After the Graz, Austria February 2025 WG14 Meeting, I am now confident in the final status of the defer TS, and it is now time.

For the big brain 10,000 meter view, defer ⸺ and the forthcoming TS 25755 ⸺ is a general-purpose block/scope-based “undo” mechanism that allows you to ensure that no matter what happens a set of behavior (statements) are run.