v4.0.0

v4.0.0 (2026-06-11)

🚀 Enhancements

• Add react@19 to peer dependencies of all packages #1889
• Upgrade d3-shape, d3-path to 3 #1960
• React 19 Support #1968
• refactor(deps): remove lodash package usage #2006
• Breaking: Require React 18 or 19 #2009

🐛 Bug Fix

• Add return type to withBoundingRects #1837
• fix(demo): fix delaunay-voronoi demo #1758
• Fix for stacked bars with a mix of strings and numbers in the x-axis #1884
• fix(xychart): remove console.debug message for overriding existing registry keys. fixes #1860 #1934
• React 19 Support #1968
• refactor(deps): remove lodash package usage #2006
• fix(release): republish alpha.12 as alpha.13 #2007
• fix(release): recover alpha.14 publish #2008
• Breaking: Require React 18 or 19 #2009
• Resolve Dependabot alerts #2010
• Resolve brace-expansion Dependabot alert #2011

💥 Breaking Changes

• Toolchain updates. Node 18, TypeScript 5, Next 13 #1938
• Remove prop-types #1953
• Upgrade to Yarn 4 #1954
• Upgrade d3-shape, d3-path to 3 #1960
• React 19 Support #1968
• Breaking: Require React 18 or 19 #2009

📝 Documentation

• docs: remove remix button from README usage section #1944
• refactor(deps): remove lodash package usage #2006
• fix(release): republish alpha.12 as alpha.13 #2007
• Breaking: Require React 18 or 19 #2009
• Resolve Dependabot alerts #2010
• Resolve brace-expansion Dependabot alert #2011

🏠 Internal

• Upgrade babel #1891
• internal: Remove Enzyme from visx #1893
• [workflows] Update actions/cache from v1 to v4.3.0 #1926
• internal(test): reorder expected output in combineBarStackData tests #1933
• internal(demo): update footer #1932
• perf(demo): lazy render example tiles #1896
• Migrate to vitest #1935
• fix(push): Update node version in GitHub Actions workflow #1936
• Toolchain updates. Node 18, TypeScript 5, Next 13 #1938
• demo: rm deps and update styles #1940
• fix(performLernaRelease): fix type error #1939
• fix: type errors in release scripts #1941
• feat: add documentation generation step to push workflow #1942
• fix: remove unused dependencies from package.json and yarn.lock #1943
• Remove jest #1945
• Node 20 #1946
• Migrate to jsdom #1947
• Upgrade to vitest 3 #1949
• Node 22 #1950
• Upgrade to vitest 4 #1951
• Upgrade to Next 14 #1952
• Upgrade to Yarn 4 #1954
• Remove Handlebars resolution #1955
• Remove node-fetch #1956
• Upgrade to react-markdown 9 #1957
• Fix push workflow #1958
• Remove markdown-loader #1959
• Fix Yarn peer dependency warnings #1961
• Update next.config.js #1962
• Update Lerna link in README.md #1963
• Update d3 dependencies to latest versions in demo #1965
• Add CNAME for custom domain #1966
• fix gh-pages deploy #1967
• React 19 Support #1968
• Cleanup Resolutions #1969
• Upgrade Lerna to v9 #1970
• OIDC trusted publishing #1971
• Fix release script #1972
• Add PR write permission for release comments #1973
• refactor(deps): remove lodash package usage #2006
• fix(release): republish alpha.12 as alpha.13 #2007
• fix(release): recover alpha.14 publish #2008
• Breaking: Require React 18 or 19 #2009
• Resolve Dependabot alerts #2010
• Resolve brace-expansion Dependabot alert #2011
• Throttle release GitHub requests #2014

Uncategorized

• Upgrade @testing-library/* dependencies #1890
• docs: add UCSF data library to In the wild #1899
• Fix typo in visx-tooltip readme #1920
• Docs: Fix link #1898
• fix(release): prerelease bump + reset alpha baseline to 4.0.0-alpha.0 #1990
• Fix: Node ESM compatibility for published esm/ output (#1976) #1991
• refactor(types)!: @types/react as optional peer dependency #1992
• build(deps): replace ts-node with tsx #1993
• Prevent tickFormat from receiving incorrect intermediate values on initial render #1979
• fix(xychart)!: tighten BaseAxis empty-data guard, add tests #1994
• fix(responsive): use callback ref in useParentSize to fix 0×0 stuck dimensions (#1816) #1995
• fix(responsive): prevent infinite height growth in flex/grid layouts (#881, #1014) #1996
• feat(responsive): support custom ref in useParentSize #1997
• fix(release): force-publish all packages during alpha releases #1998
• docs(readme): modernize README for v4 alpha #1999
• docs(migration): note broken alpha.10 and upcoming alpha.11 re-publish #2000
• visx 4 stable release #2012
• Fix stable release tag selection #2013

🏆 Contributors

• bycoffe
• chazcb
• darthmaim
• hshoff
• kelvin27315
• maflaven
• reganperkins
• tordans
• wildseansy
• williaster