Not much, because Muslims really aren't much in the Israeli apartheid system to begin with and have been fair game for Israeli Jews to shoot anyways. It's like asking if you're allowed to hunt deer during deer hunting season.
Mamdani do not renew former mayor Eric Adams's executive order which broadened the definition of anti-Semitism to include criticisms of the state of Israel. Criticizing Israel was illegal here.
Another of Adams's executive orders that Mamdani did not renew was one which did not allow city employees to support any boycotts, divestment, and sanctions regarding Israel.
Adams, as you well know, was a corrupt official who was bought by countries like Turkey and Israel. It's why he lost his reelection bridge bid. In disgrace. People were shocked that he actually had the audacity to run for reelection, or that he even stayed in office long enough to do so.