diff --git a/configure.ac b/configure.ac
index 25afe3a6981..c5300beb2ba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4289,8 +4289,8 @@ If you really want to try it anyway, use the configure option
 fi
 
 if test "${with_native_compilation}" != "no"; then
-    if test "${HAVE_PDUMPER}" = no; then
-       AC_MSG_ERROR(['--with-native-compilation' requires '--with-dumping=pdumper'])
+    if test "$with_unexec" = yes; then
+       AC_MSG_ERROR(['--with-native-compilation' is not compatible with unexec])
     fi
     if test "${HAVE_ZLIB}" = no; then
        AC_MSG_ERROR(['--with-native-compilation' requires zlib])
diff --git a/doc/emacs/package.texi b/doc/emacs/package.texi
index d993b7b071f..7a2bc11d03c 100644
--- a/doc/emacs/package.texi
+++ b/doc/emacs/package.texi
@@ -558,29 +558,6 @@ regular package listing.  If you just wish to clone the source of a
 package, without adding it to the package list, use
 @code{package-vc-checkout}.
 
-@vindex package-vc-selected-packages
-@findex package-vc-install-selected-packages
-  An alternative way to use @code{package-vc-install} is via the
-@code{package-vc-selected-packages} user option.  This is an alist of
-packages to install, where each key is a package name and the value is
-@code{nil}, indicating that any revision is to install, a string,
-indicating a specific revision or a package specification plist.  The
-side effect of setting the user option is to install the package, but
-the process can also be manually triggered using the function
-@code{package-vc-install-selected-packages}.  Here is an example of
-how the user option:
-
-@example
-@group
-(setopt package-vc-selected-packages
-        '((modus-themes . "0f39eb3fd9") ;specific revision
-          (auctex . nil)                ;any revision
-          (foo                          ;a package specification
-           :url "https://git.sv.gnu.org/r/foo-mode.git"
-           :branch "trunk")))
-@end group
-@end example
-
 @findex package-report-bug
 @findex package-vc-prepare-patch
   With the source checkout, you might want to reproduce a bug against
diff --git a/doc/misc/eglot.texi b/doc/misc/eglot.texi
index 735da5f0163..85f83ee4b26 100644
--- a/doc/misc/eglot.texi
+++ b/doc/misc/eglot.texi
@@ -977,9 +977,9 @@ facilities.
 
 Though many language servers work well out-of-the-box, most allow
 fine-grained control of their operation via specific configuration
-options that vary from server to server.  A small number of servers
-require such special configuration to work acceptably, or even to work
-at all.
+options that are transmitted over the LSP protocol and vary from
+server to server.  A small number of servers require such special
+configuration to work acceptably, or even to work at all.
 
 After having setup a server executable program in
 @code{eglot-server-programs} (@pxref{Setting Up LSP Servers}) and
@@ -1016,8 +1016,9 @@ server reads the file @file{~/.config/pycodestyle} for user
 configuration.  The @command{clangd} C/C++ server reads both
 @file{~/.config/clangd/config.yaml} for user configuration and
 @file{.clangd} for project configuration.  It may be advantageous to
-use these mechanisms instead of Eglot's, as the latter have the
-advantage of working with other LSP clients.
+use these mechanisms instead of Eglot's, as this will probably work
+with other LSP clients and may be easier to debug than options riding
+on the LSP wire.
 
 @node Project-specific configuration
 @section Project-specific configuration
@@ -1201,7 +1202,7 @@ the LSP handshake.  This is done using the
 The argument @code{(:compilationDatabasePath "/tmp")} is Emacs's
 representation in plist format of a simple JSON object
 @code{@{"compilationDatabasePath": "/tmp"@}}.  To learn how to
-represent more deeply nested options in this format, @xref{JSONRPC
+represent more deeply nested options in this format, @pxref{JSONRPC
 objects in Elisp}.
 
 In this case, the two examples achieve exactly the same, but notice
@@ -1214,7 +1215,7 @@ supported.  It consists of @emph{globally} setting
 @code{eglot-workspace-configuration}, a variable originally intended
 for project-specific configuration.  This has the same effect as
 giving all your projects a certain default configuration, as described
-in @xref{Project-specific configuration}.  Here is an example.
+in @ref{Project-specific configuration}.  Here is an example:
 
 @lisp
 (setq-default eglot-workspace-configuration
@@ -1241,17 +1242,21 @@ keyword-value property sub-plists corresponding to JSON sub-objects.
 For representing the JSON leaf values @code{true}, @code{false},
 @code{null} and @code{@{@}}, you can use the Lisp values @code{t},
 @code{:json-false}, @code{nil}, and @code{eglot-@{@}}, respectively.
+JSON arrays are represented as Elisp vectors surrounded by square brackets
+(@pxref{Vectors,,,elisp,GNU Emacs Lisp Reference Manual}).
 
