diff --git a/README.md b/README.md
index 506677f..68aa75c 100644
--- a/README.md
+++ b/README.md
@@ -153,6 +153,21 @@ You can also use the [vim-tab-bar](https://github.com/jamescherti/vim-tab-bar.el
   (vim-tab-bar-mode 1))
 ```
 
+You can also install `vdiff`, which provides Vimdiff-like functionality for Emacs.
+``` emacs-lisp
+(use-package vdiff
+  :ensure t
+  :defer t
+  :commands (vdiff-buffers
+             vdiff-buffers3
+             vdiff-quit
+             vdiff-files
+             vdiff-files3)
+  :custom
+  (vdiff-auto-refine t)
+  (vdiff-only-highlight-refinements t))
+```
+
 ### Automatically compile Emacs Lisp code (auto-compile)
 
 The auto-compile package automates the byte-compilation of Emacs Lisp files, ensuring that your code runs more efficiently by converting it to byte-code. This process reduces the load time and execution time of your Emacs configuration and other Lisp files, leading to faster performance. Additionally, auto-compile helps maintain an up-to-date and optimized configuration by recompiling files automatically when they are saved, eliminating the need for manual compilation and minimizing potential issues caused by outdated byte-code.
@@ -178,6 +193,8 @@ To activate gcmh-mode, add the following to the beginning of `~/.emacs.d/post-in
   :ensure t
   :hook (after-init . gcmh-mode)
   :custom
+  (gcmh-idle-delay 'auto)
+  (gcmh-auto-idle-delay-factor 10)
   (gcmh-low-cons-threshold minimal-emacs-gc-cons-threshold))
 ```
 
diff --git a/early-init.el b/early-init.el
index ea020c7..7fca81e 100644
--- a/early-init.el
+++ b/early-init.el
@@ -39,6 +39,8 @@
 
 (set-language-environment "UTF-8")
 
+(setq custom-theme-directory (expand-file-name "themes/" user-emacs-directory))
+
 ;; Set-language-environment sets default-input-method, which is unwanted.
 (setq default-input-method nil)
 
diff --git a/init.el b/init.el
index a89a04d..e3918b3 100644
--- a/init.el
+++ b/init.el
@@ -54,7 +54,10 @@
   (require 'use-package))
 
 ;;; Misc
+
+;; Allow nested minibuffers
 (setq enable-recursive-minibuffers t)
+
 (setq custom-file
       (expand-file-name "custom.el"
                         minimal-emacs--default-user-emacs-directory))
@@ -62,6 +65,29 @@
 ;; switch-to-buffer runs pop-to-buffer-same-window instead
 (setq switch-to-buffer-obey-display-actions t)
 
+;; Keep the cursor out of the read-only portions of the.minibuffer
+(setq minibuffer-prompt-properties
+      '(read-only t intangible t cursor-intangible t face
+                  minibuffer-prompt))
+(add-hook 'minibuffer-setup-hook #'cursor-intangible-mode)
+
+(setq show-paren-delay 0.1
+      show-paren-highlight-openparen t
+      show-paren-when-point-inside-paren t
+      show-paren-when-point-in-periphery t)
+
+(setq whitespace-line-column nil)  ; whitespace-mode
+
+;; I reduced the default value of 9 to simplify the font-lock keyword,
+;; aiming to improve performance. This package helps differentiate
+;; nested delimiter pairs, particularly in languages with heavy use of
+;; parentheses.
+(setq rainbow-delimiters-max-face-count 5)
+
+;; Can be activated with `display-line-numbers-mode'
+(setq-default display-line-numbers-width 3)
+(setq-default display-line-numbers-widen t)
+
 ;;; Files
 
 ;; Disable the warning "X and Y are the same file". Ignoring this warning is
@@ -73,6 +99,27 @@
 (setq find-file-visit-truename t
       vc-follow-symlinks t)
 
+;; Skip confirmation prompts when creating a new file or buffer
+(setq confirm-nonexistent-file-or-buffer nil)
+
+(setq uniquify-buffer-name-style 'forward)
+
+(setq mouse-yank-at-point t)
+
+(setq frame-title-format '("%b – Emacs")
+      icon-title-format frame-title-format)
+
+;; Prefer vertical splits over horizontal ones
+(setq split-width-threshold 170
+      split-height-threshold nil)
+
+;; The native border "uses" a pixel of the fringe on the rightmost
+;; splits, whereas `window-divider` does not.
+(setq window-divider-default-bottom-width 1
+      window-divider-default-places t
+      window-divider-default-right-width 1)
+(add-hook 'after-init-hook #'window-divider-mode)
+
 ;;; Backup files
 
 ;; Avoid generating backups or lockfiles to prevent creating world-readable
@@ -97,9 +144,9 @@
 ;; auto-saved data.
 (setq auto-save-default t)
 
-;; Do not auto-disable auto-save after deleting large chunks of text. The
-;; purpose of auto-save is to provide a failsafe, and disabling it contradicts
-;; this objective.
+;; Do not auto-disable auto-save after deleting large chunks of
+;; text. The purpose of auto-save is to provide a failsafe, and
+;; disabling it contradicts this objective.
 (setq auto-save-include-big-deletions t)
 
 (setq auto-save-list-file-prefix
@@ -111,9 +158,11 @@
 (setq kill-buffer-delete-auto-save-files t)
 
 ;;; Auto revert
-(setq auto-revert-stop-on-user-input nil
-      auto-revert-use-notify nil
-      revert-without-query (list ".")  ; Do not prompt
+;; Auto-revert in Emacs is a feature that automatically updates the
+;; contents of a buffer to reflect changes made to the underlying file
+;; on disk.
+(setq revert-without-query (list ".")  ; Do not prompt
+      auto-revert-stop-on-user-input nil
       auto-revert-verbose t)
 
 ;;; recentf
@@ -121,6 +170,7 @@
 ;; accessed files, making it easier to reopen files you have worked on
 ;; recently.
 (setq recentf-max-saved-items 300) ; default is 20
+(setq recentf-auto-cleanup 'mode)
 (add-hook 'after-init-hook #'recentf-mode)
 
 ;;; savehist
@@ -129,8 +179,9 @@
 
 ;;; Subr
 ;; Allow for shorter responses: "y" for yes and "n" for no.
-(setq use-short-answers t)
-(defalias #'yes-or-no-p 'y-or-n-p)
+(if (boundp 'use-short-answers)
+    (setq use-short-answers t)
+  (advice-add #'yes-or-no-p :override #'y-or-n-p))
 (defalias #'view-hello-file #'ignore)  ; Never show the hello file
 
 ;;; Mule-util
@@ -244,6 +295,15 @@
 ;; Remove duplicates from the kill ring to reduce clutter
 (setq kill-do-not-save-duplicates t)
 
+;;; ansi-color
+(setq comint-prompt-read-only t)
+(setq comint-buffer-maximum-size 2048)
+
+;;; compile
+(setq compilation-always-kill t
+      compilation-ask-about-save nil
+      compilation-scroll-output 'first-error)
+
 ;;; Load post-init.el
 (minimal-emacs-load-user-init "post-init.el")