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Update from support feedback: custom domain lifecycle limitations#6436

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Update from support feedback: custom domain lifecycle limitations#6436
mintlify-development[bot] wants to merge 1 commit into
mainfrom
mintlify/583ee917

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@mintlify-development mintlify-development Bot commented Jul 8, 2026

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Summary

Adds a "Limitations and lifecycle" section to the custom domain page covering constraints that support keeps having to explain: the .mintlify.site subdomain is permanent, renaming a project only changes the display name, the default subdomain stays live after a custom domain is added, and Mintlify serves each project from a single primary custom domain (multi-hostname/multi-project routing requires a reverse proxy or multi-repo).

Changes

  • Added Limitations and lifecycle section to customize/custom-domain.mdx.
  • Cross-linked from deploy/deployments.mdx (delete a deployment) as the workaround for changing a .mintlify.site subdomain.
  • Cross-linked from deploy/reverse-proxy.mdx and deploy/multi-repo.mdx for multi-domain and multi-project routing.

Support context


Note

Low Risk
Documentation-only changes with no application code, configuration, or security impact.

Overview
Documents recurring support topics on custom domain lifecycle that were missing from the docs.

A new Limitations and lifecycle section on the custom domain page explains that the <subdomain>.mintlify.site URL is fixed at creation (renames only change the dashboard display name and can cause Disallowed origin host on previews until rebuild), that the default subdomain stays reachable alongside a verified custom domain with no built-in redirect (canonical URL for SEO), and that each project has one primary custom domain with pointers to reverse proxy, multi-repo, and /docs subpath for harder routing setups.

Delete a deployment now notes that delete-and-recreate is the only way to change the .mintlify.site subdomain, with a link to that section. Reverse proxy and multi-repo pages add short callouts linking back to the same limitations section for multi-hostname and multi-project routing.

Reviewed by Cursor Bugbot for commit f728c34. Bugbot is set up for automated code reviews on this repo. Configure here.

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mintlify Bot commented Jul 8, 2026

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Project Status Preview Updated (UTC)
mintlify 🟢 Ready View Preview Jul 8, 2026, 3:39 AM

@mintlify

mintlify Bot commented Jul 8, 2026

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Preview deployment for your docs. Learn more about Mintlify Previews.

Project Status Preview Updated (UTC)
tomee 🟢 Ready View Preview Jul 8, 2026, 3:40 AM

💡 Tip: Enable Workflows to automatically generate PRs for you.

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