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Expand Up @@ -46,7 +46,7 @@ If the source you intend to upgrade uses the in-domain instrumentation as well a

### Relying on Analytics.js Classic's `ajs_anonymous_id` cookie format

Analytics.js 2.0 removes inbuilt quotes from cookie values, resulting in a different format for the `ajs_anonymous_id` value when compared to Analytics.js Classic. Though you can retrieve cookie values with [standard supported functions](/docs/connections/sources/catalog/libraries/website/javascript/identity/#retrieve-the-anonymous-id), you'll need to configure your environment to accept the new format if your implementation relies on accessing the cookie value directly.
Analytics.js 2.0 removes inbuilt quotes from cookie values, resulting in a different format for the `ajs_anonymous_id` value when compared to Analytics.js Classic. Though you can retrieve cookie values with [standard supported functions](/docs/connections/sources/catalog/libraries/website/javascript/identity/#retrieve-the-anonymous-id), you'll need to configure your environment to accept the new format using the `utility` [plugin](/docs/connections/sources/catalog/libraries/website/javascript/index/#example-plugins) if your implementation relies on accessing the cookie value directly.

### Using a strict content security policy on the page

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