### What version of Tailwind CSS are you using? 2.1.1 ### What build tool (or framework if it abstracts the build tool) are you using? Next.js 10.1.3, @emotion 11.x, xwind 0.8.0 ### What version of Node.js are you using? v14.5.3 ### What browser are you using? Chrome ### What operating system are you using? macOs ### Reproduction repository https://github.com/Demetryi/TailwindJITBug ### Describe your issue When I start using mode: "jit" I get ```javascript" matchUtilities is not a function ``` error, removing jit no error. Looks like Xwind not updated and cannot use JIT mode in TailwindCSS please remove package.lock before installation.