Here's what I get.
# BiocManager::install("ggtree")
library(ggtree)
#> Registered S3 method overwritten by 'treeio':
#> method from
#> root.phylo ape
#> ggtree v2.2.4 For help: https://yulab-smu.github.io/treedata-book/
#>
#> If you use ggtree in published research, please cite the most appropriate paper(s):
#>
#> e[36m-e[39m Guangchuang Yu. Using ggtree to visualize data on tree-like structures. Current Protocols in Bioinformatics, 2020, 69:e96. doi:10.1002/cpbi.96
#> e[36m-e[39m Guangchuang Yu, Tommy Tsan-Yuk Lam, Huachen Zhu, Yi Guan. Two methods for mapping and visualizing associated data on phylogeny using ggtree. Molecular Biology and Evolution 2018, 35(12):3041-3043. doi:10.1093/molbev/msy194
#> e[36m-e[39m Guangchuang Yu, David Smith, Huachen Zhu, Yi Guan, Tommy Tsan-Yuk Lam. ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data. Methods in Ecology and Evolution 2017, 8(1):28-36. doi:10.1111/2041-210X.12628
set.seed(2017-02-16)
tree <- rtree(50)
ggtree(tree)
sessionInfo()
#> R version 4.0.4 (2021-02-15)
#> Platform: x86_64-pc-linux-gnu (64-bit)
#> Running under: Pop!_OS 20.10
#>
#> Matrix products: default
#> BLAS: /usr/local/lib/R/lib/libRblas.so
#> LAPACK: /usr/local/lib/R/lib/libRlapack.so
#>
#> locale:
#> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
#> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
#> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
#> [7] LC_PAPER=en_US.UTF-8 LC_NAME=C
#> [9] LC_ADDRESS=C LC_TELEPHONE=C
#> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
#>
#> attached base packages:
#> [1] stats graphics grDevices utils datasets methods base
#>
#> other attached packages:
#> [1] ggtree_2.2.4
#>
#> loaded via a namespace (and not attached):
#> [1] Rcpp_1.0.6 BiocManager_1.30.15 pillar_1.6.1
#> [4] compiler_4.0.4 highr_0.9 tools_4.0.4
#> [7] digest_0.6.27 aplot_0.0.6 jsonlite_1.7.2
#> [10] tidytree_0.3.3 evaluate_0.14 lifecycle_1.0.0
#> [13] tibble_3.1.2 nlme_3.1-152 gtable_0.3.0
#> [16] lattice_0.20-44 pkgconfig_2.0.3 rlang_0.4.11
#> [19] reprex_2.0.0 DBI_1.1.1 rvcheck_0.1.8
#> [22] patchwork_1.1.1 yaml_2.2.1 parallel_4.0.4
#> [25] xfun_0.23 treeio_1.12.0 dplyr_1.0.6
#> [28] withr_2.4.2 styler_1.4.1 stringr_1.4.0
#> [31] knitr_1.33 generics_0.1.0 fs_1.5.0
#> [34] vctrs_0.3.8 tidyselect_1.1.1 grid_4.0.4
#> [37] glue_1.4.2 R6_2.5.0 fansi_0.4.2
#> [40] rmarkdown_2.8 farver_2.1.0 tidyr_1.1.3
#> [43] purrr_0.3.4 ggplot2_3.3.3 magrittr_2.0.1
#> [46] backports_1.2.1 scales_1.1.1 ellipsis_0.3.2
#> [49] htmltools_0.5.1.1 assertthat_0.2.1 colorspace_2.0-1
#> [52] ape_5.5 labeling_0.4.2 utf8_1.2.1
#> [55] stringi_1.6.1 lazyeval_0.2.2 munsell_0.5.0
#> [58] crayon_1.4.1