Limitations

The following limitations apply to the Measurement Protocol for Google Analytics 4:

Google Analytics change history does not reflect all API secret activities.
Conversion export to Google Ads is not always complete.
Conversion attribution in Google Analytics sometimes innaccurately shows (not set).
user_id requires both client-side and Measurement Protocol events to include the user_id.

These limitations will be addressed before a general availability launch.

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Last updated 2021-07-15 UTC.