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Breaking change in 3.2.42 - immediate multiple watcher oldValue is undefined #7070

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KaelWD opened this issue Nov 9, 2022 · 1 comment
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@KaelWD
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KaelWD commented Nov 9, 2022

Vue version

3.2.42

Link to minimal reproduction

https://sfc.vuejs.org/#eNpNUEuugzAMvIqVTamUhj2iSO01SBd8TJuKfJSEskC5+3Pg/Ra2MvZ4MvbGbs6Jz4KsYnUYvHIRAsbFNdIo7ayPsIHHicPaxeEFCSZvNZxo4iQNQI7BmhChg2smFue/Uv+/lGPXKNqOQ//gULQG1xsHyneCrZ1HQpTvjzNcG9jyyKFlZxSzfRaZsqslTr6U1jiqLmIF0S8IiVp1eWxB/glE1G4mAiGAelSfpi5zzrzfHuPsWPWiOyfewRo6xv65/G4EyaofO5LR7hlL9orRhaoswzTkE76DsP5Z0kv4xUSlUWDQl97bNaAnYcl269Iklr4AGQN9KA==

Steps to reproduce

Open devtools

What is expected?

'a' is logged

What is actually happening?

TypeError: undefined is not iterable (cannot read property Symbol(Symbol.iterator))

System Info

No response

Any additional comments?

#5033
vuetifyjs/vuetify#16051

Typescript still says oldVal is [undefined, undefined]

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