dilfridge noted we really should've done rwking for 1.1.1->3.x, it was a bit late for that, so that's what -r2 is for, as we had some issues on e.g. m68k. So, please test on all the various platforms.
arm64 done
m68k done, mips done
loong done
riscv done
ia64 and s390 (both) done
x86 done
sparc (both) done
hppa done
ppc done
arm done
ppc64 done all arches done