A couple of days back OnePlus 7 Pro has updated to OxygenOS 9.5.11 with August security patch, improved touch screen sensitivity, Adaptive Brightness optimization, etc. The OxygenOS 9.5.8 update caries optimized Adaptive Brightness, updated GMS (June 2019) along with general bug fixes and optimizations.

OxygenOS 9.5.8 includes the following changes:

Optimized Adaptive Brightness Fixed the issue with quick settings menu dropping down due to accidental touches, while on a call Updated GMS to 2019.06 Updated Android security patch to 2019.08 General bug fixes and improvements

OnePlus starts rolling out the OTA update. If you haven’t received the update notification on your OnePlus 7, check it by going to Settings > System Updates > Check for OTA updates. Alternately, download the full OTA/full update zip file from below link and install manually.

Download OxygenOS 9.5.8 OTA/Full ROM

OnePlus 7 (India/Global) Full ROM (coming) OnePlus 7 (EU) Full ROM (coming) OxygenOS 9.5.7 – 9.5.8 OTA (download) – (India/Global) [MD5: 2b55bce9b3e4a9673477d5f8b525bce2] OxygenOS 9.5.7 – 9.5.8 OTA (download) – (EU)

To install the firmware update manually, all you need to save the downloaded zip file in the root directory (not in any folder) of your OnePlus device, go to System updates menu and choose Local Upgrade. Your phone will start installing the update. (source)