diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index faa04b7ba..bdc7529a3 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -15,6 +15,17 @@ breaking changes (such as renamed commands) can happen in minor releases.
 // `Fixed` for any bug fixes.
 // `Security` to invite users to upgrade in case of vulnerabilities.
 
+[[v3.6.4]]
+v3.6.4 (unreleased)
+-------------------
+
+Fixed
+~~~~~
+
+- datalist dropdowns not opening correctly on Wayland/Sway (#8831).
+  This was caused by an old workaround for a different QtWebEngine issue,
+  which is now disabled for QtWebEngine 6.6.3 and newer.
+
 [[v3.6.3]]
 v3.6.3 (2025-11-30)
 -------------------
diff --git a/qutebrowser/browser/eventfilter.py b/qutebrowser/browser/eventfilter.py
index 2e6cc3a2c..db01e8613 100644
--- a/qutebrowser/browser/eventfilter.py
+++ b/qutebrowser/browser/eventfilter.py
@@ -10,7 +10,7 @@ from qutebrowser.qt.gui import QKeyEvent
 from qutebrowser.qt.widgets import QWidget
 
 from qutebrowser.config import config
-from qutebrowser.utils import log, message, usertypes, qtutils
+from qutebrowser.utils import log, message, usertypes, qtutils, version, utils
 from qutebrowser.keyinput import modeman, keyutils
 
 
@@ -55,16 +55,16 @@ class ChildEventFilter(QObject):
                 # - This is a child event filter on a tab (self._widget is not None)
                 # - We find an old existing child which is a QQuickWidget and is
                 #   currently focused.
-                # - We're using QtWebEngine >= 6.4 (older versions are not affected)
+                # - We're using an affected QtWebEngine version
                 children = [
                     c for c in self._widget.findChildren(
                         QWidget, "", Qt.FindChildOption.FindDirectChildrenOnly)
                     if c is not child and
                     c.hasFocus() and
                     c.metaObject() is not None and
-                    c.metaObject().className() == "QQuickWidget"
+                    c.metaObject().className() == "QQuickWidget"  # Qt 6.4+
                 ]
-                if children:
+                if children and version.qtwebengine_versions().webengine < utils.VersionNumber(6, 6, 3):
                     log.misc.debug("Focusing new child")
                     child.setFocus()