Airbnb recently proposed changes to its listing policies for short-term rental property owners in New York City and San Francisco, possibly in response to threats of aggressive action from state and local lawmakers.

San Francisco just unleashed a new weapon in its ongoing battle with Airbnb and the short-term rental industry.

Ushering in a new era of housing policy, San Francisco has proposed a tougher rule on short-term rentals like Airbnb and will vote today on legislation to increase affordable housing requirements.

A broad coalition of housing activists, landlords, tenants, neighborhood groups and organized labor appeared Friday on the steps of San Francisco City Hall, urging stricter rules for pending legislation to legalize vacation rentals in private homes. The legislation, proposed by Supervisor David Chiu and sometimes informally called the Airbnb law because of that website’s popularity, is due to be heard by the full Board of Supervisors on Tuesday.

A broad group of protesters representing various San Francisco housing interests met on the steps of City Hall today to express their opposition of proposed legislation that would allow residents to rent out their homes on a short-term basis.