Who contributed to Vue.js on August 16, 2026?

2 developers shipped this update, including github-actions[bot] and zhiyuanzmj.

What were the notable Vue.js updates?

v3.2.21, fix(compiler-vapor): preserve modifiers on merged event handlers, and fix(compiler/vapor): resolve fallback across multiple slot roots.

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The Wire · Showcase

VUE VAPOR REARCHITECTS EVENT DELEGATION, SHIPS BREAKING CHANGES

By RepoJournal · Filed 06:55 UTC on August 16, 2026 · About Vue.js

2 people shipped this

zhiyuanzmj @zhiyuanzmj 2 cited

github-actions[bot] @github-actions[bot] 1 cited

Vue's experimental Vapor compiler just broke event handling to make it faster: event delegation is now opt-in, not automatic.

Vue-jsx-vapor v3.2.21 landed with a compiler overhaul that replaces the logicalIndex system with block placeholders [1], a fundamental shift in how the compiler tracks component structure. The same release flips event delegation from on-by-default to opt-in [1], giving you control over performance versus convenience. This tracks closely with upstream changes copied from vue/core [2] that fix event modifier preservation and quoted attribute spacing. The patch also resolves slot fallback behavior across multiple roots [3], addressing a corner case that would have bitten production code. In 8 commits across the experiment, zhiyuanzmj has been steadily pulling fixes from the mainline, suggesting Vapor is moving closer to stability.

Action items

→ Review event delegation changes in v3.2.21 before adopting Vapor in production vuejs/vue-jsx-vapor [plan]
→ Audit any existing Vapor projects for event modifier handling after the merge vuejs/vue-jsx-vapor [monitor]

References

[1] v3.2.21 ↗ vuejs/vue-jsx-vapor
[2] fix(compiler-vapor): preserve modifiers on merged event handlers vuejs/vue-jsx-vapor
[3] fix(compiler/vapor): resolve fallback across multiple slot roots vuejs/vue-jsx-vapor

Quick answers

What shipped in Vue.js on August 16, 2026?: Vue's experimental Vapor compiler just broke event handling to make it faster: event delegation is now opt-in, not automatic. In total, 8 commits and 1 releases landed.
Who contributed to Vue.js on August 16, 2026?: 2 developers shipped this update, including github-actions[bot] and zhiyuanzmj.
What were the notable Vue.js updates?: v3.2.21, fix(compiler-vapor): preserve modifiers on merged event handlers, and fix(compiler/vapor): resolve fallback across multiple slot roots.

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