Many vendors apps will be affected by these changes. However, all we have done so far is published a notice of the changes that are being planned. No changes have been implemented at this time.
You can read more about the plans for these changes here
Unfortunately, until we announce what those changes are and how to update your app we will not remove the user_key until there has been a grace period to allow you to change over. Additionally, no one will be able to guide you on how they are handling this change as there is nothing to change to as of yet.
We’re being overly communitive on these changes as it will have an impact and to prepare you for this change.
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