cascade v-slot don't emit change of variables from scope

[tcastelly]

Version

2.6.2

Reproduction link

https://jsfiddle.net/cn09xg4k/

Steps to reproduce

There is a card component with userName and lastName. Each 200ms these variables are updated.
Between user and card components there is a wrapper, just to use a slot.

What is expected?

Variables in user component should be refreshed

What is actually happening?

These two variables are displayed only once and never updated

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• If I remove the wrapper it works: https://jsfiddle.net/wh1L5c2g/
• If I use the previous syntax (slot/slot-scope) it works: https://jsfiddle.net/9f27h1ad/3/

[leopiccionia]

I'm not sure if the current spec allows putting the default slot inside <template/> (kind of treating it as a named slot), but it works without it: https://jsfiddle.net/leopiccionia/1097xjws/

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Edit: it works just removing v-slot:default, too. https://jsfiddle.net/leopiccionia/myz3gte8/

[tcastelly]

I'm curious to know if spec allows, in fact I can't remove the slot name from my wrapper because in my application I've some thing like header, footer.

https://jsfiddle.net/2d6fc4Lx/

[leopiccionia]

It seems to be a bug. Uncomment the fifth line (adding a default slot) and it works: https://jsfiddle.net/leopiccionia/bjr340vo/

[tcastelly]

Correct ! :)