Does anyone have reproducile tests that show the problems in Firefox/Thunderbird with cairo when cairo is built with --enable-xcb? I just built cairo with: --enable-xcb --enable-xlib-xcb=no This should leave the normal cairo xlib backend intact (i.e. the same as when built with --disable-xcb). So far everything is working fine for me, but even before, with Cairo 1.8 everything was working fine, so I'd like to doublecheck about those issues. -- damjan