2c2
 index c3adf88..dae4bc3 100644
---
 index c3adf88..6449520 100644
5c5,11
 @@ -95,7 +95,7 @@ class BlocksController extends ControllerBase {
---
 @@ -90,12 +90,12 @@ class BlocksController extends ControllerBase {
  
      foreach ($customBlocks as $customBlock) {
        if (array_key_exists('drush', $form) && $form['drush'] === TRUE) {
 -        drush_log('Exported "' . $customBlock['info'] . '"', 'ok');
 +        \Drupal::logger('Exported "' . $customBlock['info'] . '"', 'ok');
        }
13a20,73
 @@ -245,7 +245,7 @@ class BlocksController extends ControllerBase {
      }
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted custom blocks that were not in config', 'ok');
 +      \Drupal::logger('Deleted custom blocks that were not in config', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted custom blocks that were not in config');
    }
 @@ -296,7 +296,7 @@ class BlocksController extends ControllerBase {
          $blockContent->save();
  
          if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -          drush_log('Imported "' . $block['info'] . '"', 'ok');
 +          \Drupal::logger('Imported "' . $block['info'] . '"', 'ok');
          }
          StructureSyncHelper::logMessage('Imported "' . $block['info'] . '"');
        }
 @@ -319,7 +319,7 @@ class BlocksController extends ControllerBase {
              }
  
              if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -              drush_log('Updated "' . $block['info'] . '"', 'ok');
 +              \Drupal::logger('Updated "' . $block['info'] . '"', 'ok');
              }
              StructureSyncHelper::logMessage('Updated "' . $block['info'] . '"');
  
 @@ -372,7 +372,7 @@ class BlocksController extends ControllerBase {
        $blockContent->save();
  
        if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -        drush_log('Imported "' . $block['info'] . '"', 'ok');
 +        \Drupal::logger('Imported "' . $block['info'] . '"', 'ok');
        }
        StructureSyncHelper::logMessage('Imported "' . $block['info'] . '"');
      }
 @@ -390,7 +390,7 @@ class BlocksController extends ControllerBase {
        ->delete($entities);
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted all custom blocks', 'ok');
 +      \Drupal::logger('Deleted all custom blocks', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted all custom blocks');
    }
 @@ -416,7 +416,7 @@ class BlocksController extends ControllerBase {
        $blockContent->save();
  
        if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -        drush_log('Imported "' . $block['info'] . '"', 'ok');
 +        \Drupal::logger('Imported "' . $block['info'] . '"', 'ok');
        }
        StructureSyncHelper::logMessage('Imported "' . $block['info'] . '"');
      }
24c84
 index 354b4c1..0534faa 100755
---
 index 354b4c1..b91bd84 100755
27c87,95
 @@ -82,7 +82,7 @@ class MenuLinksController extends ControllerBase {
---
 @@ -75,14 +75,14 @@ class MenuLinksController extends ControllerBase {
        ];
  
        if (array_key_exists('drush', $form) && $form['drush'] === TRUE) {
 -        drush_log('Exported "' . $menuLink->title->getValue()[0]['value'] . '" of menu "' . $menuLink->menu_name->getValue()[0]['value'] . '"', 'ok');
 +        \Drupal::logger('Exported "' . $menuLink->title->getValue()[0]['value'] . '" of menu "' . $menuLink->menu_name->getValue()[0]['value'] . '"', 'ok');
        }
        StructureSyncHelper::logMessage('Exported "' . $menuLink->title->value . '" of menu "' . $menuLink->menu_name->value . '"');
      }
35a104,148
 @@ -232,7 +232,7 @@ class MenuLinksController extends ControllerBase {
      }
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted menu links that were not in config', 'ok');
 +      \Drupal::logger('Deleted menu links that were not in config', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted menu links that were not in config');
    }
 @@ -341,7 +341,7 @@ class MenuLinksController extends ControllerBase {
            }
  
            if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -            drush_log('Imported "' . $menuLink['title'] . '" into ' . $menuLink['menu_name'], 'ok');
 +            \Drupal::logger('Imported "' . $menuLink['title'] . '" into ' . $menuLink['menu_name'], 'ok');
            }
            StructureSyncHelper::logMessage('Imported "' . $menuLink['title'] . '" into ' . $menuLink['menu_name']);
  
