Who contributed to Vue.js on May 28, 2026?

3 developers shipped this update, including pont1s, KazariEX, and wyf027.

What were the notable Vue.js updates?

fix(teleport): skip child unmount when pending mount discarded (#14876), fix(compiler-core): avoid double processing v-for keys with v-memo, and fix(server-renderer): propagate sync errors from `ssrRenderSuspense` (#14804).

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The Wire · Showcase

VUE PATCHES TELEPORT RACE CONDITION THAT BREAKS SUSPENSE

By RepoJournal · Filed 06:01 UTC on May 28, 2026 · About Vue.js

3 people shipped this

KazariEX @KazariEX 2 cited

pont1s @pont1s 1 cited

wyf027 @wyf027 1 cited

A critical fix for deferred teleports inside Suspense prevents stray DOM updates when content is discarded before mount, solving a class of silent failures that hit production apps.

Vue core shipped two compiler fixes overnight that address real-world edge cases in rendering pipelines. The teleport fix [1] closes a gap where discarded content could still attempt to mount or unmount when Suspense async operations were abandoned, potentially leaving orphaned DOM nodes. Alongside that, the v-for key handling [2] stops the compiler from double-processing memo and key expressions, cutting unnecessary work and fixing inconsistent prefix handling in template v-for scenarios. A third critical fix [3] ensures server-renderer now properly propagates sync errors from ssrRenderSuspense, resolving issues that silently swallowed errors in Nuxt deployments. On the performance side, runtime-dom's event handler dispatch [4] eliminates per-dispatch allocations and wrapper closures for array handlers, a targeted win for high-frequency event scenarios. Language-tools also patched grammar scope leakage in capitalized tags [5], fixing IDE highlighting pollution. Router landed three feature commits: repeatable params in subsegments [6], string-based param parsers [7], and experimental types config override support [8] for stricter type checking in projects that need it.

Action items

→ Pull and test the teleport + Suspense fix in any server-rendered or async component flows vuejs/core [plan]
→ Update language-tools to fix VSCode grammar scope pollution on custom components vuejs/language-tools [monitor]
→ Review router experimental types config if you're strict-checking param handling vuejs/router [monitor]

References

[1] fix(teleport): skip child unmount when pending mount discarded (#14876) ↗ vuejs/core
[2] fix(compiler-core): avoid double processing v-for keys with v-memo ↗ vuejs/core
[3] fix(server-renderer): propagate sync errors from `ssrRenderSuspense` (#14804) vuejs/core
[4] perf(runtime-dom): optimize array event handler dispatch ↗ vuejs/core
[5] fix(vscode): prevent grammar scopes leakage in capitalized tags ↗ vuejs/language-tools
[6] fix(experimental): repeatable params in subsegments vuejs/router
[7] feat: allow string as a param parser for convenience vuejs/router
[8] feat: override useRouter() return with experimental types config vuejs/router

Quick answers

What shipped in Vue.js on May 28, 2026?: A critical fix for deferred teleports inside Suspense prevents stray DOM updates when content is discarded before mount, solving a class of silent failures that hit production apps. In total, 18 commits, 10 pull requests, and 1 releases landed.
Who contributed to Vue.js on May 28, 2026?: 3 developers shipped this update, including pont1s, KazariEX, and wyf027.
What were the notable Vue.js updates?: fix(teleport): skip child unmount when pending mount discarded (#14876), fix(compiler-core): avoid double processing v-for keys with v-memo, and fix(server-renderer): propagate sync errors from `ssrRenderSuspense` (#14804).

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