With this change, a service worker can no longer respond to a request whose mode is 'same-origin' with a response whose type is 'cors'. This is a security measure added to the Fetch specification via https://github.com/whatwg/fetch/issues/629 and https://github.com/whatwg/fetch/pull/655.
Specification being incubated in a Community Group
Status in Chromium
Enabled by default
Consensus & Standardization
Search tagsfetch, cors, same-origin, request, response, mode, serviceworker, service, worker,
Last updated on 2020-11-09