[b] 19/05/2016 [/b] In response to your important feedback, today we have released an update to Train Simulator to improve the .ap archive format, details of which can be found below. We have made improvements to the efficiency of our .ap archives within Train Simulator, this will resolve the display of non-English languages for addons packaged in the .ap archive format and resolve the issue of addons disappearing from the front end menu as a result of having too many .ap archives cached at any one time. The Train Simulator 56.4b update will download automatically from Steam. If you have any problems/queries with regard to the update, leave a comment below or submit a ticket to our support site where our Support Team will be ready to assist. The Train Simulator 56.4b update will be approximately 33.5 MB in size.