brewblox-proto (BrewBlox)FirmwareConfidence: Medium
a Spark 3's 5V supply is switched off to power-cycle peripherals but the field was marked stored, so a controller rebooting in that moment came back with the supply off and stayed that way.
From the Grok pain-radar digest, Oct 25-26 2026 (Oct 25 daytime to Oct 26 morning slots). Verified live 2026-10-26: issue/PR read on GitHub; title and state confirmed.