4.0.0 (2026-01-29)

⚠ BREAKING CHANGES

• correctly compute distances for multiple cvd types

Features

• add setting to configure white point (e53f87d)
• allow specifying multiple colorspace regions (69a6bea)
• disable OpenMP on MSVC again (3fcaec2)
• enable OpenMP on MSVC too through llvm option (a955388)
• include windows arm binaries (9b329b1)
• use standard deb naming scheme (c9fad7b)
• web: support setting white point reference (b36fc29)

Bug Fixes

• cast to int for omp loop to fix windows builds (4d0e336)
• correctly compute distances for multiple cvd types (ba4f4f2)
• use correct include path (adb58f7)
• use correct path for fetchcontent (3ba0c12)
• use correct threads header (e22a8ba)
• use experimental openmp flag (020b983)
• use MSVC experimental llvm support (e9628b4)

Performance Improvements

• enable openmp on msvc (36d9cbf)
• parallelize matrix minima computations (fb8e602)

Reverts

• "ci: don't build package on arm64 ubuntu" (0b60005)

3.4.0 (2026-01-07)

Features

• add ENABLE_OPENMP flag for cmake (980e449)
• add deb and rpm packages to releases (813d0ac)

Bug Fixes

• correctly move MSVC compile definition after target (d125399)
• remove duplicate message entry in citation file (b55c867)
• set math defines for msvc builds (768c41d)
• use add_compile_definitions for MSVC (2e05e82)
• web: replace chicago style with harvard (46bfddc)

3.3.0 (2025-09-24)

Features

• cli: add --extend to support extending palettes (902f546)
• cli: honor --metric option in analyze subcommand (ee5166b)
• web: add controls to show colors simulated for CVD (9f8713d)
• web: use accordions to compact sidebar layout (039ef57)

Bug Fixes

• ensure CLI output ends with newline (3bfe0d4)
• use -n 2 in CLI example (f5afb8d)
• web: don't change hex codes when simulating cvd (a6f85d5)

3.2.0 (2025-08-19)

Features

• add string literal constructor for RGB colors (862f909)
• cli: change default metric to ciede2000 (2f85d0e)
• expand title and description (e58d2fc)
• web: round color difference values to integers (e6a88d5)

Bug Fixes

• docs: use correct math syntax (1882636)
• use rounding in rgb to hex color conversion (9d0f272)

3.1.0 (2025-08-15)

Features

• increase default number of points to 1000 (f941fd5)

Bug Fixes

• use check for hue (b7a5a67)

Performance Improvements

• web: compress and split css (c7f3fd3)

3.0.0 (2025-08-14)

⚠ BREAKING CHANGES

• set default metric in analyzePalette to CIEDE2000
• switch to CIEDE2000 as the default metric

Features

• allow hues from -360 to 360 in LCHab input (d734c01)
• set default metric in analyzePalette to CIEDE2000 (876ec88)
• switch to CIEDE2000 as the default metric (df530f5)
• web: add a button to clear input in fixed mode (617c7df)
• web: add a footer with copyright, citation, and about (fbf2da8)
• web: add additional web links (e3b933f)
• web: add alternative input type (8914453)
• web: add error if user wants more colors than there are fixed colors (23425db)
• web: add extend functionality to app (50d8fd4)
• web: add min distance section (c912fc4)
• web: add opengraph integration (686741c)
• web: add palette analysis section (ef5ac71)
• web: add user input assertions (50ca7ba)
• web: add web app (#34) (2276cfa)
• web: allow adding built-in palettes (2d76f4d)
• web: allow selecting background without optimizing for it (4b9d588)
• web: build sitemap (2877c74)
• web: change title (b04ca59)
• web: create better citation output (fa2428d)
• web: redesign footer and header (510b7b8)
• web: redesign responsiveness (3050095)
• web: replace list with bar chart for min distances (d49a7d8)
• web: support passing a background color (f09323a)
• web: update default settings for a better experience (f9c5566)
• web: update favicons (c1a1356)
• wep: add CVD options to web app (897046d)

Bug Fixes

• web: add missing og logo (65ad8f0)
• web: change publish dir (16fb2d0)
• web: correctly apply bg color in examples (79ccd21)
• web: correctly nullify palette selector (7f7981c)
• web: correctly scale rgb colors for palette analysis (a772ea9)
• web: fix background color computation for examples component (90e2fd9)
• web: fix hue wheel for mobile devices (fa188e8)
• web: fix palette analysis display for small screens (2a42245)
• web: fix some diagnostic warnings (af9eb8a)
• web: fix toast notifications (78c7e81)
• web: make modal scrollable (592f75d)
• web: move CVD section into if-clause (70d4fa4)
• web: use explicit z-index (82a1b49)
• web: use medium size for saturation (f7be1ba)

Performance Improvements

• web: bundle d3 and topojson, use local json (a0f0cc5)

2.4.0 (2025-07-28)

Features

• use std::size_t in place of int where appropriate (d22ed8b)

Bug Fixes

• correct some diagnostic warnings (fe3254c)

Performance Improvements

• avoid copy in farthestPoints() (3c853f6)

2.3.0 (2025-07-21)

Features

• colors: add default constructors for all colors (9aa605b)
• colors: add equality and inequality operators (8f8988c)
• colors: add LCHab color space (572cb11)
• core: add extend() to Qualpal (3f31208)
• support using LCHab as colorspace input (78ed8a8)

Bug Fixes

• clamp values in scaleToInterval() (29c837f)
• size r_c to be n_candidates long (5c7d636)
• use template instantiation to correctly grid in LCHab (f3aab33)

2.2.0 (2025-07-17)

Features

• add new function analyzePalette (15c9059)
• cli: add --colorize option to colorize output colors (bd93424)
• cli: add --output-delim option (7177008)

Bug Fixes

• cli: move use_color down (b3627bd)
• cli: move undefine for RGB (178d504)
• cli: undefine RGB on windows machines (cec457c)

2.1.0 (2025-07-16)

Features

• add additional palettes (cfd145a)
• cli: add subcommand to list available palettes (70c5741)