Vue.js: Async Computed Experiment and Vapor Slot Hardening
Six pull requests split between an experimental composed async reactivity implementation and concentrated stability work on out-in transitions and Vapor slot interop, signaling future async handling while fixing current hybrid-app reliability.
Duration: PT1S
Episode overview
This episode is a short developer briefing from Vue.js.
It explains recent repository work in plain language.
- Show: Vue.js
- Published: 2026-10-15T13:22:43Z
- Audio duration: PT1S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hello and welcome to your Vue.js briefing for October 15th, 2026.
Today's activity split into two tracks: an experimental step toward async-friendly reactivity, and concentrated hardening of transitions and Vapor slot handling.
The biggest forward-looking change is PR 15885, an experimental implementation of the composed async proposal from RFC 822. It lets read-only computed values return promises while exposing the resolved value, so pending reads flow through derived computations without publishing a promise or partial value. Stale…
The reliability fix is PR 15884 for issue 15727, where out-in transitions could crash when a leave hook finished synchronously. The re-render ran before the empty placeholder was mounted, hitting a missing parent node. The fix defers the update to the job queue, avoiding the crash. If you maintain custom transition…
That pairs with four Vapor updates focused on slot interop. PRs 15887 and 15888 align virtual DOM slot content with Vapor sequencing and keep a Vapor slot's anchor stable during keyed moves. PR 15889 corrects hydration placement so adopted content sits ahead of its fallback, and PR 15890 ensures fallbacks resolve…
What's next: watch for…
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