April 2026 monthly summary Key feature delivered: - Implemented a new Linux-specific socket option SO_DETACH_REUSEPORT_BPF to detach BPF programs from reusable ports, improving efficiency and manageability of BPF-based port reuse. Change landed via commit 95c957237dcad9096ba26d712ca3e3aacc16e8de (linux: add SO_DETACH_REUSEPORT_BPF). Major bugs fixed: - No major bugs fixed this month. Overall impact and accomplishments: - Adds a targeted capability to detach BPF programs from reusable ports, reducing runtime overhead in high-concurrency networking workloads and enabling more scalable port reuse. - Demonstrates end-to-end capability to extend libc with Linux kernel interfaces, including careful commit hygiene and alignment with existing socket option patterns. - Sets the groundwork for future BPF-based networking features and improved maintainability of BPF reuse workflows. Technologies/skills demonstrated: - Linux networking / socket options surface, BPF integration, libc bindings, Rust/C interoperability, kernel interface augmentation, commit-based change tracking.