<!--

# TODO LIST


+ TreeAndLeaf layout: <https://www.bioconductor.org/packages/TreeAndLeaf>
+ `phylogeography`
  - <https://stackoverflow.com/questions/68668788/phylogeography-how-to-combine-phylogenetic-tree-and-geographic-map-and-create>
+ visualize support values obtained from different methods
  - <https://github.com/YuLab-SMU/ggtree/issues/451>
+ `height` parameter to `collapse()`
  - <https://github.com/YuLab-SMU/ggtree/issues/409#issuecomment-944034311>
+ rewrite `revts` to `scale_revts`
+ `inset` and relative functions support circular layout
+ tanglegram support
  - <https://yulab-smu.top/treedata-book/chapter2.html#ggtree-fortify>
  - <https://www.rdocumentation.org/packages/phytools/versions/0.7-70/topics/cophylo> 
+ `fortify` method for `phyloseq` object should return a tidy data.frame
  - maybe we can defined another object (inherited from treedata?) and provide converter for `phyloseq`
+ The `daylight` algorithm is quite slow compare to `ggraph` and needs to  be optimized
  - <https://github.com/thomasp85/ggraph/commit/14de66f1225336179b4598cb42a4beda95682211>

-->

# ggtree 4.0.1

+ bug fixed in `geom_striplab` (2025-10-30, Thu, #677)

# ggtree 4.0.0

+ Bioconductor RELEASE_3_22 (2025-10-30, Thu)

# ggtree 3.99.2

+ update `gheatmap`, `geom_range` and `msaplot` to compatible with ggplot2 v=4.0.0 (2025-10-16, Thu, #668, #672, #674)
+ interactive ggtree (2025-09-16, #662)
  - incorporated iggtree, <https://github.com/YuLab-SMU/iggtree>
+ Added support for XStringSet in msaplot (2027-07-13, Sun, #631)

# ggtree 3.17.1

+ consistent with ggplot2 v=4.0.0 (2025-07-12, Sat, #657)

# ggtree 3.16.0

+ Bioconductor RELEASE_3_21 (2025-04-17, Thu)

# ggtree 3.14.0

+ Bioconductor RELEASE_3_20 (2024-10-30, Wed)

# ggtree 3.13.2

+ mv `td_filter()`, `td_unnest()` and `td_mutate()` to 'ggfun' package (2024-10-24, Thu)

# ggtree 3.13.1

+ layout argument can be a function to re-calculate the coord of nodes (2024-07-27, Sat, #622)
  - `layout.params = list(as.graph=TRUE)` (by default) for converting the tree to a graph tree (igraph object), so that graph layout can be directly applied to visualize a tree
  - otherwise, the function can assume the input tree as a `phylo` or `treedata` object
+ use `yulab.utils::yulab_msg()` for startup message (2024-07-26, Fri)
+ mv `%<+%` operator to 'ggfun' (2024-05-28, Tue)

# ggtree 3.12.0

+ Bioconductor RELEASE_3_19 (2024-05-14, Tue)


# ggtree 3.11.2

+ expose 'position'  parameter for `geom_range()` (2024-04-07, Sun, #611)

# ggtree 3.11.1

+ copy `rect_to_poly()` from ggplot2 to make it compatible with ggplot2 3.5.0 (2024-02-13, Tue)

# ggtree 3.10.0

+ Bioconductor RELEASE_3_18 (2023-10-25, Wed)

# ggtree 3.9.1

+ use `rlang::check_installed()` to check whether the suggested pkg is installed (2023-08-11, Fri, #580)
+ allows using `linewidth` parameter (synonyms for `size`) in `ggtree()` (2023-07-15, Sat, #574)
+ bug fixed in setting `branch.length = "none"` to plot 'hclust' object (2023-07-15, Sat, #574)

# ggtree 3.8.0

+ Bioconductor RELEASE_3_17 (2023-05-03, Wed)

# ggtree 3.7.2

+ `ggtree()` supports 'dendro' object (`ggdendro::dendro_data()` output) (2023-03-02, Thu)
+ update `theme_dendrogram()` to use `ggfun::theme_noxaxis()` (2022-11-21, Mon)
+ using `cli::cli_alert_warning()` instead of `warning_wrap` (2022-11-10, Thu)

