2012 Summer Olympics in the programme for the first time, and 36 women competed in three weight classes. There was a special dispensation for the shooting events, which would otherwise have been illegal under UK gun law. In tennis, mixed doubles returned to the Olympic programme for the first time since 1924. London's bid featured the same 28 sports that had been included in other recent Summer Olympics, but the IOC voted to drop baseball and softball from the 2012 Games just two days after London had been selected as the host city. There was an appeal, but the IOC voted to uphold
Brunei at the 2012 Summer Olympics they failed to meet the required qualifying times for their events. Mahusin was the flag bearer for the opening ceremony while Lim held it at the closing ceremony. All three athletes failed to advance beyond the heat stages of their respective events, but Mahusin and Lim achieved new national records in athletics and swimming. Although Brunei first participated in the Summer Olympics in the 1988 Summer Olympics in Seoul, South Korea, it was only represented by one official. It would not be until the 1996 Summer Olympics in Atlanta, United States that the country would send athletes to the Games.