# Cloud Firestore adds array queries and set-like element updates

DevFeed: [Cloud Firestore adds array queries and set-like element updates](<https://devfeed.tech/articles/better-arrays-in-cloud-firestore-16277.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2018/08/better-arrays-in-cloud-firestore>)

Author: Todd Kerpelman

Published: 2018-08-09T00:00:00Z

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>), [Data structures](<https://devfeed.tech/topics/data-structures.md>)

Tags: [arrays](<https://devfeed.tech/tags/arrays.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [firestore](<https://devfeed.tech/tags/firestore.md>), [launch](<https://devfeed.tech/tags/launch.md>), [new-feature](<https://devfeed.tech/tags/new-feature.md>), [sdks](<https://devfeed.tech/tags/sdks.md>), [security-rules](<https://devfeed.tech/tags/security-rules.md>), [updates](<https://devfeed.tech/tags/updates.md>)

## AI overview

Cloud Firestore now supports querying array elements, adding or removing elements with set-like behavior, and security rules based on whether an element exists in an array. The changes are available with the latest client SDKs.

## Source excerpt

News, tutorials, and updates from the Firebase team.