Deployment pipelines do not currently support Dataflows. In our organisation, we want to carefully govern a particular workspace which will contain the common dataflows which people want to use in many reports (e.g. a dates table, a list of active employees (GDPR permitting, etc).

Deployment pipelines will enable us to put the right governance in place for Dataflows.
merged ideas 1 Merged Idea

Deployment pipelines now supports dataflows as preview.
Please check out the docs- Get started using deployment pipelines, the Power BI Application lifecycle management (ALM) tool - Power BI | Microsoft Docs


Its surprising to know Release pipelines do not support Dataflows.
we need the ability to deploy json script from one deployment stage to next.
Also, the support for parameter is required, so that parameter for Datasource within a Dataflow could be pointed correct DB when moved to next stage