Agile Manifesto – All languages.
Author = agilemanifesto.org
Is the Agile Manifesto still a thing?
Article on the relevance of the Agile Manifesto.
Author = Claire Drumond (Atlassian)
Is the Agile Manifesto dead? Not by a long shot
Article on status of Agile Manifesto, hinting it could be time for an update.
Author = Yvette Francino (TechBeacon)
https://techbeacon.com/app-dev-testing/agile-manifesto-dead-not-long-shot
Comprehensive Guide to the Agile Manifesto
Article on the Agile Manifesto: History, 4 values & 12 Principles explained
Author = Kate Eby (Smartsheet)
https://www.smartsheet.com/comprehensive-guide-values-principles-agile-manifesto