diff --git a/doc/lispref/compile.texi b/doc/lispref/compile.texi
index 3e397349995..ae4905bb1f9 100644
--- a/doc/lispref/compile.texi
+++ b/doc/lispref/compile.texi
@@ -930,7 +930,7 @@ used by Emacs to natively-compile any Lisp file or byte-compiled Lisp
 file that is loaded into Emacs, when no natively-compiled file for it
 is available.  Note that because of this use of a subprocess, native
 compilation may produce warning and errors which byte-compilation does
-not, and lisp code may thus need to be modified to work correctly.  See
+not, and Lisp code may thus need to be modified to work correctly.  See
 @code{native-comp-async-report-warnings-errors} in @pxref{Native-Compilation
 Variables} for more details.
 
diff --git a/etc/NEWS b/etc/NEWS
index af7f1050b76..dd1f1bbf24f 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -71,6 +71,9 @@ switches for shortlogs, such as the one produced by 'C-x v L'.
 You can now configure how to display the "*buffer-selection*" buffer
 using this new option.  (Or set 'display-buffer-alist' directly.)
 
+---
+*** New user option 'ruby-method-params-indent'.
+
 ** Eshell
 
 +++
diff --git a/lisp/erc/erc-compat.el b/lisp/erc/erc-compat.el
index 77625398abd..fdcb146d42a 100644
--- a/lisp/erc/erc-compat.el
+++ b/lisp/erc/erc-compat.el
@@ -391,11 +391,11 @@ If START or END is negative, it counts from the end."
 
 (cond ((fboundp 'browse-url-irc)) ; 29
       ((boundp 'browse-url-default-handlers) ; 28
-       (setf (alist-get "\\`irc6?s?://" browse-url-default-handlers
-                        nil nil (lambda (a _)
-                                  (and (stringp a)
-                                       (string-match-p a "irc://localhost"))))
-             #'erc-compat--29-browse-url-irc))
+       (add-to-list 'browse-url-default-handlers
+                    '("\\`irc6?s?://" . erc-compat--29-browse-url-irc)
+                    nil (lambda (_ a)
+                          (and (stringp (car-safe a))
+                               (string-match-p (car a) "irc://localhost")))))
       ((boundp 'browse-url-browser-function) ; 27
        (require 'browse-url)
        (let ((existing browse-url-browser-function))
diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index 6cfc39c4bda..6a5e0018964 100644
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -1765,8 +1765,7 @@ all channel buffers on all servers."
 ;; to, it was never realized.
 ;;
 ;; New library code should use the `erc--target' struct instead.
-;; Third-party code can continue to use this until a getter for
-;; `erc--target' (or whatever replaces it) is exported.
+;; Third-party code can continue to use this and `erc-default-target'.
 (defvar-local erc-default-recipients nil
   "List of default recipients of the current buffer.")
 
@@ -6012,13 +6011,14 @@ See also `erc-downcase'."
 ;; While `erc-default-target' happens to return nil in channel buffers
 ;; you've parted or from which you've been kicked, using it to detect
 ;; whether a channel is currently joined may become unreliable in the
-;; future.  For now, new code should consider using
+;; future.  For now, third-party code can use
 ;;
 ;;   (erc-get-channel-user (erc-current-nick))
 ;;
-;; and expect a nicer option eventually.  For retrieving a target
-;; regardless of subscription or connection status, use replacements
-;; based on `erc--target' instead.  See also `erc--default-target'.
+;; A predicate may be provided eventually.  For retrieving a target's
+;; name regardless of subscription or connection status, new library
+;; code should use `erc--default-target'.  Third-party code should
+;; continue to use `erc-default-target'.
 
 (defun erc-default-target ()
   "Return the current default target (as a character string) or nil if none."
diff --git a/lisp/gnus/nnml.el b/lisp/gnus/nnml.el
index 40e4b9ea828..7aa445e6646 100644
--- a/lisp/gnus/nnml.el
+++ b/lisp/gnus/nnml.el
@@ -776,17 +776,22 @@ article number.  This function is called narrowed to an article."
 	(nnml--encode-headers headers)
 	headers))))
 
