v15.77.0

What's Changed

• add new backends_status by @xlqian in #4329
• [jormungandr]: Add some attributes in BDD and update traveler profile by @kadhikari in #4330
• [Jormun - NAV-3444] fix multiple first and last sections by @xlqian in #4334

Full Changelog: v15.76.0...v15.77.0