DCPL-2626 - REST API Browser is no longer installed with modern versions of developer toolbox. It's been replaced with REST API documentation for each product on developer.atlassian.com
DCPL-2626 - Felix Web Console no longer installed with the 2025 DC product versions because it's incompatible, offers less information than UPM's OSGi feature and Plugin Viewer (both installed by default). It can still be setup manually using pluginArtifacts