Hey , I hope you are good Minehut . So I suggest to add new plugin which is armored elytra , It is a plugin allowed you to fly with elytra when you armored with chestplate I can't explain that because of My language So This is the website of this plugin I hope you will add it soon
https://www.spigotmc.org/resources/armored-elytra.47136/?__cf_chl_jschl_tk__=fa675fc523c499555f59dcd699ac7bcadf663b98-1586975009-0-ATj0DgYm6krDpKLI7ubJaNS37qZIFPJBoEaDc8ywO_1jKyK_5SfNMWyhibJK4FIhs2ZDt6difppuL01tw1pGNdRf3R-ZfjswvwuGddy1GcYU1Hrg4QlFY7xTd4q0U7vuoQV6K5JvsEUa9Zk1QBJmLDb9DPxa9xGdco-BFRkXcLm5nQlh3q6rLYksHHhSGyNRDeWN2gzKBxATgYXZwVXSH2mFb7L6HyBqP2b2lzVbdz0dMbPXP2OwhMlkeCQWWo9E0xiPrQoQEpp0Fa25cneQmtE-PufIvLvbgaLMrO8q-aOTsmEZaDqIMaZQSusjyrVBkQ
Sincerly ,
oImFyM(Youcef)