# ggtree 3.7.1

+ compatible with ggplot2 v=3.4.0 (2022-11-07, Mon)
+ allows setting `options(clade_align = TRUE)` to align `geom_hilight()` layer and allows setting `options(clade_width_extend = 0.35)` to set the amount the width extension (in y-axis) of `geom_hilight()`. These two features is designed for `ggtreeDendro::geom_rect_subtree()` layer (2022-11-06, Sun)

# ggtree 3.6.0

+ Bioconductor RELEASE_3_16 (2022-11-02, Wed)

# ggtree 3.5.3

+ add new citation (the iMeta 2022 paper) (2022-09-26, Mon)
+ move `scale_color_subtree()` to the 'ggtreeDendro' package (2022-09-23, Fri)
+ update `fortify` method for `pvclust` object (2022-08-15, Mon)
+ add citation of the tree data book (2022-08-13, Sat)

# ggtree 3.5.2

+ `scale_color_subtree()` now supports passing a numeric value and internally it will call `cutree(tree, k)` (2022-08-11, Thu)
+ support 'linkage' class defined in the 'mdendro' package (2022-08-11, Thu)
+ clone the plot environment before assigning layout (2022-07-19, Tue, #516)
+ bug fixed in 'equal_angle' layout (2022-07-08, Fri, #514)
+ optimize `geom_tiplab` to better compatible with dendrogram layout (2022-06-23, Thu, #508)

# ggtree 3.5.1

+ `as.phylo.hclust2` to correct edge length as displayed in `stats:::plot.hclust` (2022-06-21, Tue)
+ add outline to nodepies (2022-06-20, Mon, #506)
+ new 'slanted' layout for `branch.length = 'none'` (2022-04-29, Fri, #497)
    - only works for Cartesian coordination, that means it will not work for `layout = 'radial'`

# ggtree 3.4.0

+ Bioconductor 3.15 release (2022-04-28, Thu)

# ggtree 3.3.3

+ `geom_striplab()` that supports `aes()` mapping (2022-04-22, Fri, #493)
+ `to.bottom` parameter introduced in `geom_hilight()` to allow the highlight layer was added into the lowest layer stack (2022-04-22, Fri, #492)

# ggtree 3.3.2

+ mv `identify()` method to 'ggfun' (2022-04-01, Fri)
+ update `identify.gg()` to support 'ggplot' object and `+xlim()` 
+ update man files (2022-03-23, Wed, #489)

# ggtree 3.3.1
  
+ use graph layouts to visualize tree (2021-12-10, Fri, #460, #461)
  - igraph layout 
  - graphlayouts: <https://cran.r-project.org/web/packages/graphlayouts/index.html>
+ `scale_color_subtree` and `scale_colour_subtree` to color subtree via taxa group information (e.g., cutree, or kmeans) (2021-12-01, Wed)
+ set `na.value = 'white'` in `msaplot()` (2021-10-29, Fri)

# ggtree 3.2.0

+ Bioconductor 3.14 release

# ggtree 3.1.6

+ `geom_cladelab` now supports extend parameter as in `geom_cladelabel` (2021-10-14, Thu, @xiangpin, #446)
+ `geom_hilight` supports fill linear gradient colour and round rect background (2021-10-11, Mon; @xiangpin, #449, #444)
+ work with negative edge lengths (`hclust` may generate negative tree heights) (2021-09-29, Wed; @xiangpin, #441, #445)

# ggtree 3.1.5

+ `ggdensitree` with `align.tips=TRUE` sets max x to 0 (2021-09-26, Sun; @brj1, #437, #439)
+ custom column headers for `gheatmap` (2021-09-15, Wed, @matt-sd-watson, #434)
+ bug fixed of `nudge_x` parameter in `geom_segment2` (2021-09-03, Fri; @xiangpin, #433)

# ggtree 3.1.4

+ introduce `align` parameter in `geom_hilight` (2021-08-30, Mon; @xiangpin, #431)
+ the `data` parameter in `geom_facet` now accepts function as input (2021-08-22, Sun; @xiangpin, #430)
+ import `ggfun` and `yulab.utils` (2021-08-20, Fri)
+ allow using `options(layout.radial.linetype)` to set linetype of radial layout (either 'strainght' or 'curved') (2021-08-13, Fri; @xiangpin, #427)

