At this point, there are growing calls for Google to
simply consolidate all of its planned 2020 phones
under a single launch, and rename the Pixel 4a to the 5a,
and announce them together at a presumably-still-happening
(and likely digital-only) event.
https://www.androidpolice.com/2020/07/01/the-pixel-3a-may-be-discontinued-goes-unavailable-on-google-store/