Boost has enabled esim via their updated app. Download the new app then select your mobile. Select transfer or restore esim.
I transfered today took 2 mins on android.
https://boost.com.au/pages/esim
https://boost.com.au/blogs/help-topics/does-boost-have-esim-…
https://boost.com.au/blogs/can-i-re-use-my-physical-sim-afte…
Great news but would be difficult for me to this every month.