## v2.2.1 -- April 2026
* Build and CI fixes for RHEL 9 based environments
- Switch container registry usage to `registry.redhat.io`
- Replace RHEL `yq` image pull with direct GitHub download flow
- Pass the EPEL URL as a parameter in Jenkins RHEL jobs
* Licensing and documentation
- Re-license the project from OAI Public License v1.1 to CSSL v1.0
- Re-license documentation under CC-BY-4.0 and orchestration/CI assets under MIT
- Add `NOTICE`, `LICENSES/`, and related contribution/documentation updates
* `LMF` changes:
* Features
- Add a basic linear least-squares estimator for TDoA (Time Difference of Arrival) positioning, including improved matrix inversion using LAPACK/BLAS