Today we're releasing v3.5 of the Campaign Manager 360 API (previously DCM/DFA Reporting and Trafficking API). Highlights of this release include:release notes .Deprecation and sunset reminder In accordance with our deprecation schedule , this release marks the beginning of the depreciation period for v3.4, which will sunset on Dec 24, 2021 . After this date, any requests made against v3.4 will begin returning errors.June 30th, 2021 . After this date, all requests made to v3.3 of this API will fail. If you're still using this version, you must migrate to the most current release  to avoid an interruption in service.migration guide  for details. For most, migrating will be as easy as adopting the latest version of your preferred client library . However, all users are advised to review the release notes  to learn about important version differences you may need to be aware of.support forum .Learn More As with every new version of the Campaign Manager 360 API, we encourage you to carefully review all changes in the release notes . For those of you looking to get going right away, updated client libraries  are now available. If you're just starting out, the Get Started guide  is a great reference to help you get up and running quickly.Give it a try  and let us know  if you have any questions!