During April 2026, this developer contributed a security-focused feature to the facebook/fresco repository by implementing sandboxed WebP image decoding. Leveraging Android development expertise and image processing skills, they introduced a JNI-based toggle that allows teams to enable or disable sandboxed decoding as needed. The decoding pipeline was updated to route image processing through the sandboxed path when activated, reducing the vulnerability surface for Fresco-based applications. The work, written in C++ and Java, was reviewed and integrated into the main codebase, enabling an opt-in rollout strategy that supports safer image handling practices across multiple teams using Fresco.