-For example, this plist:
+For example, the plist
 
 @lisp
 (:pylsp (:plugins (:jedi_completion (:include_params t
-                                             :fuzzy t)
-                           :pylint (:enabled :json-false)))
+                                     :fuzzy t
+                                     :cache_for ["pandas" "numpy"]
+                   :pylint (:enabled :json-false))))
  :gopls (:usePlaceholders t))
 @end lisp
 
-Is serialized by Eglot to the following JSON text:
+@noindent
+is serialized by Eglot to the following JSON text:
 
 @example
 @{
@@ -1259,7 +1264,8 @@ Is serialized by Eglot to the following JSON text:
     "plugins": @{
       "jedi_completion": @{
         "include_params": true,
-        "fuzzy": true
+        "fuzzy": true,
+        "cache_for": [ "pandas", "numpy" ],
       @},
       "pylint": @{
         "enabled": false
diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
index ea2766b8dc4..253b35f1f1a 100644
--- a/lisp/emacs-lisp/package-vc.el
+++ b/lisp/emacs-lisp/package-vc.el
@@ -48,7 +48,6 @@
 ;;; Code:
 
 (eval-when-compile (require 'rx))
-(eval-when-compile (require 'inline))
 (eval-when-compile (require 'map))
 (eval-when-compile (require 'cl-lib))
 (require 'package)
@@ -139,7 +138,6 @@ the `clone' function."
                (package-desc-create :name name :kind 'vc))
            spec)))))))
 
-;;;###autoload
 (defcustom package-vc-selected-packages '()
   "List of packages that must be installed.
 Each member of the list is of the form (NAME . SPEC), where NAME
@@ -174,13 +172,9 @@ is a symbol designating the package and SPEC is one of:
 
   All other keys are ignored.
 
-This user option differs from `package-selected-packages' in that
-it is meant to be specified manually.  If you want to install all
-the packages in the list, you cal also use
-`package-vc-install-selected-packages'.
-
-Note that this option will not override an existing source
-package installation or revert the checked out revision."
+This user option will be automatically updated to store package
+specifications for packages that are not specified in any
+archive."
   :type '(alist :tag "List of packages you want to be installed"
                 :key-type (symbol :tag "Package")
                 :value-type
@@ -191,10 +185,6 @@ package installation or revert the checked out revision."
                                          (:lisp-dir string)
                                          (:main-file string)
                                          (:vc-backend symbol)))))
-  :initialize #'custom-initialize-default
-  :set (lambda (sym val)
-         (custom-set-default sym val)
-         (package-vc-install-selected-packages))
   :version "29.1")
 
 (defvar package-vc--archive-spec-alist nil
@@ -224,19 +214,17 @@ All other values are ignored.")
 The optional argument NAME can be used to override the default
 name for PKG-DESC."
   (alist-get
-   (or name (package-desc-name pkg-desc))
-   (if (package-desc-archive pkg-desc)
+   (setq name (or name (package-desc-name pkg-desc)))
+   (if (and (package-desc-archive pkg-desc)
+            (not (alist-get name package-vc-selected-packages
+                            nil nil #'string=)))
        (alist-get (intern (package-desc-archive pkg-desc))
                   package-vc--archive-spec-alist)
-     (apply #'append (mapcar #'cdr package-vc--archive-spec-alist)))
-   nil nil #'string=))
-
-(define-inline package-vc--query-spec (pkg-desc prop)
-  "Query the property PROP for the package specification of PKG-DESC.
-If no package specification can be determined, the function will
-return nil."
-  (inline-letevals (pkg-desc prop)
-    (inline-quote (plist-get (package-vc--desc->spec ,pkg-desc) ,prop))))
+     ;; Consult both our local list of package specifications, as well
+     ;; as the lists provided by the archives.
+     (apply #'append (cons package-vc-selected-packages
+                           (mapcar #'cdr package-vc--archive-spec-alist))))
+   '() nil #'string=))
 
 (defun package-vc--read-archive-data (archive)
   "Update `package-vc--archive-spec-alist' for ARCHIVE.
@@ -309,12 +297,11 @@ asynchronously."
          (directory (file-name-concat
                      (or (package-desc-dir pkg-desc)
                          (expand-file-name name package-user-dir))
-                     (and-let* ((extras (package-desc-extras pkg-desc)))
-                       (alist-get :lisp-dir extras))))
-         (file (or (plist-get pkg-spec :main-file)
-                   (expand-file-name
-                    (concat name ".el")
-                    directory))))
+                     (plist-get pkg-spec :lisp-dir)))
+         (file (expand-file-name
+                (or (plist-get pkg-spec :main-file)
+                    (concat name ".el"))
+                directory)))
     (if (file-exists-p file) file
       ;; The following heuristic is only necessary when fetching a
       ;; repository with URL that would break the above assumptions.
@@ -495,12 +482,12 @@ documentation and marking the package as installed."
                           missing)))
 
