# Hints and notes

### In this section

* [Big Data: hints and notes](https://help.qlik.com/talend/en-US/archive-release-notes/8.0/big-data-hints-and-notes)
* [Data Integration: hints and notes](https://help.qlik.com/talend/en-US/archive-release-notes/8.0/data-integration-hints-and-notes)
* [Application Integration: hints and notes](https://help.qlik.com/talend/en-US/archive-release-notes/8.0/esb-hints-and-notes)