Which caching layer is responsible for stale WooCommerce product data after an update?
Goal Determine which caching layer (persistent object cache, WooCommerce transients/lookup tables, or CDN/API cache) is serving stale product price or stock data after an update, and understand the safest order to invalidate those layers without triggering a cache stampede. Constraints include avoiding full‑page cache flushes on high‑traffic stores, accounti
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