SharedArrayBuffer will be disabled by default as a stopgap: https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/ https://b

SharedArrayBuffer will be disabled by default as a stopgap: https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/ https://blog.mozilla.org/security/2018/01/03/mitigations-lan... performance.now() accuracy is also being reduced.