The release date of the Pixel 4a (5G) and Pixel 5 may have been revealed by Google France. According to an amended blog post, the two 5G smartphones will be available to pre-order from October 8. The Pixel 4a (5G) will start at US$499, but it and the Pixel 5 will only be available to purchase in nine markets.
https://www.notebookcheck.net/The-Pixel-4a-5G-and-Pixel-5-will-only-be-available-in-nine-markets-October-8-release-date-and-US-499-starting-price-revealed.484320.0.html