The “SPL” group’s update probably involves:

The final elements of the string——are operational terms used within modern file indexing ecosystems.

: These often refer to the format or the inclusion of bonus content (like a "Loaded" special edition). Recommendations for Finding This Content

In digital preservation and archival networks, independent encoding teams (often designated by three-letter acronyms like SPL) compete to upload the cleanest, most efficient versions of historical media. When an older file suffers from broken audio tracks, poor color grading, or missing scenes, an encoder will issue a patch. Labeling the file as flags to archival software and index users that this file should supersede all previous iterations located on their storage arrays.

Understanding the Digital Archiving and Preservation of Rare 2000s Adult Cinema