Dataflow Gen1 officially marked as Legacy today — Pro users left with no migration path unless they pay for Fabric

Summary

Microsoft just published a blog post today (April 2, 2026) titled “Dataflows: Thank you for eight years of Gen1—and why Gen2 is the future” by Miguel Llopis. Here’s the TL;DR: ∙ Dataflow Gen1 is now officially Legacy. No new features, limited support going forward. ∙ Retirement dates are “being finalized.” Premium customers will get 12 months’ notice. ∙ For Pro and PPU users? No timeline commitment — just a “strong recommendation” to move to Gen2. ∙ All future investment goes to Gen2 only. He...