Not exactly what you're looking for, but I love this extension which shows similar past threads. https://chromewebstore.google.com/detail/hnrelevant-related-st

Not exactly what you're looking for, but I love this extension which shows similar past threads. https://chromewebstore.google.com/detail/hnrelevant-related-storie/iajhnkeiioebplnbfkpnlnggkgblmoln https://chromewebstore.google.com/detail/hnrelevant-related-...