Kong Gateway 3.9.x breaking changes

Before upgrading, review any configuration or breaking changes in this version and prior versions that affect your current installation.

You may need to adopt different upgrade paths depending on your deployment methods, set of features in use, or custom plugins, for example.

Review the changelog for all the changes in this release.

Breaking changes and deprecations

Node ID deprecation in kong.conf

Manually specifying a node_id via Kong configuration (kong.conf) is deprecated. The node_id parameter is planned to be removed in 4.x.