test-repo/changelog_unreleased/javascript/17085.md

Add parentheses to SequenceExpression in ReturnStatement and ExpressionStatement (#17085 by @TYKevin)

// Input
function a() {
  return ( a, b)
}

(a(), b());

// Prettier stable
function a() {
  return a, b;
}

a(), b();

// Prettier main
function a() {
  return (a, b);
}

(a(), b());