How to upgrade from 2.8.4 to 4.3.0?

It depends on your deployment. If you look at the parse server example, you would follow these steps:

  1. In package.json change dependencies.parse-server to 4.3.0.
  2. Delete package-lock.json and node_modules folder.
  3. Run npm install.
  4. Run / deploy Parse Server as you usually would.
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