February 2026 monthly summary for systemd/particleos: Focused on strengthening developer onboarding and secure signing workflows. Delivered a comprehensive documentation enhancement for YubiKey PIV signing keys, including concrete workflows for key generation and mkosi.local.conf configuration to enable hardware-backed signing with clear guidance. No major bugs fixed this month; maintenance focused on improving docs and configuration guidance. Impact: reduced onboarding time, clearer signing procedures, and a reusable reference template for future HSM/documentation work. Technologies/skills demonstrated: security hardware (YubiKey PIV), mkosi/build tooling, README documentation craftsmanship, end-to-end example-driven documentation, and robust commit hygiene.

January 2026 performance summary: Delivered storage efficiency and reliability improvements across two repositories. Implemented QCOW2 support in VMSpawn to enable sparse and compressed disks for main and extra disks, updating CLI options and internal structures to support the new format, resulting in better storage utilization and deployment flexibility. Fixed bash completion formatting for systemd-vmspawn to ensure robust argument parsing, reducing user friction. Optimized verity tree data partition sizing to cap disk usage and align with existing configs, lowering post-install footprint. These contributions improve deployment consistency, reduce operational costs, and demonstrate strong cross-repo collaboration and software craftsmanship.