I found out a bit more. The bill will be passed in the assembly, perhaps next week. The Republican leadership wanted to wait until the end of the year, but the NRA insisted on June, as they didn't want to risk the recall elections. So, Walker should be signing the bill in June or July.
The NRA is also working with the Milwaukee police and other law enforcement agencies to pass a bill that would add additional penalties for convicted felons caught carrying concealed weapons, or for those with convictions for crimes of violence. Carrying concealed without a permit will not be a felony if you have no record. It will stay the same, a Class C misdemeanor. This is pretty much duplication of federal law, but it lets the Milwaukee police chief and mayor claim some kind of victory, even if it is symbolic.
As for Bob Jauch voting for the bill, nobody seems to understand that.