Download of Pixel3ROM - polaris New Year Update (polaris-ota-qq1b.191205.011-REL.12291914.zip: 1,677,842,809 bytes) will begin shortly. If not so, click polaris-ota-qq1b.191205.011-REL.12291914.zip.
Pixel3ROM is an after-market open source firmware for selected list of QCOM smartphones. It is based on Android Open Source Project and brings features and UI changes from Google Pixel stock firmware.