Red Giant (now Maxon) no longer sells version 4 licenses. However:
While the auto-detection is great, keeping your footage organized by "Day" or "Scene" folders helps the algorithm process data faster.
Version 4.1.1 brought notable refinements over its predecessors. It introduced improved handling of variable frame rates, a common nuisance for DSLR shooters, and enhanced its “multicam” capabilities, allowing synchronization of up to 200 clips in a single batch. Crucially, 4.1.1 significantly reduced the number of false positives, a problem that plagued earlier versions where similar ambient noise (like rain or traffic) could confuse the algorithm. The software’s ability to automatically group clips by timecode proximity or file creation date further streamlined the process, transforming what could take an assistant editor a full day into a lunch-break task. Red Giant PluralEyes 4.1.1
: Resolved software hangs that occurred during the "Sending media to PluralEyes" step when using the Adobe Premiere Pro extension videoguys.com Increased Stability
Despite its prowess, PluralEyes 4.1.1 was not without flaws. The most persistent criticism was its handling of long, continuous takes with minimal variation in audio—such as a static interview. In such cases, the algorithm could produce “drift,” where sync would gradually slip over a 30-minute clip because of minor discrepancies in the camera and recorder’s internal clock speeds. Version 4.1.1 added a “Drift Correction” feature, but it was not always reliable, often requiring manual adjustments with a slate at the head and tail of the take. Red Giant (now Maxon) no longer sells version 4 licenses
Unlike earlier versions that required complex settings, 4.1 analyzes your footage and automatically applies the best synchronization options with a single click.
: It automatically identifies and fixes "audio drift," which occurs when sound and video slowly lose sync over long recordings. Version 4.1 introduces the ability to toggle drift correction off to save processing time on projects where drift is minimal. It introduced improved handling of variable frame rates,
If you are a professional editor working on modern M2/M3 Macs, look for or the newer Red Giant Shutter , which succeeded the product line. However, if you maintain a "legacy rig" for older client projects, PluralEyes 4.1.1 is a rock-solid workhorse.