Post-processing Stack 2.0.0-Beta5

• Greatly improved CPU performances in the volume framework.
• Better handling of multi-editing in the editor.
• Added assembly definition files.
• Renamed "mobile optimized" fields to "fast mode".
• General platform compatibility improvements.
• Various fixes when working with scriptable render pipelines.
• Fixed a color banding bug when working in LDR in 2017.3.
• Fixed anamorphic bloom.
• Fixed broken layer masking & priority management.
• Fixed linear/srgb issues in the color grading editor in 2018.1+.

Post-processing Stack 2.0.0-Beta4

• Better XR support overall (WIP). Unity 2017.2 and later are recommended.
• Refactored MSVO for support in scriptable render pipelines.
• Fixed various bugs and platform compatibility issues.

Post-processing Stack 2.0.0-Beta3

• Added a first version of Screen-Space Reflections.
• Added VR support to Temporal Anti-aliasing (2017.3+ only).
• Added debug overlays & color blindness simulators (add the PostProcessDebug component to your scene to access them).
• Added support for HDR grading on platforms without compute/tex3d support
• Better version control integration (Perforce).
• Fixed various bugs and platform compatibility issues.

Post-processing Stack 2.0.0-Beta2

• Added a new ambient occlusion method: multi-scale volumetric obscurance.
• Added support for custom AO color.
• Added a NaN killer (enabled by default).
• Added an "anamorphic" setting to bloom.
• Added alpha-propagation to most effects to allow post-processing to render against a transparent background.
• Lens Dirt now keeps its aspect ratio.
• The package now automatically sets a global define (UNITY_POST_PROCESSING_STACK_V2) when it's imported (can be used to check if v2 is currently available in the project).
• Fixed various bugs and platform compatibility issues.

Full changelog.

Post-processing Stack 1.0.4

• Fixed NaNs with Screen-space Reflections.
• Fixed Depth of Field on very low end platforms without float texture support.
• Fixed flickering Ambient Occlusion with recent Nvidia drivers.

Post-processing Stack 2.0.0-Beta1

First public beta release.
Read the quickstart guide.

Post-processing Stack 1.0.3

• Changed the stack behavior with regards to depthTextureMode handling for better compatibility with other post-processing assets.
• Fixed a precision issue with color grading.
• Added the enable toggle back on Fog to allow custom fog effects in Deferred.
• Fixed color grading compatibility issues on low-end mobiles (quality will be downgraded on platforms without any proper floating point texture support).
• Fixed a DX9 issue with Depth of Field when working in Linear.
• Fixed a color banding bug in linear with some camera setups.

Post-processing Stack 1.0.2

• Bug fixes.
• Added temporal filtering to Depth of Field when Temporal Anti-aliasing is active.

Post-processing Stack 1.0.1

• Fixed Temporal Anti-aliasing on ShaderModel 5.0 compatible hardware not being correctly applied.
• Fixed Temporal Anti-aliasing not working correctly with transparent objects when FOV is changed dynamically.
• Reduced the number of shader variants (9216 -> 2592) for faster compilation times.
• Removed Round Vignette mode, it's now a toggle in Classic mode.
• Reworked the Fog to use settings from RenderSettings instead of overriding them.
• Reworked the Eye Adaptation UI a bit, and use proper units.