During July 2025, this developer focused on improving the stability and maintainability of the ossrs/ffmpeg-webrtc repository by addressing a compiler warning related to conditional compilation in C. They restructured the decoder handling logic in libavformat/mov.c to ensure that when H261, H263, and MPEG4 decoders are disabled, unreachable code is eliminated and build-time warnings are resolved. Their work centered on build systems and compiler warnings, enhancing code correctness and reducing maintenance risks in scenarios where certain decoders are not included. This targeted bug fix improved both build reliability and runtime behavior, reflecting careful attention to code quality and maintainability.