     (let ((default-directory (file-name-as-directory pkg-dir))
-          (pkg-file (expand-file-name (package--description-file pkg-dir) pkg-dir)))
+          (pkg-file (expand-file-name (package--description-file pkg-dir) pkg-dir))
+          (pkg-spec (package-vc--desc->spec pkg-desc)))
       ;; Generate autoloads
       (let* ((name (package-desc-name pkg-desc))
              (auto-name (format "%s-autoloads.el" name))
-             (extras (package-desc-extras pkg-desc))
-             (lisp-dir (alist-get :lisp-dir extras)))
+             (lisp-dir (plist-get pkg-spec :lisp-dir)))
         (package-generate-autoloads
          name (file-name-concat pkg-dir lisp-dir))
         (when lisp-dir
@@ -520,8 +507,7 @@ documentation and marking the package as installed."
       (package-vc--generate-description-file pkg-desc pkg-file)
 
       ;; Detect a manual
-      (when-let ((pkg-spec (package-vc--desc->spec pkg-desc))
-                 ((executable-find "install-info")))
+      (when (executable-find "install-info")
         (dolist (doc-file (ensure-list (plist-get pkg-spec :doc)))
           (package-vc--build-documentation pkg-desc doc-file))))
 
@@ -584,7 +570,6 @@ attribute in PKG-SPEC."
     (unless (file-exists-p dir)
       (make-directory (file-name-directory dir) t)
       (let ((backend (or (plist-get pkg-spec :vc-backend)
-                         (package-vc--query-spec pkg-desc :vc-backend)
                          (package-vc--guess-backend url)
                          (plist-get (alist-get (package-desc-archive pkg-desc)
                                                package-vc--archive-data-alist
@@ -659,9 +644,14 @@ abort installation?" name))
           ;; file system or between installations.
           (throw 'done (setq lisp-dir name)))))
 
-    (when lisp-dir
-      (push (cons :lisp-dir lisp-dir)
-            (package-desc-extras pkg-desc)))
+    ;; Ensure we have a copy of the package specification
+    (unless (equal (alist-get name (mapcar #'cdr package-vc--archive-spec-alist)) pkg-spec)
+      (customize-save-variable
+       'package-vc-selected-packages
+       (cons (cons name pkg-spec)
+             (seq-remove (lambda (spec) (string= name (car spec)))
+                         package-vc-selected-packages))))
+
     (package-vc--unpack-1 pkg-desc pkg-dir)))
 
 (defun package-vc--read-package-name (prompt &optional allow-url installed)
diff --git a/lisp/htmlfontify.el b/lisp/htmlfontify.el
index 1ab33cc6411..f0e38242e48 100644
--- a/lisp/htmlfontify.el
+++ b/lisp/htmlfontify.el
@@ -757,7 +757,9 @@ may happen."
                             255))
                        '(0 1 2))))))
 
-(defun hfy-family (family) (list (cons "font-family"  family)))
+(defun hfy-family (family)
+  (list (cons "font-family"
+              (format "\"%s\"" (string-replace "\"" "\\\\\"" family)))))
 (defun hfy-bgcol  (color) (list (cons "background"   (hfy-triplet color))))
 (defun hfy-color (color) (list (cons "color"        (hfy-triplet color))))
 (define-obsolete-function-alias 'hfy-colour #'hfy-color "27.1")
diff --git a/test/infra/Dockerfile.emba b/test/infra/Dockerfile.emba
index c005d872cb8..872591333e6 100644
--- a/test/infra/Dockerfile.emba
+++ b/test/infra/Dockerfile.emba
@@ -24,7 +24,7 @@
 # Maintainer: Ted Zlatanov <tzz@lifelogs.com>
 # URL: https://emba.gnu.org/emacs/emacs
 
-FROM debian:stretch as emacs-base
+FROM debian:bullseye as emacs-base
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends -o=Dpkg::Use-Pty=0 \
@@ -34,9 +34,10 @@ RUN apt-get update && \
 
 FROM emacs-base as emacs-inotify
 
+# We install clangd for Eglot tests.
 RUN apt-get update && \
     apt-get install -y --no-install-recommends -o=Dpkg::Use-Pty=0 \
-      inotify-tools \
+      inotify-tools clangd \
     && rm -rf /var/lib/apt/lists/*
 
 COPY . /checkout