
Worked on the astral-sh/python-build-standalone repository to deliver a comprehensive upgrade to OpenSSL 3.5 across all supported builds, focusing on modernizing the build pipeline and improving cross-platform compatibility. The approach involved updating build tooling and continuous integration workflows to support the new OpenSSL API, removing outdated OpenSSL 3.0 configurations, and hardening the build system. Enhanced cross-compilation support by ensuring C++ compilers were available in Docker-based build environments and addressed architecture-specific issues, such as RISC-V vlenb CSR handling and raising the minimum s390x architecture level. Utilized Bash, Makefile, and Docker to implement these changes efficiently and securely.
September 2025 monthly summary for astral-sh/python-build-standalone: Delivered a comprehensive OpenSSL 3.5 upgrade across all builds, refreshed tooling and CI to support the newer API surface, and eliminated obsolete OpenSSL 3.0 configurations to simplify the pipeline. Implemented build-system hardening and cross-platform improvements, including NASM 2.16.03 and cross-compiling patches. Expanded cross-compiling support by ensuring a C++ compiler is available in the cross-compile Docker images and patched RISC-V builds to address vlenb CSR addressing. Increased minimum arch-level to s390x z10 to improve compatibility and security posture.
September 2025 monthly summary for astral-sh/python-build-standalone: Delivered a comprehensive OpenSSL 3.5 upgrade across all builds, refreshed tooling and CI to support the newer API surface, and eliminated obsolete OpenSSL 3.0 configurations to simplify the pipeline. Implemented build-system hardening and cross-platform improvements, including NASM 2.16.03 and cross-compiling patches. Expanded cross-compiling support by ensuring a C++ compiler is available in the cross-compile Docker images and patched RISC-V builds to address vlenb CSR addressing. Increased minimum arch-level to s390x z10 to improve compatibility and security posture.

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