During January 2026, Mikhail Shubin contributed to the flipperdevices/u-boot repository by addressing a build stability issue related to cross-architecture compatibility. He fixed a 32-bit size_t format string in tools/imx8image.c, ensuring the correct length modifier was used to eliminate compiler warnings on 32-bit musl targets. This targeted patch improved the reliability of firmware image packaging and reduced noise in continuous integration pipelines. Working primarily in C and focusing on embedded systems and system programming, Mikhail demonstrated careful attention to cross-toolchain compatibility and disciplined patch management, resulting in more maintainable and repeatable build processes for U-Boot imaging workflows.