Aha! Minneapolis Public Schools itself has answered the question that’s been burning for me ever since the legislative session ended:
The changes to school funding increase district revenue by 6.3%:
https://financeandbudget.mpls.k12.mn.us/uploads/fy24_operating_revenue_final.pdf
About 40% of that increase comes from the state covering 44% of the special ed cross-subsidy. (It should cover 100%, grumble grumble…but I’ll take the win here.)