NoScript Lifecycle error on extension updates

Browser console shows

[NoScript] Survival tab failed Error: crypto.subtle is undefined crypto.subtle is undefined <empty string> log.js:42:13
    error moz-extension://uuid/nscl/common/log.js:42
    l moz-extension://uuid/bg/LifeCycle.js:124
Error: crypto.subtle is undefined LifeCycle.js:347:17
    onUpdateAvailable moz-extension://uuid/bg/LifeCycle.js:347