Introduced in #3470 Before: <img width="1136" height="135" alt="Image" src="https://github.com/user-attachments/assets/59515e8b-d6e1-4bda-a11e-6b61190c5598" /> After: <img width="979" height="209" alt="Image" src="https://github.com/user-attachments/assets/5f818640-cce4-432f-a1bd-14d167f967d2" /> It's because the reference capture parameter comes at the end of the parameters list: <img width="928" height="170" alt="Image" src="https://github.com/user-attachments/assets/fb24740c-1d14-4dd2-9a2c-34d408b40734" /> ### Details * Version: [ILSpy 10.0 Preview 1](https://github.com/icsharpcode/ILSpy/releases/tag/v10.0-preview1)