diff --git a/share/html/Elements/ShowSearch b/share/html/Elements/ShowSearch
index 97b11851859..701085a4908 100644
--- a/share/html/Elements/ShowSearch
+++ b/share/html/Elements/ShowSearch
@@ -244,7 +244,7 @@ my $title = loc(RT::SavedSearch->EscapeDescription($search->Description), $Proce
 if ( $m->request_path =~ m{^/Views/} ) {
     $event{triggerChanged} = 'every ' . $refresh_seconds . 's[checkRefreshState(this)]' if $refresh_seconds;
     $event{widgetTitleChanged}   = $title . ( $title_raw // '' );
-    $r->headers_out->{'HX-Trigger'} = JSON( \%event, utf8 => 1, );
+    $r->headers_out->{'HX-Trigger'} = JSON( \%event, ascii => 1, );
 }
 
 my @icon_links;
diff --git a/share/html/Helpers/AssetUpdate b/share/html/Helpers/AssetUpdate
index 3abe4ab489d..e2476755886 100644
--- a/share/html/Helpers/AssetUpdate
+++ b/share/html/Helpers/AssetUpdate
@@ -123,6 +123,6 @@ $r->headers_out->{'HX-Trigger'} = JSON(
         actionsChanged => \@results,
         map { $_ => '' } @events
     },
-    utf8 => 1,
+    ascii => 1,
 ) if @events || @results;
 </%INIT>
diff --git a/share/html/Helpers/QuickCreate b/share/html/Helpers/QuickCreate
index abb1246a187..66099b722ab 100644
--- a/share/html/Helpers/QuickCreate
+++ b/share/html/Helpers/QuickCreate
@@ -99,7 +99,7 @@ if ( $ARGS{'QuickCreateSubmit'} ) {
         {
             actionsChanged => \@results
         },
-        utf8 => 1,
+        ascii => 1,
     ) if @results;
 
 }
diff --git a/share/html/Helpers/SavedSearchOptions b/share/html/Helpers/SavedSearchOptions
index 46539882789..b01991a1b8c 100644
--- a/share/html/Helpers/SavedSearchOptions
+++ b/share/html/Helpers/SavedSearchOptions
@@ -105,14 +105,14 @@ if ( $SavedSearchId ) {
                                     )
                                 ],
                             },
-                            utf8 => 1,
+                            ascii => 1,
                         );
                     }
                     else {
                         RT->Logger->error(
                             "Unable to update SearchRefreshIntervale from $ARGS{'SearchRefreshInterval'}: $msg"
                         );
-                        $r->headers_out->{'HX-Trigger'} = JSON( { actionsChanged => [$msg], }, utf8 => 1, );
+                        $r->headers_out->{'HX-Trigger'} = JSON( { actionsChanged => [$msg], }, ascii => 1, );
                     }
                 }
             }
diff --git a/share/html/Helpers/TicketUpdate b/share/html/Helpers/TicketUpdate
index eb30fa9fe9e..7ad8fb07db2 100644
--- a/share/html/Helpers/TicketUpdate
+++ b/share/html/Helpers/TicketUpdate
@@ -178,7 +178,7 @@ $r->headers_out->{'HX-Trigger'} = JSON(
         actionsChanged => \@Actions,
         map { $_ => '' } @events
     },
-    utf8 => 1,
+    ascii => 1,
 ) if @events || @Actions;
 
 </%INIT>
diff --git a/share/html/Views/Asset/Title b/share/html/Views/Asset/Title
index 7dc1126b49e..5451c553a07 100644
--- a/share/html/Views/Asset/Title
+++ b/share/html/Views/Asset/Title
@@ -51,7 +51,7 @@ my $asset = RT::Asset->new( $session{CurrentUser} );
 $asset->Load($id);
 
 my $title = loc( "Asset #[_1]: [_2]", $asset->Id, $asset->Name || '' );
-$r->headers_out->{'HX-Trigger'} = JSON( { titleChanged => $title }, utf8 => 1, );
+$r->headers_out->{'HX-Trigger'} = JSON( { titleChanged => $title }, ascii => 1, );
 $m->out($m->interp->apply_escapes($title, 'h'));
 $m->abort;
 </%INIT>
diff --git a/share/html/Views/Ticket/Title b/share/html/Views/Ticket/Title
index cc94f853f43..1f82c493260 100644
--- a/share/html/Views/Ticket/Title
+++ b/share/html/Views/Ticket/Title
@@ -51,7 +51,7 @@ my $ticket = RT::Ticket->new( $session{CurrentUser} );
 $ticket->Load($id);
 
 my $title = loc( "#[_1]: [_2]", $ticket->Id, $ticket->Subject || '' );
-$r->headers_out->{'HX-Trigger'} = JSON( { titleChanged => $title }, utf8 => 1, );
+$r->headers_out->{'HX-Trigger'} = JSON( { titleChanged => $title }, ascii => 1, );
 $m->out($m->interp->apply_escapes($title, 'h'));
 $m->abort;
 </%INIT>
diff --git a/share/static/js/util.js b/share/static/js/util.js
index 89bf4437e4d..3c4e9d889cf 100644
--- a/share/static/js/util.js
+++ b/share/static/js/util.js
@@ -817,8 +817,7 @@ jQuery(function() {
     document.body.addEventListener('actionsChanged', function(evt) {
         if ( evt.detail.value ) {
             for ( const action of evt.detail.value ) {
-                // Need to decode action that is UTF-8 encoded
-                jQuery.jGrowl(decodeURIComponent(escape(action)), { themeState: 'none' });
+                jQuery.jGrowl(action, { themeState: 'none' });
             }
 
             const history_container = document.querySelector('.history-container');
@@ -854,7 +853,7 @@ jQuery(function() {
     });
 
     document.body.addEventListener('titleChanged', function(evt) {
-        document.title = decodeURIComponent(escape(evt.detail.value));
+        document.title = evt.detail.value;
     });
 
     document.body.addEventListener('triggerChanged', function(evt) {
@@ -865,7 +864,7 @@ jQuery(function() {
     document.body.addEventListener('widgetTitleChanged', function(evt) {
         const title = evt.detail.elt.closest('div.titlebox').querySelector('.titlebox-title a');
         if ( title ) {
-            title.innerHTML = decodeURIComponent(escape(evt.detail.value));
+            title.innerHTML = evt.detail.value;
         }
     });
 
diff --git a/t/selenium/basic.t b/t/selenium/basic.t
index 709aa497e75..050c5d5d154 100644
--- a/t/selenium/basic.t
+++ b/t/selenium/basic.t
@@ -105,6 +105,32 @@ diag "test custom field unique values";
     is( $ticket->FirstCustomFieldValue($cf), 456, 'CF value is set' );
 }
 
+{
+    $s->get_ok('/Prefs/AboutMe.html');
+    $s->submit_form_ok(
+        {
+            form_name => 'EditAboutMe',
+            fields    => { Lang => 'zh-cn' },
+        },
+        'Update Language'
+    );
+
+    $s->text_contains( Encode::decode( 'UTF-8', '主页' ), 'Menu has changed to Chinese' );
+    $s->get_ok('/');
+    $s->text_contains( Encode::decode( 'UTF-8', '我拥有的前10份待处理申请单' ), 'Chinese title is correct' );
+
+    $s->get_ok('/Prefs/AboutMe.html');
+    $s->submit_form_ok(
+        {
+            form_name => 'EditAboutMe',
+            fields    => { Lang => '' },
+        },
+        'Update Language'
+    );
+    $s->text_contains(q{Lang changed from 'zh-cn' to (no value)});
+
+}
+
 $s->logout;
 
 done_testing;