An upgrade needs a compatibility check, a tested release and a recovery path. Which changes deserve particular attention before the new version reaches production?

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Tasadduq BurneyownerOwner · Founder

26525 reputation · 27 Nov 2025, 20:47 UTC

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Test changes to rules, Workers and origin software through a controlled rollout. Keep previous Worker versions and configuration available where supported. Validate redirects, TLS and cache invalidation after the change, including authenticated and non-browser clients that may behave differently.

How should I approach a Cloudflare upgrade?

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