Command bar w/ increased size when in fullscreen and tabs

Using MacVim Snapshot >151 breaks the size of command bar when using tabs.
Prefer native full-screen support, makes no difference here, I tested w/ both options.
I'm using dark mode, but makes no difference either.
Mojave 10.14.2 (18C54)

:version
VIM - Vi IMproved 8.1 (2018 May 18, compiled Dec 13 2018 08:58:43)
macOS version
Included patches: 1-577
Compiled by _datadetectors@Traviss-Mac-6.local
Huge version with MacVim GUI.  Features included (+) or not (-):
+acl               +clipboard         +dnd               +fullscreen        +listcmds          -mouse_sysmouse    +postscript        +statusline        +title             +windows
+arabic            +cmdline_compl     -ebcdic            -gettext           +localmap          +mouse_urxvt       +printer           -sun_workshop      +toolbar           +writebackup
+autocmd           +cmdline_hist      +emacs_tags        -hangul_input      +lua/dyn           +mouse_xterm       +profile           +syntax            +transparency      -X11
+autochdir         +cmdline_info      +eval              +iconv             +menu              +multi_byte        +python/dyn        +tag_binary        +user_commands     -xfontset
-autoservername    +comments          +ex_extra          +insert_expand     +mksession         +multi_lang        +python3/dyn       +tag_old_static    +vartabs           +xim
+balloon_eval      +conceal           +extra_search      +job               +modify_fname      -mzscheme          +quickfix          -tag_any_white     +vertsplit         -xpm
+balloon_eval_term +cryptv            +farsi             +jumplist          +mouse             +netbeans_intg     +reltime           -tcl               +virtualedit       -xsmp
+browse            +cscope            +file_in_path      +keymap            +mouseshape        +num64             +rightleft         +termguicolors     +visual            -xterm_clipboard
++builtin_terms    +cursorbind        +find_in_path      +lambda            +mouse_dec         +odbeditor         +ruby/dyn          +terminal          +visualextra       -xterm_save
+byte_offset       +cursorshape       +float             +langmap           -mouse_gpm         +packages          +scrollbind        +terminfo          +viminfo
+channel           +dialog_con_gui    +folding           +libcall           -mouse_jsbterm     +path_extra        +signs             +termresponse      +vreplace
+cindent           +diff              -footer            +linebreak         +mouse_netterm     +perl/dyn          +smartindent       +textobjects       +wildignore
+clientserver      +digraphs          +fork()            +lispindent        +mouse_sgr         +persistent_undo   +startuptime       +timers            +wildmenu
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "$VIM/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
       defaults file: "$VIMRUNTIME/defaults.vim"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/Applications/MacVim.app/Contents/Resources/vim"
Compilation: clang -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_MACVIM -Wall -Wno-unknown-pragmas -pipe  -DMACOS_X -DMACOS_X_DARWIN  -g -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: clang   -L. -fstack-protector -L/usr/local/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/openssl/lib -L/usr/local/opt/readline/lib -L. -fstack-protector -L/usr/local/lib -L/usr/local/opt/libya
ml/lib -L/usr/local/opt/openssl/lib -L/usr/local/opt/readline/lib  -L/usr/local/lib -o Vim -framework Cocoa -framework Carbon       -lm  -lncurses -liconv -framework AppKit   -fstack-protector  -L/System/L
ibrary/Perl/5.18/darwin-thread-multi-2level/CORE
Screenshots

Snapshot 151

Snapshot >152