# ggtree 3.1.3

+ `data` argument in `geom_tiplab` and `position` argument in `geom_tree` (2021-08-10, Tue; #426, @xiangpin)
+ `geom_hilight` and `geom_cladelab` supports function as input data (2021-07-28, Wed; #421, @xiangpin)
+ `td_mutate` for mutating tree data
+ `geom_tiplab` supports fontface aesthetic (2021-07-06, Tue; @xiangpin)

# ggtree 3.1.2

+ calculate branch mid point for unrooted layout tree (2021-06-11, Fri)
  - `branch.y` and `branch.x`
+ `geom_range` supports aes mapping (2021-06-04, Fri)

# ggtree 3.1.1

+ bug fixed in `geom_range` (2021-06-01, Tue)
  - <https://github.com/YuLab-SMU/ggtree/pull/410>
+ now `geom_nodelab` has a `node="internal"` parameter. (2021-05-31, Mon)
  - if `node = "external"`, it equivalent to `geom_tiplab
  - if `node = "all"`, it equivalent to `list(geom_tiplab(), geom_nodelab())`

# ggtree 3.0.0

+ Bioconductor 3.13 relese

# ggtree 2.5.3

+ optimize text angle in `geom_cladelab` (2021-05-10, Mon)
  - <https://github.com/YuLab-SMU/ggtree/pull/396>

# ggtree 2.5.2

+ extend 'continuous' parameter to support 4 possible values, i.e., 'none' to disable continuous transition,  'color' (or 'colour') to enable continuous color transition, 'size' to enable continuous size (branch thickness) transition and 'all' to enable continuous color and size transition (2021-04-07, Wed)
  - <https://github.com/YuLab-SMU/ggtree/pull/385>
  - <https://github.com/YuLab-SMU/ggtree/pull/387>
+ `extendto` argument for `geom_hilight` now compatible with 'inward_circular' and 'dendrogram' layouts (2021-02-25, Thu)
  - <https://github.com/YuLab-SMU/ggtree/pull/379>

# ggtree 2.5.1

+ update man file of `geom_rootpoint` (2021-01-08, Fri)
+ `label` and `offset.label` introduced in `geom_treescale` layer (2020-12-23, Wed)
  - <https://github.com/YuLab-SMU/ggtree/pull/360>
+ `geom_rootedge` supports reversed x (2020-12-17, Thu)
  - <https://github.com/YuLab-SMU/ggtree/pull/358>
+ `geom_nodelab()` now supports circular layout (2020-11-26, Thu)
  - <https://github.com/YuLab-SMU/ggtree/issues/352>
  - <https://github.com/YuLab-SMU/ggtree/pull/353>
+ branch size can be grandualy changed (2020-10-29, Thu)
  - <https://github.com/YuLab-SMU/ggtree/pull/349>

# ggtree 2.4.0

+ Bioconductor 3.12 release (2020-10-28, Wed)

# ggtree 2.3.7

+ add `label_pad()` function to add padding characters to taxa labels (2020-10-09, Fri)
  - <https://groups.google.com/g/bioc-ggtree/c/INJ0Nfkq3b0/m/lXefnfV5AQAJ>
+ add `family` parameter to `geom_tiplab()` 

# ggtree 2.3.6

+ new layouts, `roundrect` and `ellipse`
  - <https://github.com/YuLab-SMU/ggtree/pull/344>
  - <https://github.com/YuLab-SMU/ggtree/pull/346>
+ `fortify()` method for `treedataList` object (2020-09-20, Sun)
+ `vexpand()` and `ggexpand()` to expand plot limit by ratio of plot range (2020-09-18, Fri) 
+ `geom_cladelab()`, an updated version of `geom_cladelabel` that supports aes mapping (2020-09-17, Thu)
  - <https://github.com/YuLab-SMU/ggtree/pull/342>

