In the broad sense, Scrum won the Agile battle. It's more widely adopted than any other Agile process. By a big margin.

We're doing Kanban, which lends itself well to a chaotic environment. Scrum won't work here because priorities change constantly. Scrum works well when you can have a dedicated team.

One important thing.. Agile will not help you write better code. Agile is a project management methodology.

>Agile is not necessarily scrum indeed. Other agile models (from the website): Extreme Programming, DSDM, Adaptive Software Development, Crystal, Feature-Driven Development, Pragmatic Programming.
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>So, let's focus on Agile. Do you adhere to Agile? And since when?