A month back Xiaomi released kernel source for Redmi note 5 pro based on nougat and now Xiaomi has released Kernel source for Android Oreo 8.1. Xiaomi created a bad rap for delaying announcing the kernel source for their device but it seems like Xiaomi is doing good from now. Xiamo releasing Kernel sources for their new device quickly.
The Redmi Note 5 Pro launched in China and after few weeks It launched in India on the Valentine Day. This device was running on Android Nougat back those days and they released Nogut Kernel Source in the first week of the April, That was unexpected because Mi A1 user had to wait for 6 months to release Kernel source for their device.
Meanwhile, Redmi Note 5 Pro supports the project treble Unofficially. Lineage OS 15.1 now supports project treble for Redmi Note 5 Pro.