E' disponibile per Grand Prix 4 ed i suoi predecessori, la nuova versione 3.83 dell'imperdibile utility GPxPatch (1,2MB), che con questa release porta con sè numerose novitàelencate di seguito. Per problemi o commenti utilizzate il forum dedicato.
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GPxSound: added 3D pit siren sound. GPxSound: added global event sound volume option. GPxSound: fixed "Use voice management" option (it was always interpreted as being checked). GPxLap: ATL: show fastest 3 cars in standings and first 3 cars in fastest lap standings. GPxLap: ATL: changed selection indicator. GPxLap: Log: added TyreManufacturer to Entry record (inserted it before the setup so check the version number if you used to read the setup). GPxLap: Log: added FuelLaps to Lap record. GPxCInfo: added a game time item. Useful for offline leagues with time limited races. GPxCInfo: added option to set the number of decimals for floating point items (e.g. gap front/behind and speed). GPxCInfo: image control Toggle mode also has an upper limit now (threshold range within which the other image will be shown). GPxCInfo: fixed F8 help item (thanks to Shuttle for reporting this bug). GPxCInfo: fixed Transpose mode of image control, which didn't map and scale the end position. GPxCInfo: fixed ctrl+9 clashing with ATL. Spanish translation of the dialogs updated by Jose Luis. French translation of the dialogs updated by lo2k