What's Changed

Added z-index support across most recharts surfaces + a few other features, lots of fixes, and some doc updates 🚀

Feat

• Z Index! - You can now add a z index to many chart components to order the position of recharts elements as you wish, mimicking CSS z-index. Big shout out to @PavelVanecek in https://github.com/recharts/recharts/pull/6479
  • See the guide page - https://recharts.github.io/en-US/guide/zIndex/
• Line: add shape property to allow for custom shape implementations by @tarik02 in https://github.com/recharts/recharts/pull/6512
• Stacked Bar: improved stacked bar animations
• Sankey: support for left-aligned Sankey nodes via the align prop by @dbnl-renaud in https://github.com/recharts/recharts/pull/6568
• Sankey: support for top-aligned Sankey nodes via the verticalAlign prop by @dbnl-kat https://github.com/recharts/recharts/pull/6576
• Label: allow overwriting the textAnchor prop by @PavelVanecek in https://github.com/recharts/recharts/pull/6547

Fix

• Stacked Bar / Brush: fix bug in stacked bar charts with a brush where the brush would remove elements from the wrong side of the chart by @37108 in https://github.com/recharts/recharts/pull/6481
• Area: fix regression in Area event handlers where the events were not firing correctly by @PavelVanecek in https://github.com/recharts/recharts/pull/6507
• Funnel: fix Funnel margin calculations by @PavelVanecek in https://github.com/recharts/recharts/pull/6453
• Funnel: fix label position issues from previous release by @PavelVanecek in https://github.com/recharts/recharts/pull/6473
• Label/Text: correct Label and Text types to only what they can actually render by @PavelVanecek in https://github.com/recharts/recharts/pull/6467
• Misc: inline a few es-toolkit functions that were causing build errors by @daiboom in https://github.com/recharts/recharts/pull/6543
• Misc: remove circular dependency import that had potential to cause runtime errors by @ckifer in https://github.com/recharts/recharts/pull/6581

Chore

• Finished adding strict null checks and enabled strictNulls in TSConfig for good 🚀
  • by @PavelVanecek in https://github.com/recharts/recharts/pull/6497

Docs

Lots of changes in recharts.github.io

• Switch code editor to codemirror by @PavelVanecek in https://github.com/recharts/recharts/pull/6531
• Added/removed missing/stale properties where applicable from storybook and website
• Few layout/visual changes and fixes on the website
• Much more

New Contributors

• @37108 made their first contribution in https://github.com/recharts/recharts/pull/6481
• @tarik02 made their first contribution in https://github.com/recharts/recharts/pull/6512
• @dbnl-renaud made their first contribution in https://github.com/recharts/recharts/pull/6568
• @coderabbitai[bot] made their first contribution in https://github.com/recharts/recharts/pull/6538
• @dbnl-kat made their first contribution in https://github.com/recharts/recharts/pull/6576

Full Changelog: https://github.com/recharts/recharts/compare/v3.3.0...v3.4.0