The primary goal of Patch #12 is to resolve a frustrating issue within the system:
The primary fix addressed a major bug where, after successfully completing an R&D objective, the resulting upgrade was not applied to the player's car. Previously, this forced players to repeat the same objective at a subsequent race weekend, stalling career progression. F1 2012 Update 12 Patch 1.3.3.0
Despite earlier indications that Patch #11 would be the last, Codemasters released one final update to address a specific, frustrating issue. The primary and sole fix of Update 12 targeted a bug in the career mode's Research and Development (R&D) system. Specifically, the patch corrected an issue where “after completing an R&D objective the upgrade was not applied to the car and the same objective would have to be completed again at a subsequent race weekend”. The primary goal of Patch #12 is to
Updating to Patch 1.3.3.0 is a straightforward process. Here's how to do it: The primary and sole fix of Update 12