Please visit my LinkedIn article posted this morning for a brief explanation on this issue:
https://www.linkedin.com/today/post/...?trk=prof-post
May 23, 2019, Recording of Free Community Conference Call (Every Other Thursday)
Immigration.com
Nonimmigrant Visas
Green Card
Substantial transcription for video
FAQ's: H-1B unpaid leave or time off, What to expect from H-4 EAD revocation, Options for career or school - while employment-based green card is pending, Impact on green card of job promotions