Unlike 2.1 it only installs the ftdetect plugin but not the syntax plugin.
Unfortunately vim syntax file has been removed from upstream release tarballs.
https://github.com/tmux-plugins/vim-tmux Let's create a package then!
commit 4cf5b106137a571ae2b558a0643fe6adecbea505 (HEAD -> master, origin/master, origin/HEAD) Author: Patrice Clement <monsieurp@gentoo.org> AuthorDate: Sat Oct 1 13:29:12 2016 +0200 Commit: Patrice Clement <monsieurp@gentoo.org> CommitDate: Sat Oct 1 13:29:32 2016 +0200 app-vim/vim-tmux: new package. vim-tmux is a vim plugin which offers support for tmux.conf. Gentoo-Bug: https://bugs.gentoo.org/592090 Package-Manager: portage-2.2.28 app-vim/vim-tmux/Manifest | 1 + app-vim/vim-tmux/metadata.xml | 15 +++++++++++++++ app-vim/vim-tmux/vim-tmux-3.0.0.ebuild | 23 +++++++++++++++++++++++ 3 files changed, 39 insertions(+) create mode 100644 app-vim/vim-tmux/Manifest create mode 100644 app-vim/vim-tmux/metadata.xml create mode 100644 app-vim/vim-tmux/vim-tmux-3.0.0.ebuild There you go. Enjoy!