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The giant issues that stem from the current generation of consoles if that EACH time a developer wants to publish a new patch they are required to submit it through the hardware makers internal QA department. While this at first implies better quality overall what happened was up to two month wait times for game NOT published by AAA studios. A example of this being that a CoD patch would be pushed through in the length of a week while a lesser known and played game like Phantasy Star Universe was plagued with month plus wait times for the patch to reach players.
The entire process means it is quite expensive to publish patches on these platforms. The rumor going around is that on the PS4 and the next xbox developers will be able to self-publish patches due to the devices both having been built with the well established PC x86 architecture. Keep checking back for details on their rumors here at TheTechGame!
~ Source