Version
2.2.8
Environment
os: masOS 11.2.3; browser: chrome lastest version; Vue version: next(3.2.6)
Reproduction link

Steps to reproduce
select the first option and then select the second option.
What is expected?
work normally.
What is actually happening?
web will block.
develop tools console:
[Vue warn]: Maximum recursive updates exceeded in component . This means you have a reactive effect that is mutating its own dependencies and thus recursively triggering itself. Possible sources include component template, render function, updated hook or watcher source function.
It will work normally in 3.0.0 alpha.