Yes, and it's not cheap: https://www.npaudio.uk/npaudio-modifications/sony/npaudio-wm1a-z-expmv5-upgrade
It's not cheap but stacked alongside the fact that you can score a used 1Z for a pretty good price these days, and the fact that the 1Z was built to last and a used one will likely function for years to come...it's actually fairly enticing for me.