With a potentially volatile hurricane season ready to start, the AM Best financial-rating agency released a report Thursday that said Florida’s property-insurance market is showing signs of improvement — but that time will tell. The report said AM Best is “cautiously optimistic” about the Florida market, in part because of an overhaul passed by lawmakers and Gov. Ron DeSantis in 2022 that included trying to shield insurers from costly lawsuits. Other factors include a decrease since September in the number of homeowners getting coverage from the state’s Citizens Property Insurance Corp. “While…