While Waves has since released many newer versions, V9 remains a critical "legacy" version for several reasons: Waves Ultimate: Plugin Subscriptions

The update delivered faster plugin scanning, loading times, and overall processing efficiency compared to previous versions.

The Waves Update Plan (WUP) is the company’s controversial annual fee to keep plugins current. With , many users bought perpetual licenses before WUP became aggressively enforced. If you own a V9 license, you can install and authorize it today without paying a cent more. For home studios on a budget, this is the holy grail.