I couln't find a changelog, but there is a list of fixed bugs in the tracker: https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&targ

I couln't find a changelog, but there is a list of fixed bugs in the tracker: https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=6.3 https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED...