tl'dr: with FVM the execution gas are now properly accounted, and if the FVM gas accounting changes, the max value of how many msg can fit in one block may change.
Its better to remove thee limit from actors and have clients to perform gas estimation and properly aggregate sectors for users accordingly
related to https://github.com/filecoin-project/lotus/issues/10612
tl'dr: with FVM the execution gas are now properly accounted, and if the FVM gas accounting changes, the max value of how many msg can fit in one block may change.
Its better to remove thee limit from actors and have clients to perform gas estimation and properly aggregate sectors for users accordingly