+;; RFC2047-encode Subject and From, but leave invalid headers unencoded.
 (defun nnml--encode-headers (headers)
   (let ((subject (mail-header-subject headers))
 	(rfc2047-encoding-type 'mime))
     (unless (string-match "\\`[[:ascii:]]*\\'" subject)
-      (setf (mail-header-subject headers)
-	    (mail-encode-encoded-word-string subject t))))
+      (let ((encoded-subject
+             (ignore-errors (mail-encode-encoded-word-string subject t))))
+        (if encoded-subject
+            (setf (mail-header-subject headers) encoded-subject)))))
   (let ((from (mail-header-from headers))
 	(rfc2047-encoding-type 'address-mime))
     (unless (string-match "\\`[[:ascii:]]*\\'" from)
-      (setf (mail-header-from headers)
-	    (rfc2047-encode-string from t)))))
+      (let ((encoded-from
+             (ignore-errors (rfc2047-encode-string from t))))
+        (if encoded-from
+            (setf (mail-header-from headers) encoded-from))))))
 
 (defun nnml-get-nov-buffer (group &optional incrementalp)
   (let ((buffer (gnus-get-buffer-create
diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el
index ce4ca4f3d92..0f1bfd0447d 100644
--- a/lisp/progmodes/eglot.el
+++ b/lisp/progmodes/eglot.el
@@ -190,6 +190,7 @@ chosen (interactively or automatically)."
                                      '("pylsp" "pyls" ("pyright-langserver" "--stdio") "jedi-language-server")))
                                 ((js-json-mode json-mode json-ts-mode)
                                  . ,(eglot-alternatives '(("vscode-json-language-server" "--stdio")
+                                                          ("vscode-json-languageserver" "--stdio")
                                                           ("json-languageserver" "--stdio"))))
                                 ((js-mode js-ts-mode tsx-ts-mode typescript-ts-mode typescript-mode)
                                  . ("typescript-language-server" "--stdio"))
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 559da6dd649..c2633798473 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1040,12 +1040,14 @@ by the user at will."
               (setq substrings (cons "./" substrings))))
          (new-collection (project--file-completion-table substrings))
          (abbr-cpd (abbreviate-file-name common-parent-directory))
+         (abbr-cpd-length (length abbr-cpd))
          (relname (cl-letf ((history-add-new-input nil)
                             ((symbol-value hist)
                              (mapcan
                               (lambda (s)
                                 (and (string-prefix-p abbr-cpd s)
-                                     (list (substring s (length abbr-cpd)))))
+                                     (not (eq abbr-cpd-length (length s)))
+                                     (list (substring s abbr-cpd-length))))
                               (symbol-value hist))))
                     (project--completing-read-strict prompt
                                                      new-collection
diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index fa51597697f..1f3e9b6ae7b 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -212,7 +212,7 @@ It should match the part after \"def\" and until \"=\".")
   :safe 'booleanp)
 
 (defcustom ruby-indent-level 2
-  "Indentation of Ruby statements."
+  "Number of spaces for each indentation step in `ruby-mode'."
   :type 'integer
   :safe 'integerp)
 
@@ -268,6 +268,23 @@ Only has effect when `ruby-use-smie' is t."
   :safe 'booleanp
   :version "24.4")
 
+(defcustom ruby-method-params-indent t
+  "Indentation  of multiline method parameters.
+
+When t, the parameters list is indented to the method name.
+
+When a number, indent the parameters list this many columns
+against the beginning of the method (the \"def\" keyword).
+
+The value nil means the same as 0.
+
+Only has effect when `ruby-use-smie' is t."
+  :type '(choice (const :tag "Indent to the method name" t)
+                 (number :tag "Indent specified number of columns against def")
+                 (const :tag "Indent to def" nil))
+  :safe (lambda (val) (or (memq val '(t nil)) (numberp val)))
+  :version "29.1")
+
 (defcustom ruby-deep-arglist t
   "Deep indent lists in parenthesis when non-nil.
 Also ignores spaces after parenthesis when `space'.
@@ -660,9 +677,12 @@ This only affects the output of the command `ruby-toggle-block'."
        (unless (or (eolp) (forward-comment 1))
          (cons 'column (current-column)))))
     ('(:before . " @ ")
-     (save-excursion
-       (skip-chars-forward " \t")
-       (cons 'column (current-column))))
+     (if (or (eq ruby-method-params-indent t)
+             (not (smie-rule-parent-p "def" "def=")))
+         (save-excursion
+           (skip-chars-forward " \t")
+           (cons 'column (current-column)))
+       (smie-rule-parent (or ruby-method-params-indent 0))))
     ('(:before . "do") (ruby-smie--indent-to-stmt))
     ('(:before . ".")
      (if (smie-rule-sibling-p)
diff --git a/lisp/repeat.el b/lisp/repeat.el
index 33e8d98ce33..3b3a444ee24 100644
--- a/lisp/repeat.el
+++ b/lisp/repeat.el
@@ -368,6 +368,13 @@ This property can override the value of this variable."
 (defcustom repeat-keep-prefix nil
   "Whether to keep the prefix arg of the previous command when repeating."
   :type 'boolean
+  :initialize #'custom-initialize-default
+  :set (lambda (sym val)
+         (set-default sym val)
+         (when repeat-mode
+           (if repeat-keep-prefix
+               (add-hook 'pre-command-hook 'repeat-pre-hook)
+             (remove-hook 'pre-command-hook 'repeat-pre-hook))))
   :group 'repeat
   :version "28.1")
 
