As per the official forum post, the OxygenOS 11.0.7.7 for OnePlus 8 / 8 Pro fixes the shooting button fail issue when taking pictures with 48MP mode, and optimizes the device performance. The update is currently rolling out in India and will start heading to the EU and NA region very soon. 

OnePlus 8 / 8 Pro New Update

Software version:

OnePlus 8 IN: 11.0.7.7.IN21DA EU: 11.0.7.7.IN21BA NA: 11.0.7.7.IN21AA OnePlus 8 Pro IN: 11.0.7.7.IN11DA EU: 11.0.7.7.IN11BA NA: 11.0.7.7.IN11AA​

Changelog:

System Optimized mobile phone performance Updated Android security patch to 2021.06 Camera Fixed the issue that shooting button fails when taking pictures at 48M picture format

As always, the update is rolling out in an incremental fashion, which means that it will initially reach a small percentage of OnePlus 8 / 8 Pro users. And, then a broader rollout once no critical bugs are found. To manually check for the latest update on your OnePlus phone, navigate to Settings » System » System update » Check for update.

OnePlus 8 and 8 Pro get June security patch and camera fix with OxygenOS 11 0 7 7 update - 4