- Sony claimed that all Firmware 2.35 did was "improve stability of some PS3 titles". Well, it turns out that the YouTube compatibility is one of those secret updates that occasionally make it unannounced into a PlayStation 3 firmware update.
The functionality was added via Version 2.35 of the firmware. At the moment, Mainichi Issyo
(the crazy cat game downloadable only on off the Japanese store) is the only title to do so.