We are seeing quite a lot of problems (several daily complaints) on the squid-users mailing list, of users complaining about the relaxed_header_parser in -STABLE8. They claim that some sites no longer work after upgrading, despite the relaxed_header_parser being set to on, which is more tolerant of broken web servers. This includes users using Fedora Core users using Fedora RPM's based on -STABLE8 which was pushed out to -devel, FC3 updates and I believe, FC2 updates. The header parser was relaxed slightly for -STABLE9 and seems to work a bit better - and allows some sites to work that did not work with -STABLE8. Additionally, squid needs to be rebuilt against gcc4 and the newer openssl in -devel. I had some fixes committed to -STABLE9 so that it should compile cleanly against gcc4 and no packaging work should be required for this. Can an update please be prepared and pushed out to address these issues?
I updated squid in Rawhide to STABLE9 a while ago. I'm still working on getting out updates for FC2 and FC3.