This MR contains the following updates:
| Package | Change | Age | Confidence |
|---|---|---|---|
| [vue](https://github.com/vuejs/core/tree/main/packages/vue#readme) ([source](https://github.com/vuejs/core)) | [`3.5.20` -> `3.5.21`](https://renovatebot.com/diffs/npm/vue/3.5.20/3.5.21) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) |
---
### Release Notes
<details>
<summary>vuejs/core (vue)</summary>
### [`v3.5.21`](https://github.com/vuejs/core/blob/HEAD/CHANGELOG.md#3521-2025-09-02)
[Compare Source](https://github.com/vuejs/core/compare/v3.5.20...v3.5.21)
##### Bug Fixes
- **compiler-core:** force dynamic slots when slot referencing scope vars ([#​9427](https://github.com/vuejs/core/issues/9427)) ([99d54b2](https://github.com/vuejs/core/commit/99d54b28b46dbea006205dff71c383a31dd1b87a)), closes [#​9380](https://github.com/vuejs/core/issues/9380)
- **compiler-sfc:** check lang before attempt to compile script ([#​13508](https://github.com/vuejs/core/issues/13508)) ([55922ff](https://github.com/vuejs/core/commit/55922ff3168a1397ad72f18946eb1c4051cdab3b)), closes [#​8368](https://github.com/vuejs/core/issues/8368)
- **compiler-sfc:** support `${configDir}` in paths for TypeScript 5.5+ ([#​13491](https://github.com/vuejs/core/issues/13491)) ([8696e34](https://github.com/vuejs/core/commit/8696e346b4780d88247464490f1a992cc0c3658c)), closes [#​13484](https://github.com/vuejs/core/issues/13484)
- **compiler-sfc:** support global augments with named exports ([#​13789](https://github.com/vuejs/core/issues/13789)) ([35da3c6](https://github.com/vuejs/core/commit/35da3c6dcb30030ef60fa22e30aa83a56e396c60))
- **custom-element:** prevent defineCustomElement from mutating the options object ([#​13791](https://github.com/vuejs/core/issues/13791)) ([e322436](https://github.com/vuejs/core/commit/e322436887549c129e61eb58a0084167103451bb))
- **hmr:** prevent `__VUE_HMR_RUNTIME__` from being overwritten by vue runtime in 3rd-party libraries ([#​13817](https://github.com/vuejs/core/issues/13817)) ([1392734](https://github.com/vuejs/core/commit/1392734ae5d5a3b2be124753e198eafa324f6815)), closes [vitejs/vite-plugin-vue#644](https://github.com/vitejs/vite-plugin-vue/issues/644)
- **hmr:** prevent update unmounting component during HMR reload ([#​13815](https://github.com/vuejs/core/issues/13815)) ([ef20b86](https://github.com/vuejs/core/commit/ef20b86b36a127e317f8981df970dc8efd277053)), closes [vitejs/vite-plugin-vue#599](https://github.com/vitejs/vite-plugin-vue/issues/599)
- **runtime-core:** disable tracking block in h function ([#​8213](https://github.com/vuejs/core/issues/8213)) ([8f6b505](https://github.com/vuejs/core/commit/8f6b5050518441a5047d128138da44f798836002)), closes [#​6913](https://github.com/vuejs/core/issues/6913)
- **runtime-core:** use separate emits caches for components and mixins ([#​11661](https://github.com/vuejs/core/issues/11661)) ([15fc75f](https://github.com/vuejs/core/commit/15fc75f4031dea805c3bbb67a75e48a9dc307c11))
- **Suspence:** handle Suspense + KeepAlive HMR updating edge case ([#​13076](https://github.com/vuejs/core/issues/13076)) ([5d75a17](https://github.com/vuejs/core/commit/5d75a170c8d23acd11ef2513173d4cbc4d0b54de)), closes [#​13075](https://github.com/vuejs/core/issues/13075)
- **Teleport:** hydrate disabled Teleport with undefined target ([#​11235](https://github.com/vuejs/core/issues/11235)) ([00978f7](https://github.com/vuejs/core/commit/00978f7d14e85b49d9d334ea92fa8c03733ce64c)), closes [#​11230](https://github.com/vuejs/core/issues/11230)
- **templateRef:** prevent unnecessary set ref on dynamic ref change or component unmount ([#​12642](https://github.com/vuejs/core/issues/12642)) ([93ba107](https://github.com/vuejs/core/commit/93ba10767230872fcdca974a1e19e8bd69b7eb6a)), closes [#​12639](https://github.com/vuejs/core/issues/12639)
- **watch:** use maximum depth for duplicates ([#​13434](https://github.com/vuejs/core/issues/13434)) ([f2699a5](https://github.com/vuejs/core/commit/f2699a5cb376ffa452a54feb171c14411c67287c))
##### Performance Improvements
- improve regexp performance with non-capturing groups ([#​13567](https://github.com/vuejs/core/issues/13567)) ([1e8b65a](https://github.com/vuejs/core/commit/1e8b65aa4934c94ef6142b4f49cdfb13ba5e6ce5))
</details>
---
### Configuration
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---
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---
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This MR contains the following updates:
3.5.20->3.5.21Release Notes
vuejs/core (vue)
v3.5.21Compare Source
Bug Fixes
${configDir}in paths for TypeScript 5.5+ (#13491) (8696e34), closes #13484__VUE_HMR_RUNTIME__from being overwritten by vue runtime in 3rd-party libraries (#13817) (1392734), closes vitejs/vite-plugin-vue#644Performance Improvements
Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever MR is behind base branch, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this MR and you won't be reminded about this update again.
This MR has been generated by Renovate Bot.
mentioned in issue #49