Le Mans Ultimate’s Version 1.4.1.3 hotfix, released today (19th August 2026), reverses some of the contentious changes to the title’s netcode system in response to widespread criticism. Testing of the new system will continue during dedicated races, in the hope of refining it to the point where it could become the new default. ‘Netcode’, sim racing parlance for how a game reacts to proximity and car-to-car contact during online multiplayer, has long been a strong suit of Le Mans Ultimate, compared to its direct rivals. However, at the end of July in a Version 1.4 update, the systems used were swapped from Transmission Control Protocol (TCP) to “reliable UDP”. In theory, this was to avoid delays typically seen with TCP and, according to publisher Motorsport Games, “should be better suited to wheel-to-wheel racing and help us resolve some longer-term issues we’ve been experiencing.” That, ultimately, hasn’t been the case, with sporadic car oscillations and bizarre phantom contacts reported by the community. As of yesterday, at least two high-tier competitions that use Le Mans Ultimate paused their championships while the Studio 397 development team worked to fix issues (one of which is to do with brake cooling, and not netcode). It has been confirmed that the game will now “revert some changes to the network protocol for the game [back] to the previous versions found since launch.” “To clear up some confusion on the technical side, much of the game traffic is sent identically to before 1.4 [using TCP]. However, there does appear to be some interference in some situations with our latest change,” said Motorsport Games. Discussion 0 Comments Join the discussion Join Traxion.gg to start discussing with members. Already a member? Sign in