[Guide] Unlock Bootloader and Root Google Pixel 3 and Pixel 3XL
Like the predecessors, the newly launched Google Pixel 3 and Pixel 3XL are fully developer friendly, which means it is easy to unlock the bootloader, install TWRP custom recovery and get root on these devices. Both Pixel 3 and Pixel 3XL go on general sale on 1 November 2018, however the good news is that root method has already been discovered for the device. Topjohnwu, The developer of the systemless root tool Magisk has updated the tool to support Pixel 3 and Pixel 3XL.
