diff --git a/jslib b/jslib
index 9950fb42a1..5b7b2a03dd 160000
--- a/jslib
+++ b/jslib
@@ -1 +1 @@
-Subproject commit 9950fb42a15bad434a4b404419ff4a87af67a27b
+Subproject commit 5b7b2a03ddbecbc93adc54a5c69e8141c00c192f
diff --git a/src/app/polyfills.ts b/src/app/polyfills.ts
index 28df461ccc..0691f05659 100644
--- a/src/app/polyfills.ts
+++ b/src/app/polyfills.ts
@@ -1,11 +1,6 @@
 import "core-js/stable";
 require("zone.js/dist/zone");
 
-// IE11 fix, ref: https://github.com/angular/angular/issues/24769
-if (!Element.prototype.matches && (Element.prototype as any).msMatchesSelector) {
-  Element.prototype.matches = (Element.prototype as any).msMatchesSelector;
-}
-
 if (process.env.NODE_ENV === "production") {
   // Production
 } else {
diff --git a/src/app/send/access.component.ts b/src/app/send/access.component.ts
index 1bf4b9e588..2665f28bf9 100644
--- a/src/app/send/access.component.ts
+++ b/src/app/send/access.component.ts
@@ -6,6 +6,7 @@ import { CryptoService } from "jslib-common/abstractions/crypto.service";
 import { CryptoFunctionService } from "jslib-common/abstractions/cryptoFunction.service";
 import { I18nService } from "jslib-common/abstractions/i18n.service";
 import { PlatformUtilsService } from "jslib-common/abstractions/platformUtils.service";
+import { SEND_KDF_ITERATIONS } from "jslib-common/enums/kdfType";
 import { SendType } from "jslib-common/enums/sendType";
 import { Utils } from "jslib-common/misc/utils";
 import { SendAccess } from "jslib-common/models/domain/sendAccess";
@@ -140,7 +141,7 @@ export class AccessComponent implements OnInit {
         this.password,
         keyArray,
         "sha256",
-        100000
+        SEND_KDF_ITERATIONS
       );
       this.accessRequest.password = Utils.fromBufferToB64(passwordHash);
     }
diff --git a/src/app/settings/change-kdf.component.html b/src/app/settings/change-kdf.component.html
index ebd616f1f5..82cd56b1c9 100644
--- a/src/app/settings/change-kdf.component.html
+++ b/src/app/settings/change-kdf.component.html
@@ -61,7 +61,7 @@
     <div class="col-12">
       <div class="form-group">
         <div class="small form-text text-muted">
-          <p>{{ "kdfIterationsDesc" | i18n: (100000 | number) }}</p>
+          <p>{{ "kdfIterationsDesc" | i18n: (recommendedKdfIterations | number) }}</p>
           <strong>{{ "warning" | i18n }}</strong
           >: {{ "kdfIterationsWarning" | i18n: (50000 | number) }}
         </div>
diff --git a/src/app/settings/change-kdf.component.ts b/src/app/settings/change-kdf.component.ts
index beef67bbb8..dcc268ac7c 100644
--- a/src/app/settings/change-kdf.component.ts
+++ b/src/app/settings/change-kdf.component.ts
@@ -7,7 +7,7 @@ import { LogService } from "jslib-common/abstractions/log.service";
 import { MessagingService } from "jslib-common/abstractions/messaging.service";
 import { PlatformUtilsService } from "jslib-common/abstractions/platformUtils.service";
 import { StateService } from "jslib-common/abstractions/state.service";
-import { KdfType } from "jslib-common/enums/kdfType";
+import { DEFAULT_KDF_ITERATIONS, KdfType } from "jslib-common/enums/kdfType";
 import { KdfRequest } from "jslib-common/models/request/kdfRequest";
 
 @Component({
@@ -20,6 +20,7 @@ export class ChangeKdfComponent implements OnInit {
   kdf = KdfType.PBKDF2_SHA256;
   kdfOptions: any[] = [];
   formPromise: Promise<any>;
+  recommendedKdfIterations = DEFAULT_KDF_ITERATIONS;
 
   constructor(
     private apiService: ApiService,
diff --git a/src/services/webPlatformUtils.service.ts b/src/services/webPlatformUtils.service.ts
index 9132479b47..0c9b56fae1 100644
--- a/src/services/webPlatformUtils.service.ts
+++ b/src/services/webPlatformUtils.service.ts
@@ -85,10 +85,6 @@ export class WebPlatformUtilsService implements PlatformUtilsService {
     return this.getDevice() === DeviceType.SafariBrowser;
   }
 
-  isIE(): boolean {
-    return this.getDevice() === DeviceType.IEBrowser;
-  }
-
   isMacAppStore(): boolean {
     return false;
   }
@@ -139,26 +135,23 @@ export class WebPlatformUtilsService implements PlatformUtilsService {
         blobOptions.type = type;
       }
     }
-    if (blobOptions != null && !this.isIE()) {
+    if (blobOptions != null) {
       blob = new Blob([blobData], blobOptions);
     } else {
       blob = new Blob([blobData]);
     }
-    if (navigator.msSaveOrOpenBlob) {
-      navigator.msSaveBlob(blob, fileName);
-    } else {
-      const a = win.document.createElement("a");
-      if (doDownload) {
-        a.download = fileName;
-      } else if (!this.isSafari()) {
-        a.target = "_blank";
-      }
-      a.href = URL.createObjectURL(blob);
-      a.style.position = "fixed";
-      win.document.body.appendChild(a);
-      a.click();
-      win.document.body.removeChild(a);
+
+    const a = win.document.createElement("a");
+    if (doDownload) {
+      a.download = fileName;
+    } else if (!this.isSafari()) {
+      a.target = "_blank";
     }
+    a.href = URL.createObjectURL(blob);
+    a.style.position = "fixed";
+    win.document.body.appendChild(a);
+    a.click();
+    win.document.body.removeChild(a);
   }
 
   getApplicationVersion(): Promise<string> {