@@ -419,7 +426,11 @@ When Repeat mode is enabled, and the command symbol has the property named
 See `describe-repeat-maps' for a list of all repeatable commands."
   :global t :group 'repeat
   (if (not repeat-mode)
-      (remove-hook 'post-command-hook 'repeat-post-hook)
+      (progn
+        (remove-hook 'pre-command-hook 'repeat-pre-hook)
+        (remove-hook 'post-command-hook 'repeat-post-hook))
+    (when repeat-keep-prefix
+      (add-hook 'pre-command-hook 'repeat-pre-hook))
     (add-hook 'post-command-hook 'repeat-post-hook)
     (let* ((keymaps nil)
            (commands (all-completions
@@ -431,15 +442,21 @@ See `describe-repeat-maps' for a list of all repeatable commands."
                (length commands)
                (length (delete-dups keymaps))))))
 
-(defvar repeat--prev-mb '(0)
-  "Previous minibuffer state.")
-
 (defun repeat--command-property (property)
   (or (and (symbolp this-command)
            (get this-command property))
       (and (symbolp real-this-command)
            (get real-this-command property))))
 
+(defun repeat-get-map ()
+  "Return a transient map for keys repeatable after the current command."
+  (when repeat-mode
+    (let ((rep-map (or repeat-map (repeat--command-property 'repeat-map))))
+      (when rep-map
+        (when (and (symbolp rep-map) (boundp rep-map))
+          (setq rep-map (symbol-value rep-map)))
+        rep-map))))
+
 (defun repeat-check-key (key map)
   "Check if the last key is suitable to activate the repeating MAP."
   (let* ((prop (repeat--command-property 'repeat-check-key))
@@ -449,50 +466,61 @@ See `describe-repeat-maps' for a list of all repeatable commands."
         ;; Try without modifiers:
         (lookup-key map (vector (event-basic-type key))))))
 
+(defvar repeat--prev-mb '(0)
+  "Previous minibuffer state.")
+
+(defun repeat-check-map (map)
+  "Decides whether MAP can be used for the next command."
+  (and map
+       ;; Detect changes in the minibuffer state to allow repetitions
+       ;; in the same minibuffer, but not when the minibuffer is activated
+       ;; in the middle of repeating sequence (bug#47566).
+       (or (< (minibuffer-depth) (car repeat--prev-mb))
+           (eq current-minibuffer-command (cdr repeat--prev-mb)))
+       (repeat-check-key last-command-event map)
+       t))
+
+(defun repeat-pre-hook ()
+  "Function run before commands to handle repeatable keys."
+  (when (and repeat-mode repeat-keep-prefix repeat-in-progress
+             (not prefix-arg) current-prefix-arg)
+    (let ((map (repeat-get-map)))
+      ;; Only when repeat-post-hook will activate the same map
+      (when (repeat-check-map map)
+        ;; Optimize to use less logic in the function `repeat-get-map'
+        ;; for the next call: when called again from `repeat-post-hook'
+        ;; it will use the variable `repeat-map'.
+        (setq repeat-map map)
+        ;; Preserve universal argument
+        (setq prefix-arg current-prefix-arg)))))
+
 (defun repeat-post-hook ()
   "Function run after commands to set transient keymap for repeatable keys."
   (let ((was-in-progress repeat-in-progress))
     (setq repeat-in-progress nil)
-    (when repeat-mode
-      (let ((rep-map (or repeat-map (repeat--command-property 'repeat-map))))
-        (when rep-map
-          (when (and (symbolp rep-map) (boundp rep-map))
-            (setq rep-map (symbol-value rep-map)))
-          (let ((map (copy-keymap rep-map)))
+    (let ((map (repeat-get-map)))
+      (when (repeat-check-map map)
+        ;; Messaging
+        (funcall repeat-echo-function map)
 
