Team win has successfully pushed out the official Twrp for Redmi Note 8 and Redmi 8T. The custom recovery img which can be used to sideload custom ROMs, latest Android version, kernels, add-ons such as Google Apps, SuperSU, themes, etc.
It can also be used to Wipe, backup, restoring, and mounting various device partitions, such as the system, boot, userdata, cache, and internal storage partitions. TWRP also features file transfer via MTP, as well as a basic file manager, and a terminal emulator. Below is the basic definition of TWRP According to Wikipedia.
Meaning of TWRP
Team Win Recovery Project is an open-source software custom recovery image for Android-based devices. It provides a touchscreen-enabled interface that allows users to install third-party firmware and back up the current system which are functions often unsupported by stock recovery images.
The official Redmi Note 8 and 8T Twrp is available for download below and is about 65mb.