Antonio Borneo enhanced the reliability of watchdog timers in the flipperdevices/u-boot repository by developing a feature that ensures watchdogs are properly started and pinged across all boot stages, even when autostart is disabled. He introduced the wdt_set_force_autostart helper and implemented a runtime check using SMCWD_GET_TIMELEFT to maintain active watchdogs throughout the boot process. Working primarily in C and focusing on embedded systems and driver development, Antonio consolidated watchdog management logic to reduce resets during early initialization. His work addressed a nuanced reliability issue, demonstrating depth in embedded driver design and careful attention to system stability under edge-case scenarios.