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Vue onBeforeUpdate run after DOM update #12826

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edison1105 opened this issue Feb 8, 2025 · 0 comments · May be fixed by #12825
Open

Vue onBeforeUpdate run after DOM update #12826

edison1105 opened this issue Feb 8, 2025 · 0 comments · May be fixed by #12825
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🔨 p3-minor-bug Priority 3: this fixes a bug, but is an edge case that only affects very specific usage.

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@edison1105
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edison1105 commented Feb 8, 2025 •
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Vue version

3.5.13

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

  • click the button
  • observe the console log

What is expected?

Child.vue should not be updated

What is actually happening?

Child.vue should be updated

Any additional comments?

Discussed in https://github.com/orgs/vuejs/discussions/12770
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🔨 p3-minor-bug Priority 3: this fixes a bug, but is an edge case that only affects very specific usage.
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fix(runtime-core): prevent child component updates when style remains unchanged vuejs/core
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@edison1105