Dewey is on its way out, to be replaced by https://biz-ops.in.ft.com. It's new, and by implication, imperfect. Please use it and let us know what you think.
Why replace Dewey?
FT's technical estate and its relationship to other aspects of the business are a complex web. Dewey's data layer was inadequate to the task of modelling this, so a decision was made to try rebuilding on top of a graph database. A few months later, and with a number of key dependencies (e.g. AWS cost allocation) already migrated from Dewey to the new Biz-Ops (Business Operations) data layer, it's time to migrate the administration of the data to a UI that talks directly to the new data layer, rather than via the imperfect proxy of an event log coming from Dewey.
What's different about Biz-Ops?
As touched on above, the major difference is that the underlying data structure is a graph. This means for example that where previously Cost Centre was a direct property on systems, now finding which Cost Centre to bill a system