-            (when (and
-                   ;; Detect changes in the minibuffer state to allow repetitions
-                   ;; in the same minibuffer, but not when the minibuffer is activated
-                   ;; in the middle of repeating sequence (bug#47566).
-                   (or (< (minibuffer-depth) (car repeat--prev-mb))
-                       (eq current-minibuffer-command (cdr repeat--prev-mb)))
-                   (or (not repeat-keep-prefix) prefix-arg)
-                   (repeat-check-key last-command-event map))
+        ;; Adding an exit key
+        (when repeat-exit-key
+          (setq map (copy-keymap map))
+          (define-key map (if (key-valid-p repeat-exit-key)
+                              (kbd repeat-exit-key)
+                            repeat-exit-key)
+                      'ignore))
 
-              ;; Messaging
-              (unless prefix-arg
-                (funcall repeat-echo-function map))
+        (setq repeat-in-progress t)
+        (repeat--exit)
+        (let ((exitfun (set-transient-map map)))
+          (setq repeat-exit-function exitfun)
 
-              ;; Adding an exit key
-              (when repeat-exit-key
-                (define-key map (if (key-valid-p repeat-exit-key)
-                                    (kbd repeat-exit-key)
-                                  repeat-exit-key)
-                            'ignore))
-
-              (when (and repeat-keep-prefix (not prefix-arg))
-                (setq prefix-arg current-prefix-arg))
-
-              (setq repeat-in-progress t)
-              (let ((exitfun (set-transient-map map)))
-                (repeat--exit)
-                (setq repeat-exit-function exitfun)
-
-                (let* ((prop (repeat--command-property 'repeat-exit-timeout))
-                       (timeout (unless (eq prop 'no) (or prop repeat-exit-timeout))))
-                  (when timeout
-                    (setq repeat-exit-timer
-                          (run-with-idle-timer timeout nil #'repeat-exit))))))))))
+          (let* ((prop (repeat--command-property 'repeat-exit-timeout))
+                 (timeout (unless (eq prop 'no) (or prop repeat-exit-timeout))))
+            (when timeout
+              (setq repeat-exit-timer
+                    (run-with-idle-timer timeout nil #'repeat-exit)))))))
 
     (setq repeat-map nil)
     (setq repeat--prev-mb (cons (minibuffer-depth) current-minibuffer-command))
@@ -582,6 +610,7 @@ Used in `repeat-mode'."
                          (push s (alist-get (get s 'repeat-map) keymaps)))))
       (with-help-window (help-buffer)
         (with-current-buffer standard-output
+          (setq-local outline-regexp "[*]+")
           (insert "A list of keymaps used by commands with the symbol property `repeat-map'.\n")
 
           (dolist (keymap (sort keymaps (lambda (a b)
diff --git a/lisp/server.el b/lisp/server.el
index 8f4ca4cbc6c..8bd622346e7 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -1502,7 +1502,7 @@ so don't mark these buffers specially, just visit them normally."
 					  minibuffer-auto-raise))
 	       (filen (car file))
 	       (obuf (get-file-buffer filen)))
-	  (add-to-history 'file-name-history filen)
+          (file-name-history--add filen)
 	  (if (null obuf)
 	      (progn
 		(run-hooks 'pre-command-hook)
diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index 25ea07e9db7..9bc6ad9db46 100644
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -2268,10 +2268,11 @@ Highlighting those lines can be distracting.)"
                 (save-excursion (goto-char whitespace-point)
                                 (line-beginning-position)))))
     (when (= p 1)
-      ;; See the comment in `whitespace--update-bob-eob' for why this
-      ;; text property is added here.
-      (put-text-property 1 whitespace-bob-marker
-                         'font-lock-multiline t))
+      (with-silent-modifications
+        ;; See the comment in `whitespace--update-bob-eob' for why
+        ;; this text property is added here.
+        (put-text-property 1 whitespace-bob-marker
+                           'font-lock-multiline t)))
     (when (< p e)
       (set-match-data (list p e))
       (goto-char e))))
@@ -2292,10 +2293,11 @@ about to start typing, and if they do, that line and previous
 empty lines will no longer be EoB empty lines.  Highlighting
 those lines can be distracting.)"
   (when (= limit (1+ (buffer-size)))
-    ;; See the comment in `whitespace--update-bob-eob' for why this
-    ;; text property is added here.
-    (put-text-property whitespace-eob-marker limit
-                       'font-lock-multiline t))
+    (with-silent-modifications
+      ;; See the comment in `whitespace--update-bob-eob' for why this
+      ;; text property is added here.
+      (put-text-property whitespace-eob-marker limit
+                         'font-lock-multiline t)))
   (let ((b (max (point) whitespace-eob-marker
                 whitespace-bob-marker ; See comment in the bob func.
                 (save-excursion (goto-char whitespace-point)
@@ -2437,8 +2439,9 @@ purposes)."
             (save-match-data
               (when (looking-at whitespace-empty-at-bob-regexp)
                 (set-marker whitespace-bob-marker (match-end 1))
-                (put-text-property (match-beginning 1) (match-end 1)
-                                   'font-lock-multiline t))))
+                (with-silent-modifications
+                  (put-text-property (match-beginning 1) (match-end 1)
+                                     'font-lock-multiline t)))))
           (when (or (null end)
                     (>= end (save-excursion
                               (goto-char whitespace-eob-marker)
@@ -2451,8 +2454,9 @@ purposes)."
               (when (whitespace--looking-back
                      whitespace-empty-at-eob-regexp)
                 (set-marker whitespace-eob-marker (match-beginning 1))
-                (put-text-property (match-beginning 1) (match-end 1)
-                                   'font-lock-multiline t)))))))))
+                (with-silent-modifications
+                  (put-text-property (match-beginning 1) (match-end 1)
+                                     'font-lock-multiline t))))))))))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/src/emacs-module.h.in b/src/emacs-module.h.in
index d485de5aa18..c51d482d8a2 100644
--- a/src/emacs-module.h.in
+++ b/src/emacs-module.h.in
@@ -116,7 +116,7 @@ enum emacs_funcall_exit
   /* Function has signaled an error using `signal'.  */
   emacs_funcall_exit_signal = 1,
 
