Lumen 2.0 is available for download here:
https://gitlab.com/lumen-code/lumen/-/releases/2.0.0
Lumen 2.0 is a fork of Yambo 5.3. In this version we kept the full compatibility with Yambo 5.3, and used the same name for the executables, but many new features as exciton-phonon coupling, Kerr spectroscopy etc… are present in Lumen 2.0. Moreover Lumen 2.0 include also different bug-fixes.
The full release notes are available here:
https://www.lumen-code.org/wiki/index.php?title=Lumen_2.0