test-repo/changelog_unreleased/javascript/14082.md

Fix formatting for comments inside JSX attribute (#14082 with by @fisker)

// Input
function MyFunctionComponent() {
  <button label=/*old*/"new">button</button>
}

// Prettier stable
Error: Comment "old" was not printed. Please report this error!

// Prettier main
function MyFunctionComponent() {
  <button label=/*old*/ "new">button</button>;
}