The Stable update V126.96.36.199.TLKCNXM has been officially released for Redmi K50 Pro (codename is matisse). Before updating, please make sure you have downloaded the exact ROM matching your Xiaomi phone/tablet. In Fastboot mode, you can check model code by typing
fastboot getvar product in cmd/shell.
The firmware files posted here are all official Xiaomi ROM, xiaomiROM.com do not own and never modified those firmwares，you will always download the file from Xiaomi server.
You may interest in those contents: Redmi K50 Pro ROM Topics Xiaomi Devices Index
Download Redmi k50 pro (matisse) China MIUI 14 V188.8.131.52.TLKCNXM Recovery ROM with Android 13.0. Firmware size is 6.0 GB.
Download Redmi k50 pro (matisse) China MIUI 14 V184.108.40.206.TLKCNXM Fastboot ROM with Android 13.0. Firmware size is 7.9 GB.