1.2.0
reverse axes for layouts, axes, labelSet
facet layout fixes (minModelBounds now modified)

1.2.1
labels
- rotation changed from Float64Array to (vec4 | quat | Float64Array)
- label set positionScaling fix
- label set support for multiple materials
ray tracing
- depth of field fix
- Beer-Lambert Law for dielectrics

1.2.2
layouts
- divide by zero fix for orders when only single item in buffer
ray tracing
- dielectric properties for fuzz, glossiness
- order buffer offset fix
- motion blur (positions only)

1.2.3
tables
- fix for filter to have min, max value of filter rather than table
layouts
- line fix for filtered tables
- cube, sheet getPositionXYZ functions
- stack getSize function
ray tracing
- exposure
- motion blur rotations
- background color uniform
- rays per frame
- createWorld async
- dielectric color converted to absorbance
- texture id added to unit vertex to support font for TransitionLabelSet and atlas for isotypes
force-directed graphs
- helper function
labels
- added TransitionLabelSet for animated label sets

1.2.4
ray tracing
- pipelines for color, hdr, depth, normal channels
- lighting refactor
- added restart function
layouts
- stack and stackTreeMap share base options interface

1.2.5
ray tracing
- pipelines for depth, normal channels avoid sub-pixel sampling

1.2.6
bug fixes
ray tracing
- auto depth normalization
- pipeline for edge detection, segmentation
- tiling support
- disk, ring unit types
- SDF borders

1.2.7
ray tracing
- use raw (un-normalized) depth when minDepth, maxDepth uniforms are equal
- No transparency for basic shader

1.2.8
bug fixes
basic shader
- background vec3 to vec4 for transparency
- ambient uniform, clamp diffuse for unit shaders
ray tracing
- pipelines for depth, normal, edge channels (no sub-pixel sampling)

1.3.0
bug fixes
unit vertex
- changed mat color from 8bit to 16bit for HDR
layouts
- added material properties
labels
- added material properties
colors
- renamed to ColorResources and changed to dictionary
- names changed to lower case
ray tracing
- ambientColor in config
- changed material specification to include material properties for each hittable directly, rather than reference a set of materials
- included idColor for hittable
- added tubeSdf UnitType
- added ground color, materials unavailable
- focusDistance offset from lookat

1.3.1
ray tracing
- fix for no lights
- ambient, background defaults

1.3.2
- stack layout materials