You can find a lot of scientific publications about partial reconfiguration for FPGAs and there seems to be some sort of support in commercial toolchains (Vivad

You can find a lot of scientific publications about partial reconfiguration for FPGAs and there seems to be some sort of support in commercial toolchains (Vivado/Quartus). In my experience, the support for partial reconfiguration always was rather brittle and I have never seen it used in practice. But things may have changed in the last decade or so...