What’s new in styled-components 6.4?

Stable RSC, smarter caching (3.5x faster), React Native v4 support, CSP fixes, createTheme API, attrs typing upgrades.

Will styled-components 6.4 break my code?

Mostly no—incremental. Watch for non-serializable themes, inconsistent props (cache misses), server-unsafe components.

How to enable RSC in styled-components 6.4?

Import as usual, ensure server-safe code, use Next.js 14+ or equivalent. Test hydration parity.

Styled-Components 6.4 Ignites: Server-Side Speed and Smarter Styles Land Now

Boom—styled-components 6.4 just hit, shoving React Server Components into stable orbit and slashing style computation times. It's not just faster; it's the styling engine future React devs have craved.

theAIcatchup Apr 10, 2026 4 min read

⚡ Key Takeaways

Stable RSC slashes client JS, boosts TTI—but demands server-safe components. 𝕏
Caching delivers 3.5x speedups; consistent styles unlock max gains. 𝕏
createTheme unifies client/server theming, paving AI-gen style future. 𝕏

Published by

theAIcatchup

Ship faster. Build smarter.

#CSS-in-JS #React Native #React Server Components #performance optimization #styled-components

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Originally reported by dev.to

⚡ Key Takeaways

The 60-Second TL;DR

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