Since Viber 12.0 (2022), the app uses -based delta updates, reducing average update size from ~180MB to ~35MB. This is critical for users with metered connections in emerging markets.
In March 2025, a vulnerability in Viber’s GIF parser (CVE-2025-0789) allowed remote code execution. Viber bypassed the standard update cycle and pushed a forced patch within 14 hours. The delta update mechanism saved bandwidth for 800M users. viber update
The most noticeable change is the UI overhaul. Viber has streamlined the navigation bar and introduced a cleaner color palette. The goal is to reduce visual clutter, making it easier to find your "Chats," "Calls," and "More" tabs without confusion. Since Viber 12
Best for: Engaging with a general audience and highlighting exciting new features. Viber bypassed the standard update cycle and pushed
The EU’s Digital Services Act (DSA) requires that any update removing a feature (e.g., disappearing messages) must be notified 30 days in advance. Viber’s current update model does not accommodate this, suggesting a future process change.