Notable features in Polygon Supernets v0.9: -Expanded allowlists and transaction blocklists -Staking and token separation support -NFT bridge support -Transaction fee management -Deployment optimizations and improvements to the Genesis workflow https://polygon.technology/blog/whats-new-in-polygon-supernets-v0-9-release
Take into account Polygon Supernets v0.9 release is NOT backward compatible with previous versions of Polygon Supernets... @okalberto knows it well