Is the 8GB Raspberry Pi worth it?

The short answer is that, right now, the 8GB capacity makes the most sense for users with very specialized needs: running data-intensive server loads or using virtual machines. As our tests show, it's pretty difficult to use more than 4GB of RAM on Raspberry Pi, even if you're a heavy multitasker. May 29, 2020

Why are Raspberry Pi sold out?

"Demand for Raspberry Pi products increased sharply from the start of 2021 onwards, and supply constraints have prevented us from flexing up to meet this demand, with the result that we now have significant order backlogs for almost all products. Apr 5, 2022

Will there be a Raspberry Pi 5?

0 and USB3. 0 ports, the Raspberry Pi 5 is likely to receive an upgrade for Bluetooth to v5. 2 for faster speeds and increased communication range. For added range, SMA connector options for attaching external antennas for WiFi and Bluetooth may also come in handy for production device integration.