Features
- Meta Nodes, Phase 2
 - Generic Plugin-state saving
 - Attribute Based Layout
 - Multi-colored nodes
 - Better hide/show for edges/ nodes
 - Real-time vizmapper update
 - KEGG Reader / Reaction node + editor
 - Expression Matrix reader for more data formats (MIAME)
 - Interactive Slider Widget
 - Visual Legend automatic generator
 - Standardize context menus for nodes/edges
 - Network specific node and edge attributes
 - Generic Preference System and inteligent UI for the new preference data structure
 - Complex object (tree, map, etc.) viewer in Attribute Browser
 Cytoscape Theme (Skin)
Logging system (maybe [http://jakarta.apache.org/commons/logging/ Commons Logging]?), instead of using tons of System.out.print
New BioDataServer to fully support entries in OBO and Gene Asociation file.
- Headless mode, Phase 2 (Web Service?)
 
Refactoring / Design Issues
Migration to [http://java.sun.com/j2se/1.5.0/index.jsp Java version 5] and lib directory cleanup (especially XML-related files)
New GraphObject class; for nodes/edges
Define Invisible CyAttributes (CyAttributes which is not shown on the Browser. Used internally)
- Performance tuning for save/load huge sessions
 - Formalize what goes in the core
 - Improving / Refactoring Event Model
 - Remove the "GO Level" idea from Gene Ontology Server
 Expression Matrix must use CyAttribute instead of redundant data structure.
- Unit tests/swing unit tests + more automated build system that includes building of plugins.