I saw this and JavaScript supports \'array-contains\' but what about flutter? Is there any way to query array that contains? Or flutter not support this?
\'array-contains\'
Today I discover that they add array-contains to the plugin in version 0.8.0:
https://github.com/flutter/plugins/blob/master/packages/cloud_firestore/CHANGELOG.md
For iOS you should update the pod with pod update Firebase/Firestore
pod update Firebase/Firestore