Issue #3333569 by alorenc, lauriii, smustgrave, larowlan: Breadcrumb for local tasks of Custom Blocks should contain the name of the custom block not the entity ID

core/modules/block_content/block_content.routing.yml

@@ -22,6 +22,7 @@ entity.block_content.canonical:
   path: '/block/{block_content}'
   defaults:
     _entity_form: 'block_content.edit'
+    _title_callback: '\Drupal\Core\Entity\Controller\EntityController::title'
   options:
     _admin_route: TRUE
   requirements:

core/modules/block_content/tests/src/Functional/PageEditTest.php

@@ -3,6 +3,7 @@
 namespace Drupal\Tests\block_content\Functional;
 
 use Drupal\block_content\Entity\BlockContent;
+use Drupal\Tests\system\Functional\Menu\AssertBreadcrumbTrait;
 
 /**
  * Create a block and test block edit functionality.
@@ -11,6 +12,8 @@ use Drupal\block_content\Entity\BlockContent;
  */
 class PageEditTest extends BlockContentTestBase {
 
+  use AssertBreadcrumbTrait;
+
   /**
    * {@inheritdoc}
    */
@@ -23,6 +26,7 @@ class PageEditTest extends BlockContentTestBase {
     parent::setUp();
 
     $this->drupalPlaceBlock('page_title_block');
+    $this->drupalPlaceBlock('system_breadcrumb_block');
   }
 
   /**
@@ -77,6 +81,15 @@ class PageEditTest extends BlockContentTestBase {
     $this->drupalGet("block/" . $revised_block->id());
     $this->clickLink('Delete');
     $this->assertSession()->pageTextContains('Are you sure you want to delete the custom block ' . $revised_block->label() . '?');
+
+    // Test breadcrumb.
+    $trail = [
+      '' => 'Home',
+      'block/' . $revised_block->id() => $revised_block->label(),
+    ];
+    $this->assertBreadcrumb(
+      'block/' . $revised_block->id() . '/delete', $trail
+    );
   }
 
 }

core/phpstan-baseline.neon

@@ -2175,6 +2175,11 @@ parameters:
 			count: 2
 			path: modules/system/tests/modules/entity_test/entity_test.install
 
+		-
+			message: "#^Variable \\$goto in isset\\(\\) always exists and is not nullable\\.$#"
+			count: 1
+			path: modules/system/tests/src/Functional/Menu/AssertBreadcrumbTrait.php
+
 		-
 			message: "#^Call to deprecated constant REQUEST_TIME\\: Deprecated in drupal\\:8\\.3\\.0 and is removed from drupal\\:11\\.0\\.0\\. Use \\\\Drupal\\:\\:time\\(\\)\\-\\>getRequestTime\\(\\); $#"
 			count: 1