Do you want to request a feature or report a bug?
Bug: What is the current behavior?
Bug: What is the expected behavior?
Bug: What browsers are impacted? Which versions?
Bug: What is the proposed solution?
Feature: What is your use case for such a feature?
Feature: What is your proposed API entry? The new option to add? What is the behavior?
What is the version you are using? Always try to use the latest one before opening a bug issue.