As previously announced, we are in the process of updating all outdated installations of Dynamics 365 for Marketing to the April 2019 release. We have now improved our update process to include testing on a minimal-copy support instance before we apply the update to any existing instance. We’ve updated the previous blog post with more information about this process, so please read it again for complete details.
Improved testing introduced for planned updates of Dynamics 365 for Marketing
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