-  /* Function has exit using `throw'.  */
+  /* Function has exited using `throw'.  */
   emacs_funcall_exit_throw = 2
 };
 
diff --git a/test/lisp/cus-edit-tests.el b/test/lisp/cus-edit-tests.el
index 0ef5168109b..31ba68b4107 100644
--- a/test/lisp/cus-edit-tests.el
+++ b/test/lisp/cus-edit-tests.el
@@ -83,7 +83,14 @@
 (ert-deftest test-setopt ()
   (should (= (setopt cus-edit-test-foo1 1) 1))
   (should (= cus-edit-test-foo1 1))
-  (should-error (setopt cus-edit-test-foo1 :foo)))
-
+  (let* ((text-quoting-style 'grave)
+         (warn-txt
+          (with-current-buffer (get-buffer-create "*Warnings*")
+            (let ((inhibit-read-only t))
+              (erase-buffer))
+            (setopt cus-edit-test-foo1 :foo)
+            (buffer-substring-no-properties (point-min) (point-max)))))
+    (should (string-search "Value `:foo' does not match type number"
+                           warn-txt))))
 (provide 'cus-edit-tests)
 ;;; cus-edit-tests.el ends here
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-method-params-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-method-params-indent.rb
new file mode 100644
index 00000000000..2b665797397
--- /dev/null
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-method-params-indent.rb
@@ -0,0 +1,18 @@
+class C
+  def self.foo(
+    baz,
+    bar
+  ) =
+    what
+
+  def foo=(
+    baz,
+    bar
+  )
+    hello
+  end
+end
+
+# Local Variables:
+# ruby-method-params-indent: 0
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby.rb b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
index 2451edaee22..6a69d9db78a 100644
--- a/test/lisp/progmodes/ruby-mode-resources/ruby.rb
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
@@ -538,3 +538,7 @@ class Bar
     baz
   end
 end
+
+# Local Variables:
+# ruby-method-params-indent: t
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-tests.el b/test/lisp/progmodes/ruby-mode-tests.el
index 9be01dc78f9..560f780285a 100644
--- a/test/lisp/progmodes/ruby-mode-tests.el
+++ b/test/lisp/progmodes/ruby-mode-tests.el
@@ -943,16 +943,20 @@ VALUES-PLIST is a list with alternating index and value elements."
                      "Blub#bye"
                      "Blub#hiding")))))
 