# ggtree 2.3.5

+ `td_unnest()` which return a function to flatten ggtree plot data (2020-09-14, Mon)
  - <https://yulab-smu.top/treedata-book/chapter12.html#td_unnest>
+ update `geom_hilight` to support `geom_hilight(data = mydata, node = selected_node)` (2020-09-03, Thu)
+ Defunct `geom_nodelab2()` (2020-09-02, Wed)
+ `geom_tiplab()` and `geom_nodelab()` support `geom = "shadowtext"` 
+ `td_filter()` which return a function to subset ggtree plot data in geom layers (2020-08-29, Sat)
  - <https://yulab-smu.top/treedata-book/chapter12.html#td_filter>
+ update man files of `geom_rootedge` and `geom_point2`
+ update `geom_hilight` to support `geom_hilight(data = tbl_tree, node = selected_node)`. (2020-09-03, Thu)

# ggtree 2.3.4

+ `zoomClade` and `geom_zoom_clade` to zoom in selected clade (2020-08-04, Tue)
  - these two functions are wrapper function of `ggforce::facet_zoom`
+ update `facet_labeller` according to the change of `ggplot2` (2020-07-28, Tue)
+ defunct `set_hilight_legend` as now `geom_hilight` supports aesthetic mapping and can generate legend automotically 
+ remove `annotation_image`, `phylopic` and `subview` as they were defunct for quite a long time. Users should refer to the `ggimage` package if they want to annotate tree with image or subplots.
+ `as_ylab` parameter added in `geom_tiplab()`, which supports displaying tip labels as y-axis label and only works for rectangular and dendrogram layouts 
+ `hexpand` to expand x limits by ratio of x range and supports both direction (1 for rhs and -1 for lhs) (2020-07-27, Mon)

# ggtree 2.3.3

+ add `type` parameter in `geom_hilight`, default is `auto`, optional `rect` 
  to `rectangular` layer, `encircle` to `encircle` layer and comment original 
  `geom_hilight`, and support `subset` in aesthetic. (2020-07-23, Thu)
+ update `geom_hilight` to support aesthetic mapping (2020-07-22, Wed)
+ update `geom_taxalink` to support aesthetic mapping (2020-07-20, Mon)
+ `layout_inward_circular` for `layout_circular() + scale_x_reverse()` (2020-07-16, Thu)

# ggtree 2.3.2

+ update `geom_taxalink` to support circular layout tree (2020-07-13, Mon).

# ggtree 2.3.1

+ `fortify` method for `pvclust` object (2020-06-21, Mon)
+ add dot parameters for color or size of `geom_hilight` and more detail messages of
  warnings for `extendto`. (2020-06-16, Tue)
+ modified the angle of clade labels. Added horizontal parameter to control
  whether set clade labels to horizontal. When the parameter was set to `FALSE`, 
  it will be useful for the layouts in `coord_polar`, such as `circular`, `fan`,
  `radial`. To better view the clade labels, their angles has been adjusted. (2020-06-15, Mon)
+ bug fixed in `getYcoord_scale_category` (2020-05-13, Wed)

# ggtree 2.2.0

+ Bioconductor 3.11 release

# ggtree 2.1.6

+ Now `geom_tiplab()` works with unrooted layouts (`ape`, `equal_angle` and `daylight`) (2020-04-23, Thu)
  - <https://github.com/YuLab-SMU/ggtree/issues/292>
+ bug fixed of `layoutEqualAngle` (2020-04-09, Thu)
  - in tibble v=3.0.0, df$x = NA will store df$x as lgl variable and assign numeric value to df$x will throw error. Now change to df$x = 0 in `layoutEqualAngle`. 

# ggtree 2.1.5

+ bug fixed of calculating inset width and height
  - <https://github.com/YuLab-SMU/ggtree/issues/289>

# ggtree 2.1.4

+ import `aplot::xrange` 

# ggtree 2.1.3

+ move `xlim2` and `ylim2` to aplot package (2020-03-30, Mon)
  - <https://cran.r-project.org/package=aplot>
+ remove `mutate_` as it was deprecated in dplyr (2020-03-25, Wed)
+ fixed mutate bug caused by new version of dplyr and tidytree in daylight layout (2020-03-16, Mon)
  - <https://github.com/YuLab-SMU/ggtree/issues/282>

