# Bradley Jones

+ ape unrooted layout
  - <https://github.com/YuLab-SMU/ggtree/pull/273>
+ `ggdensitree` function
  - <https://github.com/YuLab-SMU/ggtree/pull/253>
+ made data usable with treedata in 'equal_angle' and 'daylight' layouts 
  - <https://github.com/GuangchuangYu/ggtree/pull/201>

# Justin Silverman

+ `geom_balance`
	- <https://github.com/GuangchuangYu/ggtree/pull/64>

# JustGitting

+ Annotation functions (`geom_hilight_encircle` & `geom_cladelabel2`) for
  unrooted layout
  - <https://github.com/GuangchuangYu/ggtree/pull/152>
+ Add daylight layout for unrooted trees
  - <https://github.com/GuangchuangYu/ggtree/pull/124>

# Watal M. Iwasaki

+ Refactor layoutDaylight
  - <https://github.com/GuangchuangYu/ggtree/pull/165>
  - <https://github.com/GuangchuangYu/ggtree/pull/169>

# Ruizhu Huang

+ extend `gheatmap` to support collapsed nodes
  - <https://github.com/GuangchuangYu/ggtree/pull/243>