test-repo/changelog_unreleased/javascript/19263.md

Keep trailing comments inside the parentheses of a sequence or assignment expression (#19263 by @sarathfrancis90)

// Input
const x = (a, b, c /* comment */);
const y = (a = b /* comment */);

// Prettier stable
const x = (a, b, c) /* comment */;
const y = (a = b) /* comment */;

// Prettier main
const x = (a, b, c /* comment */);
const y = (a = b /* comment */);