Issues

• Option to enable pure function calls in dynamic defineVars calls.

  enhancement
  facebook/stylex#1929 · Filter by author tucsok007 opened on Oct 4, 2026
  1

• Option to give atomic classes their own prefix, separate from classNamePrefix

  facebook/stylex#1926 · Filter by author andrskr opened on Oct 3, 2026

• [Next.js/Turbopack][Windows] data-style-src path escaping causes hydration mismatch

  bug
  facebook/stylex#1924 · Filter by author lewisedc opened on Oct 1, 2026
  1

• [unplugin] Vite dev: CSS for a lazily loaded module is applied after the module has evaluated

  bug
  facebook/stylex#1919 · Filter by author tom-sherman opened on Sep 29, 2026
  2

• [unplugin] CSS-only change renames the CSS asset but not the chunk that references it

  facebook/stylex#1918 · Filter by author bjcgg opened on Sep 29, 2026

• Bun media query parser sometimes consumes EOF token as trailing syntax

  facebook/stylex#1916 · Filter by author schickling-assistant opened on Sep 29, 2026
  1

  

• [babel-plugin] firstThatWorks('var(--z)', 100) throws varName.startsWith is not a function

  facebook/stylex#1915 · Filter by author Om-singhaI opened on Sep 29, 2026

• [unplugin] Vite dev on Windows: runtime/CSS URLs built with path.join reach the browser as "\\virtual:…" and never load

  facebook/stylex#1913 · Filter by author DION-CL opened on Sep 28, 2026

• [unplugin] Vite dev: import walk calls this.load() on dependencies (react), deadlocking the cold-start dependency optimizer

  facebook/stylex#1912 · Filter by author DION-CL opened on Sep 28, 2026
  1

• Support boolean evaluation for media features like @media (prefers-reduced-motion)

  enhancement
  facebook/stylex#1909 · Filter by author chbybnwr opened on Sep 26, 2026
  1

  

• Transformed media queries leave gaps between breakpoints

  enhancement
  facebook/stylex#1908 · Filter by author chbybnwr opened on Sep 25, 2026
  1

• atProperty

  enhancement
  facebook/stylex#1900 · Filter by author chbybnwr opened on Sep 21, 2026

• @stylexjs/eslint-plugin More options for propLimits

  enhancement
  facebook/stylex#1893 · Filter by author ysulyma opened on Sep 17, 2026

• Vite CSS filename does not change after a StyleX-only edit with cssCodeSplit: false

  facebook/stylex#1889 · Filter by author skovhus opened on Sep 15, 2026

• Support CSS page bindings for named print pages

  facebook/stylex#1861 · Filter by author MattJDavidson opened on Sep 8, 2026
  1

  

• Mixed responsive/print property values emit a non-matching nested media-type condition

  facebook/stylex#1860 · Filter by author MattJDavidson opened on Sep 8, 2026

• Strict media range loses its excluded boundary in StyleX unplugin/Vite production CSS

  facebook/stylex#1859 · Filter by author MattJDavidson opened on Sep 8, 2026

• @stylexjs/unplugin Vite shared-store timer survives Vitest shutdown without httpServer

  facebook/stylex#1857 · Filter by author MattJDavidson opened on Sep 8, 2026

• Port ESLint plugin to Biome

  enhancement
  facebook/stylex#1852 · Filter by author ysulyma opened on Sep 8, 2026
  1

• [docs] Add a CSS Modules to StyleX migration playbook

  enhancement
  facebook/stylex#1810 · Filter by author ahmedsadid opened on Aug 15, 2026

• Partial style merging

  enhancement
  facebook/stylex#1803 · Filter by author chbybnwr opened on Aug 11, 2026
  2

• Container query order is not preserved.

  bug
  facebook/stylex#1798 · Filter by author chbybnwr opened on Aug 6, 2026
  1

• [unplugin] Internal Babel pass discovers root babel.config.* — no opt-out

  facebook/stylex#1792 · Filter by author jonreading81 opened on Aug 3, 2026

• Add support for Babel 8

  enhancement
  facebook/stylex#1790 · Filter by author Dwlad90 opened on Aug 1, 2026

• :active state not being triggered along with "@media (hover: hover)": usage

  bug
  facebook/stylex#1788 · Filter by author alexcarpenter opened on Jul 29, 2026
  2