 @@ -397,7 +397,7 @@ class MenuLinksController extends ControllerBase {
        ])->save();
  
        if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -        drush_log('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu', 'ok');
 +        \Drupal::logger('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu', 'ok');
        }
        StructureSyncHelper::logMessage('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu');
      }
 @@ -415,7 +415,7 @@ class MenuLinksController extends ControllerBase {
        ->delete($entities);
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted all (content) menu links', 'ok');
 +      \Drupal::logger('Deleted all (content) menu links', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted all (content) menu links');
    }
 @@ -442,7 +442,7 @@ class MenuLinksController extends ControllerBase {
        ])->save();
  
        if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -        drush_log('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu', 'ok');
 +        \Drupal::logger('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu', 'ok');
        }
        StructureSyncHelper::logMessage('Imported "' . $menuLink['title'] . '" into "' . $menuLink['menu_name'] . '" menu');
      }
46c159
 index 50aa309..4a906e7 100755
---
 index 50aa309..ca77964 100755
58c171,177
 @@ -149,7 +149,7 @@ class TaxonomiesController extends ControllerBase {
---
 @@ -144,12 +144,12 @@ class TaxonomiesController extends ControllerBase {
        $this->config->set('taxonomies.' . $vocabulary, $taxonomies)->save();
  
        if (array_key_exists('drush', $form) && $form['drush'] === TRUE) {
 -        drush_log('Exported ' . $vocabulary, 'ok');
 +        \Drupal::logger('Exported ' . $vocabulary, 'ok');
        }
66a186,239
 @@ -311,7 +311,7 @@ class TaxonomiesController extends ControllerBase {
      }
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted taxonomies that were not in config', 'ok');
 +      \Drupal::logger('Deleted taxonomies that were not in config', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted taxonomies that were not in config');
    }
 @@ -465,7 +465,7 @@ class TaxonomiesController extends ControllerBase {
              }
  
              if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -              drush_log('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
 +              \Drupal::logger('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
              }
              StructureSyncHelper::logMessage('Imported "' . $taxonomy['name'] . '" into ' . $vid);
  
 @@ -494,7 +494,7 @@ class TaxonomiesController extends ControllerBase {
  
      StructureSyncHelper::logMessage('Flushing all caches');
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Flushing all caches', 'ok');
 +      \Drupal::logger('Flushing all caches', 'ok');
      }
  
      drupal_flush_all_caches();
 @@ -615,7 +615,7 @@ class TaxonomiesController extends ControllerBase {
                  }
  
                  if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -                  drush_log('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
 +                  \Drupal::logger('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
                  }
                  StructureSyncHelper::logMessage('Imported "' . $taxonomy['name'] . '" into ' . $vid);
  
 @@ -675,7 +675,7 @@ class TaxonomiesController extends ControllerBase {
      $controller->delete($entities);
  
      if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -      drush_log('Deleted all taxonomies', 'ok');
 +      \Drupal::logger('Deleted all taxonomies', 'ok');
      }
      StructureSyncHelper::logMessage('Deleted all taxonomies');
    }
 @@ -782,7 +782,7 @@ class TaxonomiesController extends ControllerBase {
                }
  
                if (array_key_exists('drush', $context) && $context['drush'] === TRUE) {
 -                drush_log('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
 +                \Drupal::logger('Imported "' . $taxonomy['name'] . '" into ' . $vid, 'ok');
                }
                StructureSyncHelper::logMessage('Imported "' . $taxonomy['name'] . '" into ' . $vid);
  
232a406,417
 diff --git a/structure_sync.info.yml b/structure_sync.info.yml
 index af35835..b1a6b79 100755
 --- a/structure_sync.info.yml
 +++ b/structure_sync.info.yml
 @@ -1,6 +1,7 @@
  name: 'Structure Sync'
  description: 'Tool for syncing structural data that is stored as content.'
  core: 8.x
 +core_version_requirement: ^8 || ^9
  configure: structure_sync.general.form
  dependencies:
    - drupal:taxonomy