bug 420934 Engine fails during variable unification for convoluted pattern
bug 420935 Pattern validator trips on convoluted pattern with many == constraints
bug 417303 Query specification registry should give information on which extension point failed to load
bug 422775 Support "run once" query evaluation over non well-behaving derived features
bug 398828 Duplicate extension entries in plugin.xml
bug 420303 Make the invocation of XBaseEvaluator.init() conditional
bug 425735 Query explorer does not refresh match descriptions on model changes
bug 423298 Query is not entirely updated when resource is reloaded (bug fixed, issue not closed yet)
bug 428015 IncQuery builder unnecessarily runs multiple times
Viewers issues
label updates, viewer initialization, disposal
Compatibility issues
Due to changes in GEF4 Zest API, versions 0.1.0.201310190205 or later are used for the extra, Zest-based visualizations (not included in the main update site)
Other issues
Logger output for query-based features when query violates multiplicity contracts