WIP [DO] Durable Objects preShutdown hook - #32877
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czw., 20 sie 2026, 02:47 użytkownik github-actions[bot] <
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… *github-actions[bot]* left a comment (cloudflare/cloudflare-docs#32877)
<#32877 (comment)>
*Preview URL:* https://d0a2c86e.preview.developers.cloudflare.com
*Preview Branch URL:*
https://docs-durable-objects-pre-shutdown-hook.preview.developers.cloudflare.com
*Files with changes (up to 15)*
Original Link Updated Link
https://developers.cloudflare.com/durable-objects/api/base/
https://docs-durable-objects-pre-shutdown-hook.preview.developers.cloudflare.com/durable-objects/api/base/
https://developers.cloudflare.com/durable-objects/best-practices/rules-of-durable-objects/
https://docs-durable-objects-pre-shutdown-hook.preview.developers.cloudflare.com/durable-objects/best-practices/rules-of-durable-objects/
https://developers.cloudflare.com/durable-objects/concepts/durable-object-lifecycle/
https://docs-durable-objects-pre-shutdown-hook.preview.developers.cloudflare.com/durable-objects/concepts/durable-object-lifecycle/
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Summary
preShutdown()best-effort shutdown hook. This is drafted ahead of the feature shipping and depends on two open decisions:preShutdown(info). An alternative proposal (acloudflare:workers-exported symbol, invoked as[shutdown](info)) is still under discussion with no resolution yet. If that direction is chosen instead, the API reference section inapi/base.mdxneeds a structural rewrite, not a rename.Files changed:
docs/durable-objects/api/base.mdx— newpreShutdownmethod reference (signature, parameters, guarantees, TS + Python examples)docs/durable-objects/concepts/durable-object-lifecycle.mdx— new "Shutdown notifications" section describing which shutdown causes trigger the hookpartials/durable-objects/working-without-shutdown-hooks.mdx— updates the existing guidance, which currently states shutdown hooks "are not provided"docs/durable-objects/best-practices/rules-of-durable-objects.mdx— best-practice example showingpreShutdown()used to reduce (not replace) checkpoint frequencyDocumentation checklist