Google I/O is now in full swing, and will be until May 9, 2019. However, at least one major hardware-related announcement is out of the way already. The new mid-range Pixels are here, and start at US$399.
https://www.notebookcheck.net/The-Pixel-3a-and-3a-XL-are-announced-at-Google-I-O.420276.0.html
"...rear panels are plastic rather than higher-end glass. As a consequence, they also lack wireless charging,..." as a consequence of having plastic rear panel? What?