another 50 MB added to game..
Minimum patch size is 50 mb for technical reasons. It’s likely they stealth patched certain exploits, at least that’s what I hear through the grapevine.
You can check here for game updates: https://forum-en.gw2archive.eu/forum/info/news
Particularly in this case: https://forum-en.gw2archive.eu/forum/info/news/Game-Update-Notes-April-30-2013/first#post1990339
Everytime they patch, you can read the update notes in News and Announcements.
https://forum-en.gw2archive.eu/forum/info/news/Game-Update-Notes-April-30-2013/first#post1990339
If you scroll down, you can see each patch, and what was added, fixed, etc.
They also put them on the wiki
When a new build is released but nothing changes (a maintenance build) the game downloads 48 megs that is the size of the new executable for the new version, so usually when you see a download that size it’s because nothing changes.
In this particular case, though, what changed was that they fixed the lost and found items that were missins on some servers, most likely a server side change which is why nothing new was downloaded on the client side, other than the new version of the executable.
wrapped up in some crazy ritualist hoo-ha from Cantha.
A real grab bag of ‘you can’t hurt me. They’re called Guardians.
What Iocoman said.
Also, some players have noticed fragmentation of the dat file – see this reddit post on how to fix.
http://www.reddit.com/r/Guildwars2/comments/1dwnwz/defragging_and_gewgawsdat/