# Known issues and limitations

### In this section

* [Data Preparation: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/data-preparation-known-issues-and-known-limitations)
* [Big Data: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/big-data-known-issues-and-known-limitations)
* [Data Integration: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/data-integration-known-issues-and-known-limitations)
* [Data Mapper: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/data-mapper-known-issues-and-known-limitations)
* [Data Quality: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/data-quality-known-issues-and-known-limitations)
* [ESB: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/esb-known-issues-and-known-limitations)
* [MDM: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/mdm-known-issues-and-known-limitations)
* [Data Stewardship: known issues and known limitations](https://help.qlik.com/talend/en-US/release-notes/7.3/data-stewardship-known-issues-and-known-limitations)