GCC 4.2.1
has been released, the last release of the GNU Compiler Collection under the GPL v2.
"GCC 4.2.1 is a bug-fix release, containing fixes for regressions in GCC 4.2.0 relative to previous GCC releases. GCC 4.2.1 will be the last release of GCC covered by version 2 of the GNU General Public License. All future releases will be released under GPL version 3."