[1.21.9] Krypton FNP - 0.2.28-1.21.9

0.2.28 1.21.9

• Add RconClient optimization (default: false)
• Update moddev
• There have been some changes to the VarLong optimization
• Print information about all our mixins
• Use shorter package names
• Update RecastLib
• Reusing parchment mapping

Full Changelog: v0.2.27-1.21.9...v0.2.28-1.21.9