# ggtree 2.1.2

+ `expand_scale` was deprecated in ggplot2 v=3.3.0, import `expansion` instead (2020-03-12, Thu)
+ bug fixed of determined layout for `ggplot(tree) + geom_tiplab()` (2020-01-26, Sun)
  - <https://github.com/YuLab-SMU/ggtree/issues/272>
+ set unrooted layout to use `coord_fixed` by default (2020-01-25, Sat)
+ if `layout = "ape"`, use ape unrooted layout 
  - <https://github.com/YuLab-SMU/ggtree/pull/273>

# ggtree 2.1.1

+ export `geom_highlight` as an alias of `geom_hilight` (2020-01-08, Wed)
+ set `clip="off"` for all layouts (2019-12-06, Fri)
+ not passing `fontface` if `geom` is `image` or `phylopic` in `geom_tiplab` and `geom_nodelab` (2019-11-29, Fri)
+ import and re-export `guide_legend`, `scale_colour_manual`, `scale_color_manual`, `scale_fill_manual` and `margin` from `ggplot2`
+ `offspring` method for `ggtree` object (2019-11-21, Thu)
+ fixed `revts` to work with `collapse` (2019-11-18, Mon)
+ convert roxygen documents using markdown (2019-11-01, Fri)
+ extend `xlim2` and `ylim2` to support discrete scale.
+ `xlim2` and `ylim2` to uniformize axis limits of ggplot objects (2019-10-31, Thu)
  - <https://yulab-smu.github.io/treedata-book/chapter7.html#composite_plot>
  - <https://yulab-smu.github.io/treedata-book/docs/chapter10.html#axis_align>
+ fixed `fontface` warning message when `align=TRUE` in `geom_tiplab` (2019-10-30, Wed)
  - <https://github.com/YuLab-SMU/ggtree/issues/260>

# ggtree 2.0.0

+ Bioconductor 3.10 release (2019-10-30, Wed)

# ggtree 1.99.1

+ bug fixed of `geom_hilight` for `tree$edge.length = NULL` (2019-10-16, Wed)
  - <https://groups.google.com/d/msg/bioc-ggtree/GULj-eoAluI/Llpm-HbfCwAJ>
+ `fortify` method for igraph (only work with tree graph) (2019-09-28, Sat)
+ `ggdensitree` (2019-09-11, Wed)
  - <https://github.com/YuLab-SMU/ggtree/pull/253>
  - <https://github.com/YuLab-SMU/ggtree/pull/255> 
  - <https://yulab-smu.github.io/treedata-book/chapter4.html#visualize-a-list-of-trees>

# ggtree 1.99.0

+ prepare for ggtree v=2.0.0

# ggtree 1.17.5

+ `fortify` methods for hierarchical clustering objects, including `agnes`, `diana` and `twins` (2019-08-30, Fri) 
+ now `geom_hilight` supports `unrooted` and `daylight` layouts (2019-08-28, Wed)
  - by calling `geom_hilight_encircle`
+ update `geom_motif` according to the change of `gggenes` and allow labeling genes (2019-08-27, Tue)
  - <https://yulab-smu.github.io/treedata-book/chapter11.html#genome-locus>
+ re-implement `geom_strip` with more robust support of labelling strip, either input taxa using name or id.
+ support `phylog` defined in ade4 package (2019-08-14, Wed)
  - <https://yulab-smu.github.io/treedata-book/chapter9.html#phylog>

# ggtree 1.17.4

+ now `geom_cladelabel` supports `unrooted` and `daylight` layouts (2019-08-14, Wed)
  - by integrating `geom_cladelabel2`
+ defined `nodelab` method for ggtree to convert node number to label (2019-08-09, Fir)
+ redefined `nodeid` as S3 generic in `tidytree` v=0.2.6 
  - change the original function as a method for ggtree
  - move the `nodeid` function for tree object to treeio
+ defunct `gzoom` function
+ introduce `rootnode` parameter in `geom_tree` with default = TRUE and behave as previous version (2019-08-08, Thu)
  - the invisible root to itself line segment have advantage for the number of line segments is consistent with the number of nodes. 
  - if `rootnode = FALSE`, there will be no line segment of root to itself.
+ extend `gheatmap` to support collapsed node (2019-08-06, Tue)
  - <https://github.com/GuangchuangYu/ggtree/pull/243>
+ support `hclust` and `dendrogram` (2019-07-31, Wed)

