This indicates an unofficial, repackaged portable build distributed in a compressed archive.

The "upd" suffix in searches usually refers to a "v2" or a "fixed" version of that specific repack. Sometimes the initial repack of 5.4.3.1923 had bugs—such as the "watermark" appearing unexpectedly—and the "upd" version signifies that these issues have been patched by the community. Risks and Considerations