A couple of details ... the return of shared memory > At the start of 2018, Shared Memory and high-resolution timers were effectively disabled in light of Spe

A couple of details ... the return of shared memory > At the start of 2018, Shared Memory and high-resolution timers were effectively disabled in light of Spectre. In 2020, a new, more secure approach has been standardized to re-enable shared memory. mondo details here https://hacks.mozilla.org/2020/07/safely-reviving-shared-memory/ https://hacks.mozilla.org/2020/07/safely-reviving-shared-mem... more secure target=_blank links > To prevent the DOM property window.opener from being abused by untrusted third-party sites, Firefox 79 now automatically sets rel=noopener for all links that contain target=_blank.