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Who: Only integrators can create release tags of these branches. Users should never tag permanent (master, maint) branches. It is OK for users to make archival tags on master.
What: ACME will not tag every single merge into the ACME master. ACME will use tags on master to mark significant development steps, and may coincide with versions where the Coupled Model and/or Performance teams devote significant resources to evaluate climate or code performance.
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