diff --git a/ChangeLog.3 b/ChangeLog.3
index 45db1c71f6d..85cccf0d6ed 100644
--- a/ChangeLog.3
+++ b/ChangeLog.3
@@ -1,3 +1,33 @@
+2022-02-18  Stefan Kangas  <stefankangas@gmail.com>
+
+	* Version 28.3 released.
+
+2023-02-17  Stefan Kangas  <stefankangas@gmail.com>
+
+	Update HISTORY for Emacs 28.3
+
+2023-02-17  Stefan Kangas  <stefankangas@gmail.com>
+
+	Bump Emacs version to 28.3
+
+	* README:
+	* configure.ac:
+	* msdos/sed2v2.inp:
+	* nt/README.W32: Bump Emacs version to 28.3.
+
+2023-02-17  Stefan Kangas  <stefankangas@gmail.com>
+
+	Update NEWS for Emacs 28.3
+
+	* etc/NEWS: Update for Emacs 28.3.
+
+2023-02-17  Stefan Kangas  <stefankangas@gmail.com>
+
+	Update ChangeLog and AUTHORS for Emacs 28.3
+
+	* ChangeLog.3:
+	* etc/AUTHORS: Update for Emacs 28.3.
+
 2023-02-17  Xi Lu  <lx@shellcodes.org>
 
 	Fix etags local command injection vulnerability
@@ -237318,7 +237348,7 @@
 
 This file records repository revisions from
 commit 9d56a21e6a696ad19ac65c4b405aeca44785884a (exclusive) to
-commit 790ea50b8116427fecd263ae7fc44890be518048 (inclusive).
+commit f7bd5ac55211ad0ae2e473f0dff46df1e60f99bf (inclusive).
 See ChangeLog.2 for earlier changes.
 
 ;; Local Variables:
diff --git a/etc/HISTORY b/etc/HISTORY
index 9e4becc946e..8b80473e321 100644
--- a/etc/HISTORY
+++ b/etc/HISTORY
@@ -228,6 +228,8 @@ GNU Emacs 28.1 (2022-04-04) emacs-28.1
 
 GNU Emacs 28.2 (2022-09-12) emacs-28.2
 
+GNU Emacs 28.3 (2023-02-17) emacs-28.3
+
 
 ----------------------------------------------------------------------
 This file is part of GNU Emacs.
diff --git a/lisp/emacs-lisp/cconv.el b/lisp/emacs-lisp/cconv.el
index 0154716627f..5f37db3fe9b 100644
--- a/lisp/emacs-lisp/cconv.el
+++ b/lisp/emacs-lisp/cconv.el
@@ -891,7 +891,7 @@ Returns a pair (LEXV . DYNV) of those vars actually used by FORM."
               (pcase expanded-form
                 (`#'(lambda . ,cdr) cdr)
                 (_ (cdr fun))))
-         
+
              (dynvars (delq nil (mapcar (lambda (b) (if (symbolp b) b)) env)))
              (fvs (cconv-fv expanded-form lexvars dynvars))
              (newenv (nconc (mapcar (lambda (fv) (assq fv env)) (car fvs))
diff --git a/lisp/progmodes/cc-fonts.el b/lisp/progmodes/cc-fonts.el
index c220d8d8789..e6c6c65f59c 100644
--- a/lisp/progmodes/cc-fonts.el
+++ b/lisp/progmodes/cc-fonts.el
@@ -2070,7 +2070,7 @@ casts and declarations are fontified.  Used on level 2 and higher."
   ;; prevent a repeat invocation.  See elisp/lispref page "Search-based
   ;; Fontification".
   (while (and (< (point) limit)
-	      (re-search-forward 
+	      (re-search-forward
 	       "\\<\\(module\\|export\\|import\\)\\>\\(?:[^_$]\\|$\\)"
 	       limit t))
     (goto-char (match-end 1))
diff --git a/lisp/progmodes/cc-langs.el b/lisp/progmodes/cc-langs.el
index daa23bd14fa..1749a2dfa7a 100644
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -3964,7 +3964,7 @@ is in effect when this is matched (see `c-identifier-syntax-table')."
 		     ;; "throw" in `c-type-modifier-kwds' is followed
 		     ;; by a parenthesis list, but no extra measures
 		     ;; are necessary to handle that.
-		     (regexp-opt 
+		     (regexp-opt
 		      (append (c-lang-const c-fun-name-substitute-kwds)
 			      (c-lang-const c-type-modifier-kwds))
 		      t)