Overview

• Version 20.5.0 went live on September 29, 2025 for both the original Switch and Switch 2.
• Official patch notes list only general system stability improvements with no new features.
• The update will auto-download, and users can install it immediately through system settings.
• Coverage notes the possibility of unlisted fixes, consistent with recent updates that quietly supported backward compatibility on Switch 2.
• Third-party trackers such as Switchbrew have observed internal sysmodule changes, which Nintendo has not described.