New Raspberry Pi Models Spotted in GitHub Repository

• New Raspberry Pi Zero 3W and Pi 4 Model A hardware has been spotted in the raspberrypi/linux repository.
• A pull request titled 'Add device tree for Pi Zero 3 W and Pi 4A' suggests the new hardware is on the way.
• The Pi Zero 2W, launched five years ago, may be succeeded by the new models.
• The new models aim to address the limitations of the Pi Zero 2W, which had 512 MB of memory.
• The exact specifications and release date of the new models are not yet confirmed.