Some new changes and fixes arrive from Kunos Simulazioni with Assetto Corsa Competizione Hotfix v1.5.5 released for the PC version of the game, and available now via Steam.
The most noticeable changes are all around penalties, and particularly how they are displayed in the UI, served during pitstops, and applied at the end of a race. So it should make it easier to understand what’s happened, and deal with it, without affecting other drivers or causing issues even when the race has finished.

Assetto Corsa Competizione Hotfix v1.5.5 Changelog:
Gameplay / Multiplayer:
- Time penalties issued by the race admin are now served on the next pitstop as per real life.
Opens up the possibility of “pitstop ballasts” in organized events with mandatory pitstops.
Time penalties that are not served will be added to the total time on session finish as before. - Server: fixed an issue with post-session state management in Multiplayer.
- Serveable penalties (DT, SG) are no longer forced into a to-serve state by default when the car is in the pitlane.
Avoids scenarios where cars can become compromised when receiving an admin penalty inside the pitlane or when already performing a pitstop. - Server: post-race time penalties are now applied to the final results on the session complete state.
NOTE: Final results are calculated when the last car on track crosses the finish line or when the “sessionOverTimeSeconds” phase is up.
NOTE: When post-race penalties are added to the car’s total time, the penalty labels on the leaderboard/standings turn from red to grey. - The severity of converted post-race time penalties is now track dependent to factor in longer pitlanes (e.g. at Spa).
- Server: detection of idle players so that the race complete state (and result generation) does not wait for the session overtime to be over if there are idle cars in the pitlane.
- Revised polesitter side on all tracks (both Singleplayer and Multiplayer).
- Fixed an issue at Monza where the pitlane status occasionally failed to disable on pit exit.
UI:
- Penalty labels: changed background color to grey on session complete state to signify that the penalty has been calculated in the time displayed.
- View Settings page: reduced step intervals and quicker timing for press-and-hold on position/pitch selectors.
- Career pages now use a static series logo independently from the active series selected in the Single Player menu.
- MFD/Setup UI now reliably shows the correct tyre data for all tyre sets used in Multiplayer driver swap scenarios even after non-driving clients dis-/reconnect.
- MFD pit strategy page will no longer autoselect the “Pitlimiter” row if the player already has that page selected before entering the pitlane. Avoids unintentional deactivation of pit limiter when modifying pit strategy upon entering the pitlane.
- Fixed MFD automatically jumping to pit page on pit exit if the player cycles to a different MFD page while still inside the pitlane.
Graphics:
- Various texture memory footprint optimizations.
- Fixed an issue with the dirt texture of the Lexus RC-F GT3.
- Fixed a graphical error on the Nissan GTR GT3 (both versions).
- Fixed incorrect blurred rim behavior on the Audi R8 LMS cars (both versions).
- Stationary cars in the pitlane will now become hidden when the player approaches them to facilitate visibility and car positioning with overlapping/stacked pit positions in Multiplayer.
Physics:
- Fixed currently active tyreset state resetting on forced pit speeding teleport in FP and Q sessions.
- Fixed erroneous behavior of combined ABS and pit limiter in certain situations.
You might need to restart or refresh your Steam client to start the download of the update for the PC version of Assetto Corsa Competizione. The console versions are on a slightly different schedule.
If you want to keep up with all the latest Assetto Corsa Competizione news and updates for PC and console editions, it’s all right here. Along with every piece of content available in our Assetto Corsa Competizione Car List, and Assetto Corsa Competizione Track List.
Assetto Corsa Competizione is available as a digital download for the PC via Steam, the Xbox One via the Microsoft Store and the PS4 via the PlayStation Store. Or as a physical edition from Game or Amazon.
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