Merge branch '4.x' into advisories

# Conflicts:
#	CHANGELOG.md

Author: brandonkelly

CHANGELOG.md

@@ -6,6 +6,8 @@
 - Fixed a bug where `users/suspend-user` and `users/unsuspend-user` actions required that the logged-in user have control panel access. ([#18485](https://github.com/craftcms/cms/issues/18485))
 - Fixed a bug where flipping an image within the Image Editor didn’t always work. ([#18486](https://github.com/craftcms/cms/issues/18486))
 - Fixed a bug where SVG files missing their `width` and `height` attributes weren’t getting them set as expected.
+- Fixed an error that occurred if a template referenced a preloaded Single entry followed by a null coalescing operator. ([#18503](https://github.com/craftcms/cms/issues/18503))
+- Fixed a bug where links within Redactor fields were getting `target="_blank"` added to them. ([#18500](https://github.com/craftcms/cms/issues/18500))
 - Fixed a [moderate-severity](https://github.com/craftcms/cms/security/policy#severity--remediation) SSRF vulnerability. (GHSA-3m9m-24vh-39wx)
 
 ## 4.17.8 - 2026-02-25

src/helpers/Template.php

@@ -69,6 +69,7 @@ class Template
      * @param string $name
      * @return bool
      * @since 4.4.0
+     * @deprecated in 4.17.9
      */
     public static function fallbackExists(string $name): bool
     {
@@ -81,6 +82,7 @@ public static function fallbackExists(string $name): bool
      * @param string $name
      * @throws UnknownPropertyException if `$name` isn’t defined as a fallback variable.
      * @since 4.4.0
+     * @deprecated in 4.17.9
      */
     public static function fallback(string $name): mixed
     {
@@ -400,14 +402,18 @@ public static function contextWithoutTemplate(array $context): array
      * @param string[] $handles
      * @since 4.4.0
      */
-    public static function preloadSingles(array $handles): void
+    public static function preloadSingles(array $handles, ?array &$context = null): void
     {
         // Ignore handles that are defined Twig globals
         $globals = Craft::$app->view->getTwig()->getGlobals();
         $handles = array_diff($handles, array_keys($globals));
 
         if (!empty($handles)) {
-            self::$_fallbacks += Craft::$app->getEntries()->getSingleEntriesByHandle($handles);
+            $singles = Craft::$app->getEntries()->getSingleEntriesByHandle($handles);
+            self::$_fallbacks += $singles;
+            if ($context !== null) {
+                $context += $singles;
+            }
         }
     }
 }

src/web/assets/cp/dist/cp.js

@@ -1919,15 +1919,18 @@ $.extend(Craft, {
 
     // Open outbound links in new windows
     // hat tip: https://stackoverflow.com/a/2911045/1688568
-    $('a', $container).each(function () {
-      if (
-        this.hostname.length &&
-        this.hostname !== location.hostname &&
-        typeof $(this).attr('target') === 'undefined'
-      ) {
-        $(this).attr('rel', 'noopener').attr('target', '_blank');
-      }
-    });
+    // ignore items in contenteditable divs (like redactor or ckeditor fields)
+    $('a', $container)
+      .not('[contenteditable="true"] a')
+      .each(function () {
+        if (
+          this.hostname.length &&
+          this.hostname !== location.hostname &&
+          typeof $(this).attr('target') === 'undefined'
+        ) {
+          $(this).attr('rel', 'noopener').attr('target', '_blank');
+        }
+      });
   },
 
   _elementIndexClasses: {},

src/web/assets/cp/dist/cp.js.map

@@ -17,6 +17,7 @@
  *
  * @author Pixel & Tonic, Inc. <support@pixelandtonic.com>
  * @since 4.4.0
+ * @deprecated in 4.17.9
  */
 class FallbackNameExpression extends ContextVariable
 {

src/web/assets/cp/src/js/Craft.js

@@ -30,7 +30,7 @@ public function compile(Compiler $compiler): void
 
         $compiler
             ->write(sprintf(
-                "%s::preloadSingles([%s]);\n",
+                "%s::preloadSingles([%s], \$context);\n",
                 Template::class,
                 implode(', ', array_map(fn(string $handle) => "'$handle'", $this->getAttribute('handles'))),
             ));

src/web/twig/nodes/FallbackNameExpression.php

@@ -7,7 +7,6 @@
 
 namespace craft\web\twig\nodevisitors;
 
-use craft\web\twig\nodes\FallbackNameExpression;
 use craft\web\twig\nodes\PreloadSinglesNode;
 use Twig\Environment;
 use Twig\Node\BodyNode;
@@ -48,12 +47,6 @@ public function enterNode(Node $node, Environment $env): Node
         ) {
             $variables = &$this->_foundVariables[0];
             $variables[$node->getAttribute('name')] = true;
-
-            // swap the node with a FallbackNameExpression
-            $node = new FallbackNameExpression($node->getAttribute('name'), [
-                'is_defined_test' => $node->getAttribute('is_defined_test'),
-                'ignore_strict_check' => $node->getAttribute('ignore_strict_check'),
-            ], $node->getTemplateLine());
         }
 
         return $node;