diff --git a/scripts/langindex.json b/scripts/langindex.json
index 79aa4ffe2..f4b615cda 100644
--- a/scripts/langindex.json
+++ b/scripts/langindex.json
@@ -1188,6 +1188,7 @@
   "core.courses.errorselfenrol": "local_moodlemobileapp",
   "core.courses.filtermycourses": "local_moodlemobileapp",
   "core.courses.frontpage": "admin",
+  "core.courses.hidecourse": "block_myoverview",
   "core.courses.mycourses": "moodle",
   "core.courses.mymoodle": "admin",
   "core.courses.nocourses": "my",
@@ -1203,6 +1204,7 @@
   "core.courses.searchcoursesadvice": "local_moodlemobileapp",
   "core.courses.selfenrolment": "local_moodlemobileapp",
   "core.courses.sendpaymentbutton": "enrol_paypal",
+  "core.courses.show": "block_myoverview",
   "core.courses.totalcoursesearchresults": "local_moodlemobileapp",
   "core.currentdevice": "local_moodlemobileapp",
   "core.datastoredoffline": "local_moodlemobileapp",
diff --git a/src/addon/block/recentlyaccessedcourses/components/recentlyaccessedcourses/recentlyaccessedcourses.ts b/src/addon/block/recentlyaccessedcourses/components/recentlyaccessedcourses/recentlyaccessedcourses.ts
index 9f1b3d64d..d81c2fc07 100644
--- a/src/addon/block/recentlyaccessedcourses/components/recentlyaccessedcourses/recentlyaccessedcourses.ts
+++ b/src/addon/block/recentlyaccessedcourses/components/recentlyaccessedcourses/recentlyaccessedcourses.ts
@@ -15,6 +15,7 @@
 import { Component, OnInit, OnDestroy, Injector } from '@angular/core';
 import { CoreEventsProvider } from '@providers/events';
 import { CoreUtilsProvider } from '@providers/utils/utils';
+import { CoreSitesProvider } from '@providers/sites';
 import { CoreCoursesProvider } from '@core/courses/providers/courses';
 import { CoreCoursesHelperProvider } from '@core/courses/providers/helper';
 import { CoreCourseHelperProvider } from '@core/course/providers/helper';
@@ -40,13 +41,15 @@ export class AddonBlockRecentlyAccessedCoursesComponent extends CoreBlockBaseCom
     protected prefetchIconsInitialized = false;
     protected isDestroyed;
     protected updateSiteObserver;
+    protected coursesObserver;
     protected courseIds = [];
     protected fetchContentDefaultError = 'Error getting recent courses data.';
 
     constructor(injector: Injector, private coursesProvider: CoreCoursesProvider,
             private courseCompletionProvider: AddonCourseCompletionProvider, private eventsProvider: CoreEventsProvider,
             private courseHelper: CoreCourseHelperProvider, private utils: CoreUtilsProvider,
-            private courseOptionsDelegate: CoreCourseOptionsDelegate, private coursesHelper: CoreCoursesHelperProvider) {
+            private courseOptionsDelegate: CoreCourseOptionsDelegate, private coursesHelper: CoreCoursesHelperProvider,
+            private sitesProvider: CoreSitesProvider) {
 
         super(injector, 'AddonBlockRecentlyAccessedCoursesComponent');
     }
@@ -67,7 +70,11 @@ export class AddonBlockRecentlyAccessedCoursesComponent extends CoreBlockBaseCom
                 // Download all courses is enabled now, initialize it.
                 this.initPrefetchCoursesIcons();
             }
-        });
+        }, this.sitesProvider.getCurrentSiteId());
+
+        this.coursesObserver = this.eventsProvider.on(CoreCoursesProvider.EVENT_MY_COURSES_UPDATED, () => {
+            this.refreshContent();
+        }, this.sitesProvider.getCurrentSiteId());
 
         super.ngOnInit();
     }
@@ -147,6 +154,7 @@ export class AddonBlockRecentlyAccessedCoursesComponent extends CoreBlockBaseCom
      */
     ngOnDestroy(): void {
         this.isDestroyed = true;
+        this.coursesObserver && this.coursesObserver.off();
         this.updateSiteObserver && this.updateSiteObserver.off();
     }
 }
diff --git a/src/core/courses/components/course-progress/course-progress.ts b/src/core/courses/components/course-progress/course-progress.ts
index 6e4ac089d..09c9167c9 100644
--- a/src/core/courses/components/course-progress/course-progress.ts
+++ b/src/core/courses/components/course-progress/course-progress.ts
@@ -68,6 +68,7 @@ export class CoreCoursesCourseProgressComponent implements OnInit, OnDestroy {
             this.initPrefetchCourse();
         }
 
+        // This field is only available from 3.6 onwards.
         this.courseOptionMenuEnabled = typeof this.course.isfavourite != 'undefined';
 
         // Refresh the enabled flag if site is updated.
@@ -203,7 +204,8 @@ export class CoreCoursesCourseProgressComponent implements OnInit, OnDestroy {
     protected setCourseHidden(hide: boolean): void {
         this.showSpinner = true;
 
-        this.userProvider.updateUserPreference('block_myoverview_hidden_course_' + this.course.id, hide ? 1 : false).then(() => {
+        // We should use null to unset the preference.
+        this.userProvider.updateUserPreference('block_myoverview_hidden_course_' + this.course.id, hide ? 1 : null).then(() => {
             this.course.hidden = hide;
             this.eventsProvider.trigger(
                 CoreCoursesProvider.EVENT_MY_COURSES_UPDATED, {course: this.course}, this.sitesProvider.getCurrentSiteId());
diff --git a/src/core/courses/pages/dashboard/dashboard.ts b/src/core/courses/pages/dashboard/dashboard.ts
index 51a52a9e7..591b5fec5 100644
--- a/src/core/courses/pages/dashboard/dashboard.ts
+++ b/src/core/courses/pages/dashboard/dashboard.ts
@@ -69,7 +69,7 @@ export class CoreCoursesDashboardPage implements OnDestroy {
         this.updateSiteObserver = this.eventsProvider.on(CoreEventsProvider.SITE_UPDATED, () => {
             this.searchEnabled = !this.coursesProvider.isSearchCoursesDisabledInSite();
             this.loadSiteName();
-        });
+        }, this.sitesProvider.getCurrentSiteId());
 
         const promises = [];