Release 1.9.1

Changelog

[1.9.1] - 2026-08-04

🐛 Bug Fixes

• Consistent representative F(r) (#2303)
• Scattering matrix data was not correctly updated (#2571)

📚 Documentation

• Don't encourage supply chain attacks (#2552)

⚙️ Miscellaneous Tasks

• Fix nix bundle version and fix copyright dates (#2294)

🔨️ Build Tools

• Add missing OSX vars to recreate_release (#2283)
• OSX packaging fixes (#2291)
• Remove conan_provider.cmake on Visual Studio 2022 clean (#2295)
• Conan windows aqt hwloc (#2317)
• Fix Windows and OSX CI builds (#2572)

Doc

• Minor web updates jan 2026 (#2293)