Dmitry Belov focused on build system simplification for the canonical/identity-platform-login-ui and canonical/identity-platform-admin-ui repositories. He removed explicit GO111MODULE handling from CI workflows and Makefiles, aligning the build process with Go 1.13+ where modules are enabled by default. This technical approach reduced configuration drift and streamlined CI/CD pipelines, making the build environment more maintainable and reliable. Dmitry utilized Makefile and YAML to update automation scripts, ensuring that redundant settings were eliminated without impacting user-facing features. The work demonstrated a targeted effort to modernize build automation practices, though it did not involve new features or bug fixes during this period.