Third Party Cookie support in SApp 220.6 (only for iOS 12)
Trailblazer Community

Third Party Cookie support in SApp 220.6 (only for iOS 12)

Mobile , VisualForce

Last updated 2021-01-28 ·Reference W-6585314 ·Reported By 20 users

In Review

Salesforce App regressed some of the client's capabilities in a patch of 220 release to set cookies in iframe for customer's component. We're observing customer implementation issues due to not being able to set cookies when requests are in internal frames. WKWebView by default only allows requests from main-frame to set cookies. Our fix would work on iOS 12 only. The fix for this regression would be part of 222 GA. It is very likely that customers would also run into this issue with iOS 13. If you are running into this issue on iOS 13, please refer to KB on iOS 13 (link) cookie management.

Please also see more information on how this will affect iOS 13 users:

1.) Create a Simple VF page with the following code:

<apex:page docType="html-5.0" applyHtmlTag="false" applyBodyTag="false" showHeader="false" sidebar="false"
standardStylesheets="false" title="Unused Title">
<title>HTML5 Container Page</title>
function google() {
var script = document.createElement('script');
script.src =
<button onclick="google()">google</button>

2.) When you click the [google] button, JS call google, and google return the response with "set-cookie" header.
3.) When you click the [google] button again, second request should use cookie.
-However from v220.1, cookie is not sent when you click [google]..

The fix for iOS 12 issue would be part of 222 GA of Salesforce Mobile App.
The fix would be available in beta 4 to the customers this week. (10/23-10/27)

Please see the following for more information related to the BETA program:

Is it Fixed?

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