There is no official announcement about the release date and time of the BGMI 1.8 update as of now.

BGMI 1.8 Features

BGMI 1.8 Features List

1. 8vs8 Mode 2. AS-VAL Gun 3. Blue Zone 4. C1S4 – Royale Pass M7 & M8 5. C4 Explosive

– Demolition Map Zone (in Karakin Only) – Dirt Bike – Hyundai Pony Coupe Car – K2 Assualt Rifle (AR) Gun – Mission Ignition 3.0, and many more