watch multiple shallowRef & computed has a unnecessary trigger

scope: reactivity has PR

ShuZhong

Oct 23rd 2023

Vue version

3.3.6

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

Open browser console，see console.log output

What is expected?

watch([value2, value3], ([v2, v3]) => console.log(v2, v3) ) // Good: trigger 0 time

What is actually happening?

watch([value2, value3], ([v2, v3]) => console.log(v2, v3) ) // Bad: trigger 1 time

System Info

No response

Any additional comments?

No response

sodatea

Oct 24th 2023

Could be solved by https://github.com/vuejs/core/pull/5912

johnsoncodehk

Oct 27th 2023

Fixed by #5912

GitHub Track