diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c9d053..d6ec178 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,3 +7,11 @@ All notable changes of the phpactor.el are documented in this file using the [Ke
 ### Added
 
 * Add `phpstan-analyze-this-file` command
+* Add `phpstan.dist.neon` to `phpstan-get-config-file` as PHPStan config files.
+* Add `phpstan-pro` command to launch [PHPStan Pro].
+
+[PHPStan Pro]: https://phpstan.org/blog/introducing-phpstan-pro
+
+### Changed
+
+* Make flycheck analyze the original file directly instead of temporary files when there are no changes to the file.
diff --git a/flycheck-phpstan.el b/flycheck-phpstan.el
index 35af909..a4256b1 100644
--- a/flycheck-phpstan.el
+++ b/flycheck-phpstan.el
@@ -63,9 +63,10 @@
 (flycheck-define-checker phpstan
   "PHP static analyzer based on PHPStan."
   :command ("php" (eval (phpstan-get-command-args))
-            (eval (phpstan-normalize-path
-                   (flycheck-save-buffer-to-temp #'flycheck-temp-file-inplace)
-                   (flycheck-save-buffer-to-temp #'flycheck-temp-file-system))))
+            (eval (if (or (buffer-modified-p) (not buffer-file-name))
+                      (phpstan-normalize-path
+                       (flycheck-save-buffer-to-temp #'flycheck-temp-file-inplace))
+                    buffer-file-name)))
   :working-directory (lambda (_) (phpstan-get-working-dir))
   :enabled (lambda () (flycheck-phpstan--enabled-and-set-variable))
   :error-patterns
diff --git a/phpstan.el b/phpstan.el
index 143ab94..3185f0c 100644
--- a/phpstan.el
+++ b/phpstan.el
@@ -56,11 +56,12 @@
 (require 'cl-lib)
 (require 'php-project)
 
+(eval-when-compile
+  (require 'php))
 
 ;; Variables:
-
 (defgroup phpstan nil
-  "Interaface to PHPStan"
+  "Interaface to PHPStan."
   :tag "PHPStan"
   :prefix "phpstan-"
   :group 'tools
@@ -229,7 +230,7 @@ NIL
                 (php-project-get-root-dir)))))
 
 (defun phpstan-get-config-file ()
-  "Return path to phpstan configure file or `NIL'."
+  "Return path to phpstan configure file or NIL."
   (if phpstan-config-file
       (if (and (consp phpstan-config-file)
                (eq 'root (car phpstan-config-file)))
@@ -238,8 +239,8 @@ NIL
         phpstan-config-file)
     (let ((working-directory (phpstan-get-working-dir)))
       (when working-directory
-        (cl-loop for name in '("phpstan.neon" "phpstan.neon.dist")
-                 for dir  = (locate-dominating-file working-directory name)
+        (cl-loop for name in '("phpstan.neon" "phpstan.neon.dist" "phpstan.dist.neon")
+                 for dir = (locate-dominating-file working-directory name)
                  if dir
                  return (expand-file-name name dir))))))
 
@@ -252,7 +253,7 @@ NIL
       phpstan-autoload-file)))
 
 (defun phpstan-normalize-path (source-original &optional source)
-  "Return normalized source file path to pass by `SOURCE-ORIGINAL' OR `SOURCE'.
+  "Return normalized source file path to pass by SOURCE-ORIGINAL or SOURCE.
 
 If neither `phpstan-replace-path-prefix' nor executable docker is set,
 it returns the value of `SOURCE' as it is."
@@ -272,7 +273,7 @@ it returns the value of `SOURCE' as it is."
       (or source source-original))))
 
 (defun phpstan-get-level ()
-  "Return path to phpstan configure file or `NIL'."
+  "Return path to phpstan configure file or NIL."
   (cond
    ((null phpstan-level) nil)
    ((integerp phpstan-level) (int-to-string phpstan-level))
@@ -283,17 +284,30 @@ it returns the value of `SOURCE' as it is."
   "Return --memory-limit value."
   phpstan-memory-limit)
 
+;;;###autoload
 (defun phpstan-analyze-this-file ()
   "Analyze current buffer-file using PHPStan."
   (interactive)
   (let ((file (expand-file-name (or buffer-file-name
                                     (read-file-name "Choose a PHP script: ")))))
-    (compile (mapconcat #'shell-quote-argument (append (phpstan-get-command-args t) (list file)) " "))))
+    (compile (mapconcat #'shell-quote-argument
+                        (append (phpstan-get-command-args :include-executable t) (list file)) " "))))
 
+;;;###autoload
 (defun phpstan-analyze-file (file)
   "Analyze a PHP script FILE using PHPStan."
   (interactive (list (expand-file-name (read-file-name "Choose a PHP script: "))))
-  (compile (mapconcat #'shell-quote-argument (append (phpstan-get-command-args t) (list file)) " ")))
+  (compile (mapconcat #'shell-quote-argument
+                      (append (phpstan-get-command-args :include-executable t) (list file)) " ")))
+
+;;;###autoload
+(defun phpstan-pro ()
+  "Analyze current PHP project using PHPStan Pro."
+  (interactive)
+  (let ((compilation-buffer-name-function (lambda (_) "*PHPStan Pro*"))
+        (command (mapconcat #'shell-quote-argument
+                            (phpstan-get-command-args :include-executable t :use-pro t) " ")))
+    (compile command t)))
 
 (defun phpstan-get-executable-and-args ()
   "Return PHPStan excutable file and arguments."
@@ -332,7 +346,7 @@ it returns the value of `SOURCE' as it is."
        ((executable-find "phpstan") (list (executable-find "phpstan")))
        (t (error "PHPStan executable not found")))))))
 
-(defun phpstan-get-command-args (&optional include-executable)
+(cl-defun phpstan-get-command-args (&key include-executable use-pro)
   "Return command line argument for PHPStan."
   (let ((executable-and-args (phpstan-get-executable-and-args))
         (path (phpstan-normalize-path (phpstan-get-config-file)))
@@ -342,6 +356,7 @@ it returns the value of `SOURCE' as it is."
     (append (if include-executable (list (car executable-and-args)) nil)
             (cdr executable-and-args)
             (list "analyze" "--error-format=raw" "--no-progress" "--no-interaction")
+            (and use-pro (list "--pro" "--no-ansi"))
             (and path (list "-c" path))
             (and autoload (list "-a" autoload))
             (and memory-limit (list "--memory-limit" memory-limit))