fixes, especially those users dependent
on Linux distributions..."