UPGRADE.md

## Version 5 Breaking Changes

- Dropped TYPO3 9 support
- Dropped php 7.3 support
- Dropped city, street, zip and hide_in_frontend fields from the contact table. There is no upgrade wizard. The fields were not used inside the main template/code since some time. The latter one was depcrated since a while. Adjust your local template to use the company fields instead.
- Job location field is deprecated, use different Companies instead

## Version 4 Breaking Changes

- Dropped TYPO3 8 support