Changed the description of the bug. It's related to the addition of the customized world type.
I want to hear a third opinion whether this is intended or not.
only the caves (check the wiki), but i can check, what patches the error lies in between
Nothing changed in that world but the caves in deserts and Mesa biomes and the course of rivers. Only the caves were intended, so this is a bug.
The transferred .jar file is 116 bytes smaller than it should
Ok, it might be caused by my FTP program (I'm using FileZilla)
The transfered .jar-file is 116 bytes smaller than the original file
The effect is very small (only a single line of pixels) and only visible, if you're far away enough.