generated: '2026-09-06' method: searched source: https://github.com/AcadiaSoft/simm-lib/tags plus the dated "Updates" section of https://github.com/AcadiaSoft/simm-lib/blob/master/README.md subject: simm-lib — Acadia's ISDA SIMM implementation. THIS IS NOT AN API CHANGELOG. Acadia publishes no public API and therefore no API changelog; what follows is the dated, versioned release history of its one public software artifact. scheme: semver-ish (major.minor.patch, tracking the ISDA SIMM methodology version) current_version: 2.5.0 current_version_date: '2022-09-19' format: git tags + a hand-maintained Updates section in the README url: https://github.com/AcadiaSoft/simm-lib/tags github_releases_published: false github_releases_note: The repository has ZERO published GitHub Releases; the eight version tags carry no release notes, so the README Updates section is the only prose changelog and it covers only the most recent version. entries: - version: 2.5.0 date: '2022-09-19' breaking: false additions: - Full recalibration and industry backtesting of the SIMM methodology to v2.5 - Passing one-day benchmarks for v2.5 under the Simmple module across multiple applicable regulations, in both Segregated and Unsegregated modes - Passing ten-day benchmarks for v2.5 under the same conditions highlight: Tracks the ISDA SIMM v2.5 recalibration. - version: 2.4.0.1 date: '2021-10-01' breaking: false fixes: - 'ISSUE-17: fixed a typo in the FX Correlation' highlight: Patch release; the newest version JitPack has ever built successfully. - version: 2.4.0 date: '2021-09-28' breaking: false highlight: SIMM v2.4 methodology update. - version: 2.3.0 date: '2020-10-05' breaking: false fixes: - 'ISSUE-12: aligned the version across all module poms' highlight: SIMM v2.3 methodology update. earlier_tags: [2.2.1, 2.2.0, 2.1.0, 2.0.0] note: 'No release has been cut since 2022-09-19, and the last commit of any kind was 2023-07-25. See lifecycle/acadiasoft-lifecycle.yml — the README now directs users to the Open Source Risk Engine for future SIMM versions.'