April 7, 2011 Patch
(Third Community Contribution Update
- The Private Eye was added to the game.
July 9, 2011 [Item schema update]
- The Private Eye can now be equipped by the Demoman.
July 12, 2011 [Item schema update]
- The Private Eye can now be equipped by the Medic.
July 18, 2011 Patch
- Updated The Private Eye so it can be equipped by the Medic and Demoman.
March 8, 2012 Patch
- [Undocumented] Added the Private Eye to the Eliminating The Impossible set.
April 1, 2014 Patch
- [Undocumented] Added Strange quality.