# ggtree 1.11.4 + re-implement collapse as collapse.ggtree method by importing dplyr::collapse generic to prevent function name collision (2018-01-03, Wed) + update treeVisualization vignette, with more layout examples added (2017-12-22, Fri) + update vignette (2017-12-21, Thu) - remove ggtreeUtilities.Rmd - merge treeAnnotation and advanceTreeAnnotation