They've done a fair amount, As well as a
LOT of bug fixes they've added in some very nice PC specific things -
- Added a benchmark mode. You can find it in Settings > Run Benchmark.
- Added a "Toggle walking" option when playing with keyboard. It is activated by pressing G during exploration. The key can be rebinded in Settings.
- Enabled transparent ray-traced reflections on glossy coating of some cars.
- Enabled Variable Rate Shading (VRS). This feature boosts rendering performance and visual quality by varying the shading rate for different regions of the frame. Available only on compatible hardware.
- Fixed an issue which blocked Resolution Scaling on AMD graphics cards when Ray Tracing was enabled
- Added AMD FidelityFX™ Super Resolution (FSR) 1.0 algorithm, replacing Contrast Adaptive Sharpening (CAS). On PC it can be enabled in Settings > Graphics > Resolution Scaling.
- Multiple fixes and improvements related to stability and optimization.
Full patch notes -
https://www.cyberpunk.net/en/news/41435/patch-1-5-next-generation-update-list-of-changes