Heard this news on the radio this morning. Apparently Gov. Snyder has said he will sign it. As a concession to obtain his signature open-carry will no longer be allowed in those areas. People are not happy about the restriction on open carry. Here's the link but I did not read through the 79 pages.
Apparently it's a bit early but I did manage to find an article: Concealed weapons could be allowed in 'gun-free zones' under bill headed to Michigan Gov. Snyder | MLive.com