# Changes to PostCSS Light Dark Function

### 3.0.1

_May 13, 2026_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`5.1.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#510) (minor)

### 3.0.0

_January 14, 2026_

- Updated: Support for Node `20.19.0` or later (major).
- Removed: `commonjs` API. In supported Node versions `require(esm)` will work without needing to make code changes.
- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#400) (major)
- Updated [`@csstools/utilities`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities) to [`3.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities/CHANGELOG.md#300) (major)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#400) (major)
- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`5.0.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#500) (major)

### 2.0.11

_September 21, 2025_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.2.1`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#421) (patch)

### 2.0.10

_August 22, 2025_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.2.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#420) (minor)

### 2.0.9

_May 27, 2025_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`3.0.4`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#304) (patch)
- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.1.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#410) (minor)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.5`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#305) (patch)

### 2.0.8

_April 19, 2025_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.0.1`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#401) (patch)

### 2.0.7

_November 1, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`3.0.3`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#303) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.4`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#304) (patch)

### 2.0.6

_October 23, 2024_

- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.3`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#303) (patch)

### 2.0.5

_October 10, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`3.0.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#302) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#302) (patch)

### 2.0.4

_September 22, 2024_

- Fix inherited fallback custom props when `preserve` is `false`

### 2.0.3

_September 22, 2024_

- Fix default behavior to be the `light` `color-scheme`
- Wrap inherited fallback custom props with `@supports not (color: light-dark(tan, tan))` to reduce the number of assigned props in a document.

### 2.0.2

_August 18, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`3.0.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#301) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#301) (patch)

### 2.0.1

_August 14, 2024_

- Smaller generated CSS.

### 2.0.0

_August 3, 2024_

- Updated: Support for Node v18+ (major).
- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`3.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#300) (major)
- Updated [`@csstools/utilities`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities) to [`2.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/utilities/CHANGELOG.md#200) (major)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`3.0.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#300) (major)
- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`4.0.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#400) (major)

### 1.0.8

_July 7, 2024_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`3.3.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#330) (minor)

### 1.0.7

_July 6, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`2.4.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#241) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.7.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#271) (patch)

### 1.0.6

_June 29, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`2.3.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#232) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.7.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#270) (minor)

### 1.0.5

_May 4, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`2.3.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#231) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.6.3`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#263) (patch)

### 1.0.4

_May 4, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`2.3.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#230) (minor)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.6.2`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#262) (patch)

### 1.0.3

_April 1, 2024_

- Fix `light-dark()` and `color-scheme` when using cascade layers

### 1.0.2

_March 31, 2024_

- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`3.2.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#320) (minor)

### 1.0.1

_March 13, 2024_

- Updated [`@csstools/css-tokenizer`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer) to [`2.2.4`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md#224) (patch)
- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`3.1.1`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#311) (patch)
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.6.1`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#261) (patch)

### 1.0.0

_February 19, 2024_

- Initial version
- Updated [`@csstools/css-parser-algorithms`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms) to [`2.6.0`](https://github.com/csstools/postcss-plugins/tree/main/packages/css-parser-algorithms/CHANGELOG.md#260) (minor)
- Updated [`@csstools/postcss-progressive-custom-properties`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties) to [`3.1.0`](https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-progressive-custom-properties/CHANGELOG.md#310) (minor)
