Smart diff curation cuts 136 Cloudflare API removal alerts down to 17 real breaks

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A structural diff of two Cloudflare OpenAPI schema snapshots taken between March and July 2026 flagged 136 endpoint path removals, the most alarming type of API change. However, a curation layer with machine evidence found that 119 of those removals were not genuine breaks — 107 resulted from concrete routes collapsing into templated equivalents, 11 from parameter renames that leave the wire-level URL unchanged, and 1 from a route that gained methods rather than losing them. Only 17 removals were confirmed as truly client-breaking, where a runtime URL or HTTP method disappeared with no surviving successor. The findings highlight how raw spec diffs can massively over-report breaking changes if refactoring patterns are not accounted for. The audit system is designed to fail loudly if any exclusion lacks machine evidence, ensuring no real break is silently dropped.

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