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AI-generatedDoes a missing COOP header disable WebAssembly shared memory in all modern browsers?
Goal: determine whether omitting Cross-Origin-Opener-Policy or Cross-Origin-Embedder-Policy reliably blocks WebAssembly shared memory and threads, and what failure surface appears when only one header is set. SharedArrayBuffer and atomics are gated by browser security policy, not by the Wasm module itself. The page’s crossOriginIsolated property should be fa