Vue.js: Vapor Parity Push and Out-In Transition Fix
Thirteen fixes landed focused on bringing Vapor in line with the classic renderer, plus a shared Transition crash. The main pattern is interoperability and lifecycle correctness across the two engines.
Duration: PT2M30S
Episode overview
This episode is a short developer briefing from Vue.js.
It explains recent repository work in plain language.
- Show: Vue.js
- Published: 2026-10-01T13:15:41Z
- Audio duration: PT2M30S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning, it's October 1st, 2026, and this is your Vue.js briefing.
The lead story is convergence. Nine of today's thirteen fixes align Vapor behavior with the classic virtual DOM, with particular attention to mixing the two engines in the same app.
The first theme is Vapor interop and state correctness. When a Vapor parent renders a classic component, it was passing properties as a null-prototype object, which broke libraries that call built-in object methods, including Vuetify's proxied model logic, fixed in pull request 15738. Related fixes address hydration…
The second theme is transitions in out-in mode. Calling finish synchronously inside a leave hook crashed with a null parent error and left the view stuck empty. That is now deferred to a queued update in both the classic renderer in pull request 15737 and the Vapor base transition in pull request 15728. Vapor also…
Finally, compiler edge cases. Two Vapor compiler fixes ensure event listeners read the latest values instead of stale captures when dynamic attributes and repeated expressions mix, in pull requests 15729 and 15726. Separately, single-file components now infer the correct runtime type from interfaces that…
What's…
Nearby episodes from Vue.js
- Vapor Hydration and Interop Hardening
- Vapor Hydration and Interop Hardening
- Vapor Parity and Template Correctness Push
- Weekly Recap - Vapor Parity and Hydration Hardening
- Vapor Parity Push and Nested Transition Fix
- Vapor Parity Push and Props Type Fix
- Vapor Closes VDOM Parity Gaps
- Vapor Parity Push and Hydration Fixes