To any fellow users with Quest 2 HMDs - the latest software update to v33 has introduced a new image sharpening thing when using Link / AirLink, and it doesn’t have any performance impact:
forums.oculusvr.com
“Link and Air Link Visual Improvements
Apparently you can toggle the feature while in-game, so I’ll be having a mess with it next play session. I’m not sure the results will show on secondary monitor screenshots, but I’ll post again with any further observations.

Quest build v33 release notes
These features and enhancements will become available starting the week of September 13th, 2021. Guardian History If your headset is experiencing tracking issues, you can now use Clear Guardian history to delete Guardian maps and tracking data in addition to boundary data from your Quest or...
“Link and Air Link Visual Improvements
- Next time you use Link or Air Link with your headset, you may notice improved image quality and text clarity thanks to Link Sharpening. Link Sharpening makes images crisper, fine details clearer, and text more clear and easy to read.”
