# Multi-Tab Offline Support in Cloud Firestore!

DevFeed: [Multi-Tab Offline Support in Cloud Firestore!](<https://devfeed.tech/articles/multi-tab-offline-support-in-cloud-firestore-16288.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2018/09/multi-tab-offline-support-in-cloud>)

Author: Sebastian Schmidt

Published: 2018-09-14T00:00:00Z

Content type: release

Language: en

Sources: [Firebase Blog](<https://devfeed.tech/sources/firebase-blog.md>)

Topics: [Firestore](<https://devfeed.tech/topics/firestore.md>), [Firebase](<https://devfeed.tech/topics/firebase.md>), [SDKs](<https://devfeed.tech/topics/sdks.md>), [Web](<https://devfeed.tech/topics/web.md>), [Chrome](<https://devfeed.tech/topics/chrome.md>), [Firefox](<https://devfeed.tech/topics/firefox.md>)

Tags: [firebase](<https://devfeed.tech/tags/firebase.md>), [firestore](<https://devfeed.tech/tags/firestore.md>), [js-sdk](<https://devfeed.tech/tags/js-sdk.md>), [launch](<https://devfeed.tech/tags/launch.md>), [offline](<https://devfeed.tech/tags/offline.md>), [realtime](<https://devfeed.tech/tags/realtime.md>), [release](<https://devfeed.tech/tags/release.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

Firebase announces experimental multi-tab offline persistence for the Cloud Firestore Web SDK in Firebase JS SDK 5.5.0. Multiple tabs can share persisted data, synchronize local edits while offline, and share query results to reduce repeated backend queries.

## Source excerpt

News, tutorials, and updates from the Firebase team.