Steps to Reproduce

https://zkfiddle.org/sample/22jk8ot/2-radiogroup-model-sync-test

1.select the radio1 in the first radiogroup

2. select the radio2 in the second radiogroup

3. click the "invalidate 1" button

Current Result

the second radiogroup shows a wrong selected item

Expected Result

all the radiogroup that share a same model shall show the latest selected item.

Debug Information

Workaround