Since support for Java 7 is being removed with 1.2.0 the wiki will have to be updated to show the new requirement for Java 8.

These are the pages I saw that need to be updated:
https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Getting+Started+for+Developers
https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Installing+Java+7+SDK
https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Getting+Started+for+Users
https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Project+Tools
https://opensource.ncsa.illinois.edu/confluence/display/DFDL/Install+and+Configure+Cygwin+for+Windows