As an Apache project, we are using mailing list, JIRA, and Github Issues to obtain the feedback of users. We also have a Twitter account.
Mailing list: dev@iotdb.apache.org.
JIRA issue: https://issues.apache.org/jira/projects/IOTDB/issues
Github issue: https://github.com/apache/iotdb/issues
Twitter: https://twitter.com/apacheiotdb
For Chinese users, we have a QQ Group: 659990460.
We look forward to you sharing the experience of using IoTDB: Survey
For Chinese users, we have a Wechat Public Account. For more details, read 交流
For Chinese users,we have a DingTalk Group. For more details, read 交流
IoTDB community will host Meetups aperiodically, the information can be found in our mailing list and Meetup List