Removed FEAT_WINDOWS

Support for multiple windows and status line.
Remove FEAT_DIFF

Support for vim's diff mode.
Remove FEAT_MBYTE

Multi-byte character handling.
Remove FEAT_QUICKFIX
Remove FEAT_AUTOCMD

Support for :autocmd command
Remove FEAT_CINDENT

C code indenting
Remove FEAT_BYTEOFF

Support for byte2line(), line2byte(), go and :goto.
Remove FEAT_CMDL_COMPL

Completion of mappings/abbreviations in command line mode
Remove FEAT_CMDL_INFO

'showcmd' and 'ruler' options
Remove FEAT_CMDWIN

Command-line window which opens by q:, q/, q?
Remove FEAT_COMMENTS

Special comments formatting, see 'comments' option.
Remove FEAT_COMPL_FUNC

Insert mode completion with 'completefunc'
Remove FEAT_CON_DIALOG

Support for :confirm with console dialog.
Remove FEAT_CURSORBIND

Synchronization of cursor in split windows for diff mode
Remove FEAT_EVAL

Support for VimScript, :let, :if, etc.
Remove FEAT_EX_EXTRA

Vim's extra Ex commands: :center, :left, :normal, :retab and :right
Remove FEAT_LISTCMDS

Vim commands for the buffer list and the argument list: ":buffer",
":bnext", ":bdel", ":argdelete", etc.
Remove FEAT_MENU

Support for :menu command. It can be used in terminal Vim too.
Remove FEAT_SEARCHPATH

Support for gf(edit the file whose name is under or after the cursor)
and <cfile>(is replaced with the path name under the cursor).
Remove FEAT_SESSION

Support for :mksession command