Sentence examples similar to are now fully optimise from inspiring English sources

The phrase "are now fully optimise" is not correct in English.
It should be "are now fully optimized" for proper usage. You can use it when describing a process or system that has been improved to its maximum efficiency.
Example: "After several updates, our software features are now fully optimized for better performance."
Alternatives: "are now fully refined" or "are now completely enhanced."