The Maleficent dragon float is back! The float caught fire last May 2018, but has now returned to the Festival of Fantasy parade in Magic Kingdom. According to the article below, Disney says that additional safety measures have been added to the fire-breathing float.
See pictures and additional information here: https://www.wdwmagic.com/attractions/festival-of-fantasy-parade/news/25jan2019-maleficent-returns-to-disneys-festival-of-fantasy-parade-at-the-magic-kingdom.htm