Luggage_isu 3.6.17-6.17 has been released (along with its upstream, Luggage 3.6.17).
This release incorporates Drupal 7.77. Drupal release notes can be found at:
A full list of changes to Luggage_isu can be found in LUGGAGE_ISU_CHANGELOG.txt
The release is available at https://github.com/isubit/luggage_isu/releases/tag/6.17
A full list of changes to Luggage can be found in LUGGAGE_CHANGELOG.txt
The release is available at https://github.com/isubit/luggage/releases/tag/3.6.17