Please block the entire GAI (General Applet Interface Library) stack from
{{{
F-12
devel
}}}
Packages:
{{{
gai
gai-pal
gai-temp
}}}
Only two of the applets have ever been included in the Fedora Package Collection. There has not been any new release since 2005. Several patches have been mailed upstream, but later without any response.

gnome-applet-sensors is an actively developed alternative to gai-temp