Anyone else experience Sonnet 5 contrarianism issues?

Users are reporting that Claude (Sonnet 5) has developed a habit of disagreeing or "gently pushing back" on at least one point in conversations, even if it means being factually incorrect or creating a strawman argument. This behavior is described as a "strange compulsion" and is often accompanied by patronizing phrasing. This issue has reportedly become more frequent in recent weeks and months, contrasting with its previous behavior.

Unlike earlier versions, Claude Sonnet 5 now frequently insists on disagreeing or "gently pushing back" even if it has to be outright wrong or construct a strawman.