-(ert-deftest ruby--indent/converted-from-manual-test ()
-  :tags '(:expensive-test)
-  ;; Converted from manual test.
-  (let ((buf (find-file-noselect (ert-resource-file "ruby.rb"))))
-    (unwind-protect
-        (with-current-buffer buf
-          (let ((orig (buffer-string)))
-            (indent-region (point-min) (point-max))
-            (should (equal (buffer-string) orig))))
-      (kill-buffer buf))))
+(defmacro ruby-deftest-indent (file)
+  `(ert-deftest ,(intern (format "ruby-indent-test/%s" file)) ()
+     ;; :tags '(:expensive-test)
+     (let ((buf (find-file-noselect (ert-resource-file ,file))))
+       (unwind-protect
+           (with-current-buffer buf
+             (let ((orig (buffer-string)))
+               ;; Indent and check that we get the original text.
+               (indent-region (point-min) (point-max))
+               (should (equal (buffer-string) orig))))
+         (kill-buffer buf)))))
+
+(ruby-deftest-indent "ruby.rb")
+(ruby-deftest-indent "ruby-method-params-indent.rb")
 
 (ert-deftest ruby--test-chained-indentation ()
   (with-temp-buffer
diff --git a/test/lisp/repeat-tests.el b/test/lisp/repeat-tests.el
index 1382d003599..06c6f748a2a 100644
--- a/test/lisp/repeat-tests.el
+++ b/test/lisp/repeat-tests.el
@@ -76,27 +76,27 @@
         "C-x w a b a c"
         '((1 a) (1 b) (1 a)) "c")
        (repeat-tests--check
-        "M-C-a b a c"
+        "C-M-a b a c"
         '((1 a) (1 b) (1 a)) "c")
        (repeat-tests--check
-        "M-C-z b a c"
+        "C-M-z b a c"
         '((1 a)) "bac")
        (unwind-protect
            (progn
              (put 'repeat-tests-call-a 'repeat-check-key 'no)
              (repeat-tests--check
-              "M-C-z b a c"
+              "C-M-z b a c"
               '((1 a) (1 b) (1 a)) "c"))
          (put 'repeat-tests-call-a 'repeat-check-key nil)))
      (let ((repeat-check-key nil))
        (repeat-tests--check
-        "M-C-z b a c"
+        "C-M-z b a c"
         '((1 a) (1 b) (1 a)) "c")
        (unwind-protect
            (progn
              (put 'repeat-tests-call-a 'repeat-check-key t)
              (repeat-tests--check
-              "M-C-z b a c"
+              "C-M-z b a c"
               '((1 a)) "bac"))
          (put 'repeat-tests-call-a 'repeat-check-key nil))))))
 
@@ -125,15 +125,17 @@
        (repeat-tests--check
         "C-2 C-x w a C-3 c"
         '((2 a)) "ccc"))
-     ;; TODO: fix and uncomment
-     ;; (let ((repeat-keep-prefix t))
-     ;;   (repeat-tests--check
-     ;;    "C-2 C-x w a b a b c"
-     ;;    '((2 a) (2 b) (2 a) (2 b)) "c")
-     ;;   (repeat-tests--check
-     ;;    "C-2 C-x w a C-1 C-2 b a C-3 C-4 b c"
-     ;;    '((2 a) (12 b) (12 a) (34 b)) "c"))
-     )))
+     ;; Fixed in bug#51281 and bug#55986
+     (let ((repeat-keep-prefix t))
+       ;; Re-enable to take effect.
+       (repeat-mode -1) (repeat-mode +1)
+       (repeat-tests--check
+        "C-2 C-x w a b a b c"
+        '((2 a) (2 b) (2 a) (2 b)) "c")
+       ;; (repeat-tests--check
+       ;;  "C-2 C-x w a C-1 C-2 b a C-3 C-4 b c"
+       ;;  '((2 a) (12 b) (12 a) (34 b)) "c")
+       ))))
 
 ;; TODO: :tags '(:expensive-test)  for repeat-exit-timeout
 
diff --git a/test/lisp/whitespace-tests.el b/test/lisp/whitespace-tests.el
index fb53543c9e1..3e94d7e921b 100644
--- a/test/lisp/whitespace-tests.el
+++ b/test/lisp/whitespace-tests.el
@@ -327,6 +327,16 @@ buffer's content."
                                         "«:whitespace-empty:\n"
                                         "»")))))
 
+(ert-deftest whitespace-tests--empty-bob-eob-modified ()
+  "Regression test for Bug#60066."
+  (whitespace-tests--with-test-buffer '()
+    (insert "\nx\n\n")
+    (goto-char 2)
+    (set-buffer-modified-p nil)
+    (let ((whitespace-style '(face empty)))
+      (whitespace-mode 1)
+      (should (not (buffer-modified-p))))))
+
 (provide 'whitespace-tests)
 
 ;;; whitespace-tests.el ends here