Nintendo patches Super Smash Bros. Ultimate to block Delay

Nintendo has released Patch 13.0.5 for Super Smash Bros. Ultimate, the first update since June 2025, which specifically addresses the Delay Mod used by competitive players to mitigate poor online netcode. The patch contains a single line change: "Fixed behavior that occurs when invalid data is sent or received in online battles." This update directly impacts players who rely on the Delay Mod to reduce lag during online matches, a tool developed to counteract Nintendo’s notoriously inconsistent internet performance on the Switch.

The Delay Mod improves online play by compensating for input delay, allowing smoother competitive experiences that more closely resemble LAN conditions. Without it, players report significant lag that disrupts timing and execution, making online practice less effective for tournament preparation. The mod gained traction after high-profile incidents, including a 2025 ban of top Snake player Hurt, who was accused of using the mod during a stream. Hurt later explained he used it only in private matches with acquaintances, and the footage in question came from an online match where he was matched with unspecified players.

Despite its utility, the Delay Mod violates Nintendo’s terms of service and is illegal under Japanese law, which prohibits console modding. This led to backlash within the community, including the doxxing of the mod’s creator, Bluejay, who subsequently halted development. Japanese players, fearing legal consequences, often avoid the mod, placing them at a disadvantage compared to international players who use it freely.

The patch has reignited debate over Nintendo’s approach to competitive Smash. Critics argue the company consistently prioritizes suppressing player-driven solutions over fixing underlying netcode issues. Past actions-such as canceled tournaments, cease and desist letters, and removing Super Smash Bros. Ultimate from Evo-have fueled skepticism about Nintendo’s commitment to the competitive scene. While some speculate the patch may also counter a Japanese cheat that disrupts opponents’ connections, the community widely views it as an effort to maintain control rather than improve player experience.

The article cites the original report from Esports Insider as its source. No further updates or statements from Nintendo regarding future netcode improvements were included in the source material.