Hivesigner proposal is for more than 2 years and roadmap of things that will be implemented is listed in proposal: https://github.com/ledgerconnect/hivesigner/issues/2
It is long term maintenance and iterative improvement proposal, so money is spend for hosting hivesigner service which is used by many apps plus improve and add new changes. Proposal has Edit section to give update on progress. Also investors or voters should know person trustworthiness through actions and delivered products.