This topic continues the offline discussion from the Meteor on Bun thread ( Meteor on Bun: ESM bundle, native host, and initial benchmarks - #13 by dupontbertrand ), so it gets its own place. TL;DR Meteor 3.6 (currently in release candidate) ships meteor create –pwa: an installable Blaze app with a manifest, icons, a dependency-free service worker and an offline fallback page. It does not sync data offline.