# ggtree 1.17.3

+ remove re-export treeio parser function, user now need to load treeio explictly (2019-07-24, Wed) 
+ export `layout_circular`, `layout_fan` and `layout_rectangular`
+ `layout_dendrogram` and `theme_dendrogram` 
  - <https://yulab-smu.github.io/treedata-book/chapter10.html#dendrogram>
+ `scale_x_range` for adding second x-axis for `geom_range` (2019-07-23, Tue)
+ change `branch.length` parameter to `center` for `geom_range`

# ggtree 1.17.2

+ extend `expand` according to the change of `collapse` (2019-07-11, Thu)
+ `mode` parameter in `collapse`
+ `geom_tiplab` now works with 'circular' and 'fan' layouts (2019-07-05, Fri)
+ `geom_inset` for adding subplots to specific nodes (see also the `inset` function introduced in v=1.3.8)

# ggtree 1.17.1

+ `facet_data` to extract data used in `facet_plot` or `geom_facet` (2019-07-02, Tue)
+ `continuous` parameter in `geom_tree` to to continuous color edge from parent to child (2019-09-25, Tue)
  - <https://yulab-smu.github.io/treedata-book/chapter4.html#color-tree>
+ `root.position` parameter for `fortify` and `ggtree` (2019-05-27, Mon)
+ `geom_facet`, a geom layer version of `facet_plot` (2019-05-23, Thu)
+ update `scale_x_ggtree`, now we can use `gheatmap() + scale_x_ggtree()` (2019-05-22, Wed)
+ extend `xlim_expand` to work with `ggplot2` (2019-05-20, Tue)
  - <https://yulab-smu.github.io/treedata-book/chapter9.html#xlim_expand>
+ add `legend_title` variable in `gheatmap` (2019-05-16, Thu)

# ggtree 1.16.0

+ Bioconductor 3.9 release

# ggtree 1.15.6

+ compatible with range is NULL in `geom_range` (2019-04-27, Sat)
  - <https://groups.google.com/d/msg/bioc-ggtree/yNzjtioVVGU/MCh3MPl_CwAJ>
+ remove `getChild`, `getChild.df`, `getParent`, `getParent.df`, `getSibling`, `getAncestor` and `getAncestor.df`,
  instead use `child`, `parent`, `sibling` and `ancestor` methods implemented in `tidytree` and `treeio` (2019-01-30, Wed)
+ remove `get.offspring.df` and `get.offspring.tip` and instead use `tidytree::offspring` (2019-01-28, Mon)
+ `facet_widths` function to set relative widths of facet panels (2019-01-28, Mon)
  - the output is `ggplotify::as.ggplot(grid_object)`, so it is not the original `ggtree` object.

# ggtree 1.15.5

+ bug fixed of `theme_tree2` (2019-01-14, Mon)
  - <https://github.com/GuangchuangYu/ggtree/issues/218>  
+ mv `rescale_tree` to `treeio` (2019-01-11, Fri)

# ggtree 1.15.4

+ reimplement `MRCA` as a method inherited from `tidytree` (2019-01-10, Thu)
+ mv vignettes to [treedata-book](https://yulab-smu.github.io/treedata-book/) 

# ggtree 1.15.3

+ move `reroot` method to `treeio` package and rename to `root` (2018-12-28, Fri)
+ bug fixed for setting `branch.length="none"` in unrooted layouts (2018-12-26, Wed)
  - bug introduced in <https://github.com/GuangchuangYu/ggtree/pull/201>

# ggtree 1.15.2

+ compatible with `tibble` v=2.0.0 (2018-11-29, Thu)

# ggtree 1.15.1

+ now `revts` also reverse the `branch` column (2018-11-11, Sun)
  - <https://groups.google.com/d/msgid/bioc-ggtree/50765a34-53e5-44d2-bb8f-6d20a11fa890%40googlegroups.com>
+ better msg when taxa name not consistent in sequence and tree files with `msaplot`. (2018-11-07, Wed)
  - <https://github.com/GuangchuangYu/ggtree/issues/172#issuecomment-436585370>
  
# ggtree 1.14.0

+ Bioconductor 3.8 release

# ggtree 1.13.6

+ set `scale_y_continuous(expand = c(0, 0))` for `gheatmap` when `colnames = FALSE` (2018-10-17, Wed)
  - <https://github.com/GuangchuangYu/ggtree/issues/204>
+ made data usable with treedata in 'equal_angle' and 'daylight' layouts (2018-10-11, Thu)
  - <https://github.com/GuangchuangYu/ggtree/pull/201>
  
