A potential launch date for Intel's anticipated 9th Gen Coffee Lake H Refresh has been offered: April 21. Along with the date, the same source has offered full details of the six models that will make up the series of new Intel Core mobile processors. However, some of the information conflicts with previously rumored specifications, although it does offer an insight to expected clocks and TDP.
https://www.notebookcheck.net/Rumored-release-date-and-full-specifications-for-Intel-s-9th-Gen-Coffee-Lake-H-Refresh-chips.415949.0.html