Month: 2025-05 — Focused on cross-platform compatibility and tooling resilience in gem5/gem5. Delivered a cross-platform update to upstream_msg_filter.sed to run reliably on macOS by updating the shebang to /usr/bin/env -S sed -f and ensuring the script locates the sed executable regardless of installation path; also updated the copyright year to reflect recent changes. No major bugs fixed this month; the primary value delivered is improved macOS support, reducing platform-specific build and contributor friction and laying groundwork for broader macOS CI coverage.

January 2025 monthly summary for gem5/gem5 focusing on reliability and build stability. Implemented ASAN build isolation for gem5py to allow ASAN-enabled main builds while keeping the gem5py interpreter non-ASAN, preventing cross-interference and spurious failures. Updated SConstruct to prevent gem5py memory leaks from causing build failures, reducing flaky CI and rebuild cycles. Key outcomes include improved build reliability for ASAN workflows, reduced maintenance overhead from sporadic gem5py-related build breaks, and clearer separation of sanitization concerns between components.