diff --git a/block_massaction.php b/block_massaction.php
index 405f7bf..80b3bd1 100644
--- a/block_massaction.php
+++ b/block_massaction.php
@@ -114,13 +114,13 @@ public function get_content(): stdClass {
 
             // Check for double instances. This usually should not be an issue, but in rare cases users manage to add
             // two blocks to the site.
-            $massactionblockscount = 0;
+            $instancecounter = 0;
             foreach ($this->page->blocks->get_regions() as $region) {
                 foreach ($this->page->blocks->get_blocks_for_region($region) as $block) {
                     if ($block instanceof block_massaction) {
-                        $massactionblockscount++;
+                        $instancecounter++;
                     }
-                    if ($massactionblockscount > 1) {
+                    if ($instancecounter > 1) {
                         $this->content = new stdClass();
                         $this->content->text = get_string('multipleinstances', 'block_massaction');
                         $this->content->footer = '';
diff --git a/classes/actions.php b/classes/actions.php
index 0d744ae..8b29536 100644
--- a/classes/actions.php
+++ b/classes/actions.php
@@ -251,7 +251,7 @@ public static function duplicate_to_course(array $modules, int $targetcourseid,
         \core\di::get(\core\hook\manager::class)->dispatch($filtersectionshook);
         $filteredsections = $filtersectionshook->get_sectionnums();
 
-        if ($targetsectionnum == -1 && !$filtersectionshook->is_keeporiginalsectionallowed()) {
+        if ($targetsectionnum == -1 && !$filtersectionshook->is_originsectionkept()) {
             // The course modules should be in the same section number as in the original course. However, the hook listener(s)
             // disabled this option, so we cancel the operation.
             // This is only a security measure and should not happen unless someone manipulates the UI.
@@ -265,7 +265,7 @@ public static function duplicate_to_course(array $modules, int $targetcourseid,
         }
 
         $canaddsection = has_capability('moodle/course:update', context_course::instance($targetcourseid))
-            && $filtersectionshook->is_createnewsectionallowed();
+            && $filtersectionshook->is_makesectionallowed();
 
         // If a new section (that means that $sectionnum of the user is higher than $targetsectionnum), we create one.
         if ($sectionnum > $targetsectionnum) {
@@ -321,12 +321,12 @@ public static function duplicate_to_course(array $modules, int $targetcourseid,
         $errors = [];
         $filtersectionshook = new filter_sections_same_course($sourcecourseid, array_keys($sourcemodinfo->get_section_info_all()));
         \core\di::get(\core\hook\manager::class)->dispatch($filtersectionshook);
-        $sourcefilteredsections = $filtersectionshook->get_sectionnums();
+        $srcfilteredsections = $filtersectionshook->get_sectionnums();
 
         foreach ($idsincourseorder as $cmid) {
             $sourcecm = $sourcemodinfo->get_cm($cmid);
             // Not duplicated if the section is restricted.
-            if (!in_array($sourcecm->sectionnum, $sourcefilteredsections)) {
+            if (!in_array($sourcecm->sectionnum, $srcfilteredsections)) {
                 throw new moodle_exception('sectionrestricted', 'block_massaction', '', $sourcecm->sectionnum);
             }
 
diff --git a/classes/form/section_select_form.php b/classes/form/section_select_form.php
index 0e2dc09..7364120 100644
--- a/classes/form/section_select_form.php
+++ b/classes/form/section_select_form.php
@@ -106,7 +106,7 @@ public function definition() {
 
         // Check for permissions.
         $canaddsection = has_capability('moodle/course:update', \context_course::instance($targetcourseid))
-            && $filtersectionshook->is_createnewsectionallowed();
+            && $filtersectionshook->is_makesectionallowed();
 
         // Find maximum section that may need to be created.
         $massactionrequest = $this->_customdata['request'];
@@ -118,7 +118,7 @@ public function definition() {
 
         $radioarray = [];
         // If user can add sections in target course or don't need to be able to.
-        if (($canaddsection || $srcmaxsectionnum <= $targetsectionnum) && $filtersectionshook->is_keeporiginalsectionallowed()) {
+        if (($canaddsection || $srcmaxsectionnum <= $targetsectionnum) && $filtersectionshook->is_originsectionkept()) {
             // We add the default value: Restore each course module to the section number it has in the source course.
             $radioarray[] = $mform->createElement('radio', 'targetsectionnum', '',
             get_string('keepsectionnum', 'block_massaction'), -1, ['class' => 'mt-2']);
diff --git a/classes/hook/filter_sections_different_course.php b/classes/hook/filter_sections_different_course.php
index 984e4e5..614c7d8 100644
--- a/classes/hook/filter_sections_different_course.php
+++ b/classes/hook/filter_sections_different_course.php
@@ -34,16 +34,16 @@ class filter_sections_different_course {
     use filter_sections_handler;
 
     /** @var bool Determines if the user will be able to keep the original section of a course module when performing some operations. */
-    private bool $keeporiginalsectionallowed = true;
+    private bool $originsectionkept = true;
 
     /** @var bool Determines if the user will be able to create a new section when performing some operations. */
-    private bool $createnewsectionallowed = true;
+    private bool $makesectionallowed = true;
 
     /**
      * Disables the option to keep the original section of a course module.
      */
-    public function disable_keeporiginalsection(): void {
-        $this->keeporiginalsectionallowed = false;
+    public function disable_originsectionkept(): void {
+        $this->originsectionkept = false;
     }
 
     /**
@@ -53,15 +53,15 @@ public function disable_keeporiginalsection(): void {
      *
      * @return bool if the user will be allowed to keep the original section of the course modules
      */
-    public function is_keeporiginalsectionallowed(): bool {
-        return $this->keeporiginalsectionallowed;
+    public function is_originsectionkept(): bool {
+        return $this->originsectionkept;
     }
 
     /**
      * Disables the option to create a new section.
      */
-    public function disable_createnewsection(): void {
-        $this->createnewsectionallowed = false;
+    public function disable_makesection(): void {
+        $this->makesectionallowed = false;
     }
 
     /**
@@ -71,7 +71,7 @@ public function disable_createnewsection(): void {
      *
      * @return bool if the user will be allowed to create a new section
      */
-    public function is_createnewsectionallowed(): bool {
-        return $this->createnewsectionallowed;
+    public function is_makesectionallowed(): bool {
+        return $this->makesectionallowed;
     }
 }
diff --git a/db/upgrade.php b/db/upgrade.php
index 1421eb3..0298aa4 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -56,7 +56,6 @@ function xmldb_block_massaction_upgrade($oldversion, $block): bool {
  * @throws dml_exception
  */
 function block_massaction_add_supported_format(string $addformat): void {
-    global $DB;
 
     // Get current settings to update.
     $selectedformats = get_config('block_massaction', 'applicablecourseformats');
@@ -90,7 +89,6 @@ function block_massaction_add_supported_format(string $addformat): void {
  * @throws dml_exception
  */
 function block_massaction_remove_supported_format(string $removeformat): void {
-    global $DB;
 
     // Get current settings to update.
     $selectedformats = get_config('block_massaction', 'applicablecourseformats');
diff --git a/version.php b/version.php
index 82e787c..3ef0dd1 100644
--- a/version.php
+++ b/version.php
@@ -24,8 +24,8 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version = 2024011602;
+$plugin->version = 2024050700;
 $plugin->requires  = 2023100900;
 $plugin->component = 'block_massaction';
-$plugin->maturity = MATURITY_ALPHA;
+$plugin->maturity = MATURITY_STABLE;
 $plugin->release = 'v7.3.1';