    ;; (default '(100000000 0.1))
    dotspacemacs-gc-cons '(100000000 0.1)
 
+   ;; Set `read-process-output-max' when startup finishes.
+   ;; This defines how much data is read from a foreign process.
+   ;; Setting this >= 1 MB should increase performance for lsp servers
+   ;; in emacs 27.
+   ;; (default (* 1024 1024))
+   dotspacemacs-read-process-output-max (* 1024 1024)
+
    ;; If non-nil then Spacelpa repository is the primary source to install
    ;; a locked version of packages. If nil then Spacemacs will install the
    ;; latest version of packages from MELPA. (default nil)

   ;; Run `spacemacs/prettify-org-buffer' when
   ;; visiting README.org files of Spacemacs.
   ;; (default nil)
   dotspacemacs-pretty-docs nil))

(defun dotspacemacs/user-env ()
  "Environment variables setup.

            shell-default-position 'bottom)
     spell-checking
     syntax-checking
     version-control
     treemacs
     osx
     nixos
     github
     haskell
     swift
     tidal
     gpu
     ;; urweb
     ;; (terraform :variables terraform-auto-format-on-save t)
     ns-playgrounds
     ;; reasonml
     agda
     )

   ;; List of additional packages that will be installed without being
