Viktor Toth focused on improving logging stability and API compatibility in the Apadmi-Engineering/Mockzilla repository during January 2025. He upgraded the Kermit logging library to version 2.0.5, addressing conflicting overloads that previously risked runtime errors. By removing the named 'tag' argument from logging calls in both ZeroConfSdkWrapper and JvmMockzilla, Viktor ensured seamless integration with the updated API. His work involved careful dependency management, targeted refactoring, and thorough verification of logging functionality across modules. Using Kotlin and leveraging his skills in logging and refactoring, Viktor delivered a focused bug fix that enhanced the reliability and maintainability of the codebase.