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feat: add Render support to adapter-auto - #16850

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teemingc merged 6 commits into
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pgull:adapter-auto-render
Aug 27, 2026
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feat: add Render support to adapter-auto#16850
teemingc merged 6 commits into
sveltejs:version-3from
pgull:adapter-auto-render

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@pgull

@pgull pgull commented Aug 19, 2026 •
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This adds zero-config deployment support for Render to adapter-auto.

Render exposes RENDER in the build environment and uses adapter-node for its SvelteKit template. This PR adds a Render detection mapping to adapter-node.

I've also updated the Zero-config deployments docs to list Render as a supported environment.

Please don't delete this checklist! Before submitting the PR, please make sure you do the following:

  • It's really useful if your PR references an issue where it is discussed ahead of time. In many cases, features are absent for a reason. For large changes, please create an RFC: https://github.com/sveltejs/rfcs
  • This message body should clearly illustrate what problems it solves.
  • Ideally, include a test that fails without this PR but passes with it.

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  • Run the tests with pnpm test and lint the project with pnpm lint and pnpm check

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  • If your PR makes a change that should be noted in one or more packages' changelogs, generate a changeset by running pnpm changeset and following the prompts. Changesets that add features should be minor and those that fix bugs should be patch. Please prefix changeset messages with feat:, fix:, or chore:.

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@pkg-svelte-dev

pkg-svelte-dev Bot commented Aug 19, 2026 •
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Install the latest version of @sveltejs/kit from a12620f:

pnpm add https://pkg.svelte.dev/@sveltejs/kit/c/a12620f73291fdd3abcce5f3b2e6fca1ae3cc595

Open in pkg.svelte.dev: https://pkg.svelte.dev/repos/kit/pr/16850

Note

This PR is from a fork. A maintainer must approve approve each commit before it can be built and installed.

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changeset-bot Bot commented Aug 19, 2026 •
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🦋 Changeset detected

Latest commit: a12620f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
@sveltejs/adapter-auto Minor

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@teemingc

teemingc commented Aug 21, 2026

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Thanks for the PR. Do you mind rebasing this on the version-3 branch?

@Nic-Polumeyv
Nic-Polumeyv changed the base branch from main to version-3 August 25, 2026 01:58
@svelte-docs-bot

svelte-docs-bot Bot commented Aug 27, 2026

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Preview: https://svelte-dev-git-preview-kit-16850-svelte.vercel.app/

Rich-Harris
Rich-Harris reviewed Aug 27, 2026
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Comment thread packages/adapter-auto/adapters.js Outdated
Rich-Harris
Rich-Harris approved these changes Aug 27, 2026
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thank you!

@teemingc
teemingc merged commit 31a06c2 into sveltejs:version-3 Aug 27, 2026
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@github-actions github-actions Bot mentioned this pull request Aug 27, 2026
Merged
teemingc pushed a commit that referenced this pull request Sep 8, 2026
@github-actions
Version Packages (next) (#16943)
090d77f 
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to version-3, this PR
will be updated.

⚠️⚠️⚠️⚠️⚠️⚠️

`version-3` is currently in **pre mode** so this branch has prereleases
rather than normal releases. If you want to exit prereleases, run
`changeset pre exit` on `version-3`.

⚠️⚠️⚠️⚠️⚠️⚠️

# Releases
## @sveltejs/adapter-cloudflare@8.0.0-next.7

### Major Changes

- breaking: populate env vars before `instrumentation.server.js` is
evaluated and update the adapter instrumentation API
([#16303](#16303))

- breaking: remove cloudflare `platform`, emulate the
`cloudflare:workers` module instead
([#16754](#16754))

- breaking: replace the `builder.generateManifest` with
`builder.generateServerInstance` and `builder.manifest`
([#16875](#16875))

### Patch Changes

- Updated dependencies
[[`9a4b343`](9a4b343),
[`ee2f55b`](ee2f55b),
[`65673a4`](65673a4),
[`1b79845`](1b79845),
[`b12bb78`](b12bb78),
[`03f1687`](03f1687),
[`49f0808`](49f0808),
[`e7c74bf`](e7c74bf),
[`0876d63`](0876d63),
[`9a2b9ba`](9a2b9ba),
[`c9f54b5`](c9f54b5),
[`22b8152`](22b8152),
[`f6d44cf`](f6d44cf),
[`3c3a27b`](3c3a27b),
[`7f376b1`](7f376b1),
[`8a587c7`](8a587c7),
[`aa4f960`](aa4f960)]:
  - @sveltejs/kit@3.0.0-next.27
## @sveltejs/adapter-netlify@7.0.0-next.11

### Major Changes

- breaking: populate env vars before `instrumentation.server.js` is
evaluated and update the adapter instrumentation API
([#16303](#16303))

- breaking: replace the `builder.generateManifest` with
`builder.generateServerInstance` and `builder.manifest`
([#16875](#16875))

### Patch Changes

- fix: route requests with omitted optional parameters to split
serverless functions
([#17020](#17020))

- fix: copy `_redirects` when deploying edge function
([#17047](#17047))

- chore: replace `@iarna/toml` with `smol-toml`
([#16948](#16948))

- chore: identify serverless functions with a UUID instead of Netlify's
function token ([#17044](#17044))

- fix: ensure serverless function files have unique names
([#17049](#17049))
- Updated dependencies
[[`9a4b343`](9a4b343),
[`ee2f55b`](ee2f55b),
[`65673a4`](65673a4),
[`1b79845`](1b79845),
[`b12bb78`](b12bb78),
[`03f1687`](03f1687),
[`49f0808`](49f0808),
[`e7c74bf`](e7c74bf),
[`0876d63`](0876d63),
[`9a2b9ba`](9a2b9ba),
[`c9f54b5`](c9f54b5),
[`22b8152`](22b8152),
[`f6d44cf`](f6d44cf),
[`3c3a27b`](3c3a27b),
[`7f376b1`](7f376b1),
[`8a587c7`](8a587c7),
[`aa4f960`](aa4f960)]:
  - @sveltejs/kit@3.0.0-next.27
## @sveltejs/adapter-node@6.0.0-next.12

