As others said, having more details would be helpful (or a bug report on https://bugzilla.mozilla.org/ https://bugzilla.mozilla.org/). In general, we quickly a

As others said, having more details would be helpful (or a bug report on https://bugzilla.mozilla.org/ https://bugzilla.mozilla.org/). In general, we quickly act on obvious bugs/regressions on major websites. Often, such major issues on big websites are caused by certain add-ons or antivirus software.