(1) Even though you are on EAP, you may not get every single EAP version because EAP versions may be specific to certain option codes, and even more granular, certain revision of part numbers that make up the option codes.
(2) 20.4.2 is not an EAP version, but a GA version for those with MCU/2. I think the latest EAP version is 20.2.5.
(3) I'm sure those on EAP with the right options codes will be testing our the latest revision of Smart Summons may get a newer version of the EAP version.
Also some EAP version require you not to disclose what you are testing, so "intended to document new firmware changes on video" may actually get you kicked out of the EAP Program, but not in all cases. Take a look at the document you signed (the link that you clicked on in the EAP email where you accepted the T&C) to see what they say. Others are recording EAP version on YouTube, but we really don't know how many of them may have actually be removed from the EAP Program.