We announced some 2026 plans recently.
• CoreCLR Editor - 6.8 Alpha
• Experimental CoreCLR Desktop Player preview - 6.7LTS
• Fast Enter Playmode (FEPM) default for new projects - 6.6
• 32-bit instance id -> 64-bit EntityId
• And more!
https://discussions.unity.com/t/coreclr-scripting-and-ecs-status-update-march-2026/1711852