# ggtree 1.13.5

+ enable additional parameters passed to `geom_rootedge` (2018-09-13, Thu)
  - <https://github.com/GuangchuangYu/ggtree/issues/195>
+ `facet_labeller` to label panels of `facet_plot` output (2018-09-10, Mon)
  - <https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/bioc-ggtree/nAl3bNswxQM/crBwKtS3BAAJ>
  
# ggtree 1.13.3

+ update `viewClade` according to the change of `ggplot2` (2018-08-07, Tue)
  - <https://github.com/GuangchuangYu/ggtree/issues/188>
  
# ggtree 1.13.2

+ xmax_adjust  in `viewClade` (2018-07-21, Sat)
  - <https://github.com/GuangchuangYu/ggtree/issues/187>
+ update rd of `facet_plot` by adding description and example (2018-07-19, Thu)
+ order by y in `facet_plot` (2018-07-09, Mon)
+ `extend` parameter in `geom_cladelabel` and `geom_strip` supports specifying
  extension of both sides (2018-07-06, Fri)
+ `geom_nodelab2` for circular layout (2018-07-03, Tue)
  - <https://groups.google.com/d/msgid/bioc-ggtree/cbe5e1e3-99c4-481d-8523-d5b50cf0460b%40googlegroups.com>
+ re-export `ggplot2::fortify`
  - <https://groups.google.com/d/msgid/bioc-ggtree/bf7a9b3c-9a8f-4d8d-a782-1b467fba38bc%40googlegroups.com>

# ggtree 1.13.1

+ `geom_nodepoint` & `geom_tippoint` now compatible with `ggplot2` v 2.2.1 &
  3.0.0 (2018-06-26, Tue)
+ `geom_rootedge` (2018-06-13, Wed)
  - <https://github.com/GuangchuangYu/ggtree/issues/183>
+ `clade_name` parameter added in `collapse` (2018-05-28, Mon)
  - <https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/bioc-ggtree/0H1PCJPlI1Q/DeZf9EVhBQAJ>
+ bug fixed of `gheatmap` for rowname subsetting is partial match in R
  (2018-05-23, Wed)
  - <https://github.com/GuangchuangYu/ggtree/issues/182>
+ compatible with ggplot2 2.2.1.9000 for `geom_text2(parse="emoji")`
+ typo on vignettes (2018-05-08, Tue)
  - <https://github.com/GuangchuangYu/ggtree/pull/178>, thanks [@abichat](https://github.com/abichat)
+ compatible with ggplot2 2.2.1.9000 (2018-05-02, Wed)
  - incorporate newly introduce parameter `linejoin` and `arrow.fill` in `geom_segment`

# ggtree 1.12.0

+ Bioconductor 3.7 release (2018-05-01, Tue)

# ggtree 1.11.6

+ reexport `treeio::read.iqtree` & `treeio::read.astral`(2018-04-17, Tue)
+ now geom_treescale will plot the text that can **always** be separated from
  the bar (2018-03-07, Wed)
+ optimize daylight layout
    - <https://github.com/GuangchuangYu/ggtree/pull/165>
    - <https://github.com/GuangchuangYu/ggtree/pull/169>
+ geom_tiplab2 works with mapping = aes(subset) defined by users  (2018-02-24, Sta)
    - <https://groups.google.com/d/msgid/bioc-ggtree/72e18c5b-0ce5-4c25-80fa-3e2dabda8f72%40googlegroups.com>
+ fixed overlapping branch after `flip`
    - <https://github.com/GuangchuangYu/ggtree/issues/167>

# ggtree 1.11.5

+ support passing `aes(subset)` in geom_tippoint (2018-01-30, Tue)
+ support passing `aes(subset)` in geom_nodepoint (2018-01-26, Fri)
+ fine tune y position after flip; flip compatible with collapse
    - <https://groups.google.com/d/msgid/bioc-ggtree/1d06342c-9645-4f71-9e66-7d7a7099bf0b%40googlegroups.com?utm_medium=email&utm_source=footer>

# 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

