Crash report: bp-de65db0a-a772-48fe-a7b0-91bce2141102 =============================================== This crash occurs when unregister() is called within a succeded promise while registering a serviceWorker. For example: >navigator.serviceWorker.register('sw.js', { >scope: './' >}).then(function(reg) { >// registration worked >console.log('Registration succeeded.'); >reg.unregister(); >}).catch(function(error) { >// registration failed >console.log('Registration failed with ' + error); >});

Have you tried the same on maple?

I just tried it on maple and the crash does not occur. It works on maple.