What is the Growing Files feature in the Adobe Premiere panel?

Growing File is a feature that allows users to start working on a live recording in Premiere Pro without waiting for the recording to finish. While a live stream is happening, we create an MXF file locally that keeps getting longer as new footage arrives. Premiere Pro can then use that file for editing during the live event.
- Example: An event begins at 10:00. At 10:15, the event is still in progress, but the editor wants to start creating content. Using the Growing File feature, an MXF file is created containing the footage available up to that point. The editor can import this file into Premiere Pro and begin editing immediately, while the file continues to grow as new footage is recorded throughout the event.
To create a Growing File, FFmpeg is used to convert the live stream into an MXF file that Premiere Pro can read. The file is created locally and updates as more footage becomes available.
Growing File is only available in Premiere Pro when the adobeGrowingFile feature flag is enabled. FFmpeg must also be installed and configured in Settings > MXF Growing File > paste your local FFmpeg path
- What is Homebrew and how to install it (FFmpeg)

Currently, only one Growing File can be generated at a time per panel session. If FFmpeg is not installed or the configured path is incorrect, the Growing File generation will not work.