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Updated procedures should be published in tutorial wiki pages like AAI Tutorial-Making and Testing a Schema Change - Dublin
Breaking changes should be accompanied by new documentation for readthedocs
Bring discussion to AAI Weekly Status Meeting
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New REST URL API should be accompanied by new documentation for readthedocs
Bring discussion to AAI Weekly Status Meeting
Bring discussion to AAI Developers Meeting
tbc
Contribution Type Decommissioning API version, Schema, EdgeRule, Microservice or REST URL API
Decommissioning existing functions hasn't really happened yet, but it is definitely a "breaking change" (include the actions from section "Contribution Type Breaking Change to Schema or EdgeRule").
Bring discussion to AAI Weekly Status Meeting
...