I have also upgraded my pinebook pro and likewise can't start sway 4 hous ago on https://github.com/libffi/libffi/issues/744 icecream95 suggested af fix: https://github.com/libffi/libffi/pull/745/commits/80d984377d8d5fc3b86786b8a99fdd8d2ee4ec4c Fixing the size/type of the destination for the memory copy
Reading the diff of #744 I could not find more that the 3 variables icecream95 identified