This bug report is only an initial attempt to get some feedback on this issue. Ubuntu by default has this for quite some time: $ dpkg-buildflags --get LDFLAGS -Wl,-Bsymbolic-functions -Wl,-z,relro Searching around, there are very few cases of regressions, while most times, it is caused by bad or broken code, the valid cases where it is not beneficial are patched to not use it. Other than preventing issues with symbols from one library interfering or clashing with symbols from another, it also have a nice side effect of significantly reducing relocations.
You need to submit a Fedora change proposal for such a change, that is *the* way to get all the relevant parties involved. We can reopen this for tracking the actual state if the proposal gets accepted.