Iterator helpers removed after conversion to Ref

[glimfjord]

Vue version

3.5.13

Link to minimal reproduction

https://stackblitz.com/edit/vitejs-vite-mzgojv7d?file=src%2FApp.vue

Steps to reproduce

1. Create a Ref containing a Set or Map
2. Access the Set with .value
3. Create an Iterator from the Set with .values()
4. Use one of the Iterator instance methods as shown here

What is expected?

The Iterator instance methods should work as expected and outlined in the MDN docs

What is actually happening?

The Iterator instance methods aren't found

System Info

Any additional comments?

No response

[linzhe141]

This is a new feature launched in 2025, Vue has no corresponding processing for the time being, and Vue seems to be only compatible with es2016 now.

[skirtles-code]

This may be a duplicate of #12615, which has a potential fix in #12644. That fix seems to work for the reproduction provided here:

• Playground - 12644