This issue is to point out the differences in water when comparing a current viewer to pre-PBR (in this case FS 6.6.17).
If you're reading this and would also like to point out obvious water changes you've noticed since the implementation of PBR then please do! Images are definitely recommended. Be sure to provide a SLURL for the location the image was taken at and what graphics settings are set to :)
Please note that this is not focusing on water reflections