Just ran across this enhancement and thought I would provide you a potential work around. On our Jenkins, we had implemented a Groovy Postbuild Action which saved the parameter used values as the job's default parameter whenever it were successful. That sounds like what you are looking to do.
I think your ask is a more generic one, not really specific to the Multi-job plugin so I doubt they will address it.
I attached the script for your reference. It also adds a tag to the build when the parameters change including a popup for the old/new values.
Just ran across this enhancement and thought I would provide you a potential work around. On our Jenkins, we had implemented a Groovy Postbuild Action which saved the parameter used values as the job's default parameter whenever it were successful. That sounds like what you are looking to do.
I think your ask is a more generic one, not really specific to the Multi-job plugin so I doubt they will address it.
I attached the script for your reference. It also adds a tag to the build when the parameters change including a popup for the old/new values.