diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 54d49f357..434d6925b 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -191,6 +191,11 @@ export class MoodleMobileApp implements OnInit {
                     return;
                 }
 
+                if (!this.urlSchemesProvider.isCustomURL(url)) {
+                    // Not a custom URL, ignore.
+                    return;
+                }
+
                 this.logger.debug('App launched by URL ', url);
 
                 this.lastUrls[url] = Date.now();
diff --git a/src/components/iframe/iframe.ts b/src/components/iframe/iframe.ts
index 58e63b551..c4969b4f4 100644
--- a/src/components/iframe/iframe.ts
+++ b/src/components/iframe/iframe.ts
@@ -99,7 +99,7 @@ export class CoreIframeComponent implements OnInit, OnChanges {
         if (changes.src) {
             const url = this.urlUtils.getYoutubeEmbedUrl(changes.src.currentValue) || changes.src.currentValue;
 
-            if (this.platform.is('ios')) {
+            if (this.platform.is('ios') && !this.urlUtils.isLocalFileUrl(url)) {
                 // Save a "fake" cookie for the iframe's domain to fix a bug in WKWebView.
                 try {
                     const win = <WKWebViewCookiesWindow> window;
diff --git a/src/core/user/components/participants/participants.ts b/src/core/user/components/participants/participants.ts
index 23e8fb2e5..342fbea50 100644
--- a/src/core/user/components/participants/participants.ts
+++ b/src/core/user/components/participants/participants.ts
@@ -143,7 +143,10 @@ export class CoreUserParticipantsComponent implements OnInit {
     toggleSearch(): void {
         this.showSearchBox = !this.showSearchBox;
 
-        if (!this.showSearchBox && this.displaySearchResults) {
+        if (this.showSearchBox) {
+            // Make search bar visible.
+            this.domUtils.scrollToTop(this.content);
+        } else if (!this.showSearchBox && this.displaySearchResults) {
             this.clearSearch();
         }
     }