Revision Tags Default Intro

The revision pointed to by the tag default is considered the default revision and has additional semantic meaning. The default revision performs the following functions:

• Injects sidecars for the istio-injection=enabled namespace selector, the sidecar.istio.io/inject=true object selector, and the istio.io/rev=default selectors
• Validates Istio resources
• Steals the leader lock from non-default revisions and performs singleton mesh responsibilities (such as updating resource statuses)

To make a revision {{< istio_full_version_revision >}} the default, run: