Worked on maintaining bootloader stability for the nrfconnect/sdk-nrf repository by addressing a critical issue in the build system configuration. Focused on mitigating boot failure risks, the developer reverted the sdk-mcuboot revision in the west.yml file, effectively undoing a problematic bootloader update. This approach ensured that the boot sequence remained stable and aligned with the current MCU flow, preserving release readiness without introducing feature regressions. The work involved careful validation of the build and boot process after the change, with thorough documentation of the rationale in commit notes. Utilized YAML for configuration management and demonstrated attention to release stability.