In its official documentation, version 1.1.0 introduced specific features for backing up, restoring, and transferring WhatsApp data between iOS devices and PCs.
Security researchers sometimes publish "papers" or "proof-of-concept" (PoC) reports on specific software versions if they discover vulnerabilities like DLL Hijacking or Insecure Permissions .
Instead, "1.1.0" often appears in technical databases in the context of security research. Specifically: