According to the change log the 8,173KB patch brings only stability fixes to the popular handheld first-person-shooter, a far cry from previous plans. In November of last year the developer detailed a loose timeline for future updates, the fifth of which was promised to contain two free multiplayer maps and an offline “Botzone” for players to enjoy while disconnected.
There may be a reason for the switch.
Exactly one week ago update 1.04 became available for Killzone Mercenary, and while it sought to improve various aspects of the game; many in the community have reported errors occurring after applying it.
It is unknown to us at this time whether or not 1.05 addresses these errors, however given how recently the previous patch was delivered; it seems likely that the developers sought to rectify a pressing issue with the game.
We will keep you updated as information is made available.