The following ideas are being thought about, when a developer actually makes a branch they will be sorted under their expected release.
JAI for Features
Correctly project and draw world datasets
Use the same 1D/2D/3D geometric objects as basis for both 2D and 3D rendering (Java2D/Java3D/other?)
A proposal for a topology framework which could bind FM and JTS in both uDIG and GeoServer environments
One of the UCOSP Project teams' project is to add support for Ingres database to Geotools