New

• Added Time Speed History Reset Threshold setting
• Added more documentation to settings

Improvement

• Optimized cumulus base coverage noise performance using LUT for higher octaves
• Tweaked default history reset for less light lag
• Updated Chinese translation

Fix

• Fixed water side face parallax glitch
• Fixed SRGB to Rec709 conversions
• Fixed cross-product handedness for bitangent calculation
• Added missing cumulus base noise LUT

New

• Added water volumetrics scattering refraction approximation
• Added underwater bloom boost

Improvement

• Improved water volumetrics shadow using importance sampling

Fix

• Fixed water shadow glitching
• Fixed missing cumulus curl noise
• Fixed translucent exploding z
• Fixed GlobalData modifier in VolumetricsDepthLayers.comp.glsl
• Fixed shadow AABB missing translucent

Misc

• Renamed min3 and max3 to avoid conflicts in Vulkan
• Renamed input colorspace functions

Improvement

• Cumulus cloud overhaul: modeling, lighting, upscaling

Fix

• Corrected daylight sky brightness

New

• Added ground albedo to atmosphere

Improvement

• Improved cloud multiple scattering
• Improved cloud phase encoding precision

Fix

• Fixed atmosphere multiple scattering parametrization
• Fixed atmosphere LUT quantization and noise flickering

Misc

• Moved epipolar slice/sample count setting out from air sub category

This is likely going to be the last release for 1.6, and we will then move on to the 1.7 shadow update.

New

• Added option for entity/particle emissive multiplier

Improvement

• Added depth write to water parallax
• Improved water volumetrics with multiple scattering approximation

Fix

• Fixed wave parallax at larger scale setting
• Fixed caustics

https://github.com/Luna5ama/Alpha-Piscium/releases/tag/1.6.5

Without multiple scattering approximation: With multiple scattering approximation:

Without multiple scattering approximation: With multiple scattering approximation:

Without multiple scattering approximation: With multiple scattering approximation:

Improvement

• Improved water parallax quality with secant search (which should fix the random lines on water waves)
• Improved water wave

New

• Added option for emissive particle

Improvement

• Better Fix for downward-facing reflection direction
• Tweaked water wave detail noise
• Tweaked water wave large scale curl
• Added PBR fallback for DH

Fix

• Fixed wave normal grid pattern artifacts
• Fixed epipolar scattering shadow vector setup
• Fixed random exploding water scattering
• Fixed Hi-Z SST max mip clamping
• Fixed shadow AABB detection when using DH
• Fixed TBN for DH translucents

Misc

• Removed garbage hf curl data

https://github.com/Luna5ama/Alpha-Piscium/releases/tag/1.6.3

Fix

• Fixed the malfunctioned environment probe reprojection caused by the wrong deferred pass name
• Fixed accidentally disabled water epipolar scattering shadow sampling

Fix

• Fixed distant horizon support
• Fixed AMD && bvec compilation error
• Fixed env probe not resetting on time change

https://github.com/Luna5ama/Alpha-Piscium/releases/tag/1.6.1