Add changelog for #17435

Author: philipp-spiess

CHANGELOG.md

@@ -36,6 +36,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Disallow arbitrary values with top-level braces and semicolons as well as unbalanced parentheses and brackets ([#17361](https://github.com/tailwindlabs/tailwindcss/pull/17361))
 - Ensure the `--theme(…)` function still resolves to the CSS variables even when legacy JS plugins are enabled
 - Extract used CSS variables from `.css` files ([#17433](https://github.com/tailwindlabs/tailwindcss/pull/17433), [#17467](https://github.com/tailwindlabs/tailwindcss/pull/17467))
+- Improve compatibility with Safari 15 ([#17435](https://github.com/tailwindlabs/tailwindcss/pull/17435))
 
 ### Changed