completin select first item

coc-settings.json

@@ -1,6 +1,7 @@
 {
   "coc.preferences.triggerAfterInsertEnter": false,
   "coc.preferences.autoTrigger": "none",
+  "coc.preferences.noselect": false,
   "coc.preferences.triggerSignatureHelp": true,
   "coc.preferences.diagnostic.enable": true,
   "coc.preferences.diagnostic.warningSign": "λ",

vimrc

@@ -990,11 +990,10 @@ command! Scratch new | setlocal buftype=nofile | setlocal bufhidden=hide | setlo
 command! ScratchVertical vnew | setlocal buftype=nofile | setlocal bufhidden=hide | setlocal noswapfile
 "}}}
 "}}}
-" #settings {{{
+" " #settings {{{
 scriptencoding utf-8
 
 syntax on
-" set fillchars=stl:\ ,stlnc:\ ,vert:│
 set fillchars=stl:\ ,stlnc:\ ,vert:┃
 
 set guioptions-=mTrLb
@@ -1029,10 +1028,7 @@ set hidden
 set number relativenumber
 set hlsearch
 
-" set previewheight=24
-" set splitbelow
-
-set completeopt=longest,menuone
+set completeopt=menuone,preview
 
 set nospell
 set spelllang=en_gb