Labeled needs-changelog pull ellswift: fix overflow flag handling in secp256k1_ellswift_xdh #1821 ghost on February 11, 2026 bugneeds-changelog pull Make SHA256 compression runtime pluggable #1777 furszy on November 27, 2025 featurebuildperformanceneeds-changelog pull Don't #include standard library headers unconditionally #1461 real-or-random on December 13, 2023 buildneeds-changelogtweak/refactor