### Major Changes

- breaking: populate env vars before `instrumentation.server.js` is
evaluated and update the adapter instrumentation API
([#16303](#16303))

- breaking: replace the `builder.generateManifest` with
`builder.generateServerInstance` and `builder.manifest`
([#16875](#16875))

### Patch Changes

- Updated dependencies
[[`9a4b343`](9a4b343),
[`ee2f55b`](ee2f55b),
[`65673a4`](65673a4),
[`1b79845`](1b79845),
[`b12bb78`](b12bb78),
[`03f1687`](03f1687),
[`49f0808`](49f0808),
[`e7c74bf`](e7c74bf),
[`0876d63`](0876d63),
[`9a2b9ba`](9a2b9ba),
[`c9f54b5`](c9f54b5),
[`22b8152`](22b8152),
[`f6d44cf`](f6d44cf),
[`3c3a27b`](3c3a27b),
[`7f376b1`](7f376b1),
[`8a587c7`](8a587c7),
[`aa4f960`](aa4f960)]:
  - @sveltejs/kit@3.0.0-next.27
## @sveltejs/adapter-vercel@7.0.0-next.9

### Major Changes

- breaking: populate env vars before `instrumentation.server.js` is
evaluated and update the adapter instrumentation API
([#16303](#16303))

- breaking: replace the `builder.generateManifest` with
`builder.generateServerInstance` and `builder.manifest`
([#16875](#16875))

### Patch Changes

- fix: pass the requested pathname, including any trailing slash, to ISR
functions ([#16903](#16903))

- fix: trace `process.cwd()`-relative files from the project directory
and never glob from the filesystem root
([#16972](#16972))
- Updated dependencies
[[`9a4b343`](9a4b343),
[`ee2f55b`](ee2f55b),
[`65673a4`](65673a4),
[`1b79845`](1b79845),
[`b12bb78`](b12bb78),
[`03f1687`](03f1687),
[`49f0808`](49f0808),
[`e7c74bf`](e7c74bf),
[`0876d63`](0876d63),
[`9a2b9ba`](9a2b9ba),
[`c9f54b5`](c9f54b5),
[`22b8152`](22b8152),
[`f6d44cf`](f6d44cf),
[`3c3a27b`](3c3a27b),
[`7f376b1`](7f376b1),
[`8a587c7`](8a587c7),
[`aa4f960`](aa4f960)]:
  - @sveltejs/kit@3.0.0-next.27
## @sveltejs/kit@3.0.0-next.27

### Major Changes

- major: error when a client-requested single-flight mutation isn't
respected by the server, allow the server to explicitly ignore refreshes
([#16892](#16892))

- breaking: remove `Server` constructor and `SSRManifest` from public
types ([#16876](#16876))

- breaking: replace the `builder.generateManifest` with
`builder.generateServerInstance` and `builder.manifest`
([#16875](#16875))

### Minor Changes

- feat: allow adapters to receive the Svelte config as a function
argument when adding Vite plugins
([#16986](#16986))

- feat: allow adapters to override `getRequest` and `setResponse` during
`vite dev` and `vite preview`
([#16753](#16753))

### Patch Changes

- fix: respect `paths.relative` during development for client files
([#17053](#17053))

- fix: clarify circular imports from `src/env`
([#17014](#17014))

- breaking: populate env vars before `instrumentation.server.js` is
evaluated and update the adapter instrumentation API
([#16303](#16303))

- fix: record a history traversal before resolving its route
([#16959](#16959))

- fix: support coordinate objects from image inputs in remote forms
([#16944](#16944))

- fix: walk and copy directories without a stat per file
([#16995](#16995))

- fix: widen remote form fields for union schemas and string enums
([#16937](#16937))

- fix: respond to `HEAD` requests without a body
([#17036](#17036))

- chore: replace deprecated Vite dev server APIs
([#16961](#16961))

- fix: settle a query's pending request in place when its value arrives
through `set()` ([#16958](#16958))

- fix: prevent `await_reactivity_loss` warning and
`state_unsafe_mutation` error when the new version detector runs after
an `await` ([#16915](#16915))

- chore: parse page options and remote modules with Vite's `parseSync`
instead of `acorn`
([#16947](#16947))
## @sveltejs/adapter-auto@8.0.0-next.4

### Minor Changes

- feat: add zero-config deployment support for Render
([#16850](#16850))

### Patch Changes

- Updated dependencies
[[`9a4b343`](9a4b343),
[`ee2f55b`](ee2f55b),
[`65673a4`](65673a4),
[`1b79845`](1b79845),
[`b12bb78`](b12bb78),
[`03f1687`](03f1687),
[`49f0808`](49f0808),
[`e7c74bf`](e7c74bf),
[`0876d63`](0876d63),
[`9a2b9ba`](9a2b9ba),
[`c9f54b5`](c9f54b5),
[`22b8152`](22b8152),
[`f6d44cf`](f6d44cf),
[`3c3a27b`](3c3a27b),
[`7f376b1`](7f376b1),
[`8a587c7`](8a587c7),
[`aa4f960`](aa4f960)]:
  - @sveltejs/kit@3.0.0-next.27
## @sveltejs/package@3.0.0-next.8

### Patch Changes

- chore: read the Svelte config via `@sveltejs/load-config`
([#17039](#17039))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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