The Neutron team uses the neutron-specs repository for it’s specification reviews. Detailed information can be found here. Please also find additional information in the reviews.rst file.
There are occasions when a spec will be approved and the code will not land in the cycle it was targeted at. For these cases, the workflow to get the spec into the next release is as follows:
The specs which are moved in this way can be fast-tracked into the next release. Please note that it is required to re-propose the spec for the new release however.