diff --git a/CHANGES.rst b/CHANGES.rst
index 14f575ad5..16508ab04 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -22,12 +22,14 @@ Version 8.4.1
 Released 2026-05-21
 
 -   ``get_parameter_source()`` is available during eager callbacks and type
-    conversion again. :issue:`3458` :issue:`3484`
+    conversion again. :issue:`3458` :pr:`3484`
 -   Zsh completion scripts parse correctly on Windows. :issue:`3277` :pr:`3466`
--   Shell completion of `Choice` `Enum` values produces a valid completion
-    result. :issue:`3015`
--   Fix empty byte-string handling in echo. :issue:`3487`
--   Fix closed file error with `echo_via_pager`. :issue:`3449`
+-   Shell completion of ``Enum`` values used as ``Choice`` options produces a
+    valid completion result. :issue:`3015` :pr:`3471`
+-   Fix empty byte-string handling in echo. :issue:`3487` :pr:`3493`
+-   Fix closed file error with ``echo_via_pager``. :issue:`3449` :pr:`3482`
+-   Fix ``open_url`` on Windows when the file path contains spaces.
+    :issue:`2994` :pr:`3478`
 
 
 Version 8.4.0
@@ -77,7 +79,7 @@ Released 2026-05-17
     :pr:`2969`
 -   Use :func:`os.startfile` on Windows to open URLs in :func:`open_url`,
     replacing the ``start`` built-in which cannot be invoked without
-    ``shell=True``. :issue:`3164` :pr:`3186`
+    ``shell=True``. :issue:`2868` :issue:`3164` :pr:`3186`
 -   Fix Fish shell completion errors when option help text contains newlines.
     :issue:`3043` :pr:`3126`
 -   Add :class:`NoSuchCommand` exception with suggestions for misspelled
diff --git a/docs/conf.py b/docs/conf.py
index d04b78327..4842959f5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -31,6 +31,7 @@
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3/", None),
 }
+myst_enable_extensions = ["attrs_block"]
 myst_heading_anchors = 3
 
 # HTML -----------------------------------------------------------------
diff --git a/docs/index.md b/docs/index.md
index 4549769c2..c280b1974 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,4 +1,5 @@
-#
+{.hide-header}
+# Welcome to Click
 
 ```{image} _static/click-name.svg
 :align: center
diff --git a/src/click/_termui_impl.py b/src/click/_termui_impl.py
index 76113e9bb..3336c37c3 100644
--- a/src/click/_termui_impl.py
+++ b/src/click/_termui_impl.py
@@ -430,8 +430,11 @@ def _pager_contextmanager(
 @contextlib.contextmanager
 def get_pager_file(color: bool | None = None) -> t.Generator[t.TextIO, None, None]:
     """Context manager.
+
     Yields a writable file-like object which can be used as an output pager.
-    .. versionadded:: 8.4
+
+    .. versionadded:: 8.4.0
+
     :param color: controls if the pager supports ANSI colors or not.  The
                   default is autodetection.
     """