Only use GitHub issues for bugs and feature requests.   
For general support from the community, see https://vaadin.com/forum

NOTE: Issues for Vaadin Flow (Vaadin v10 Java Framework) should go to https://github.com/vaadin/flow

To make sure we can quickly validate and fix the bug, please provide as much as possible of the following information:
- Vaadin Framework version (e.g. 8.3.1)
- Browser version
- Web container name and version
- Description of the bug
- Minimal reproducible example
- Expected behavior
- Actual behavior