Cloudflare is removing in-place DNS record type changes on June 30, 2026 — your Pulumi runs will start failing

Cloudflare announced on January 23, 2026 that changing the type of an existing DNS record via the API is deprecated . End-of-life: June 30, 2026. After that date, a PATCH or PUT against /zones/{zone_id}/dns_records/{id} that flips a record's type field — A → CNAME , CNAME → A , TXT → MX — stops being supported. The deprecation page doesn't promise a specific error code, just that "attempts to change a record's type via update operations will no longer be supported." Read that as: today it works,