It would be great if we can have the option to set and make use of 'deployment rules':

1 - receive an alert/warning message (in gearset/via email) right before deploying to a selected target environment, for instance - a production environment if certain pre-defined metadata types are included in the deployment.

use cases: a reminder to run all test when deleting metadata, a reminder to activate a flow on target environment after deployment.

2 - block a deployment in the following case scenarions:

a - if the deployment of certain pre-defined metadata types happens within a pre-defined timeframe.

use case: deployment of sharing rules during business hours

b - if certain pre-defined metadata types are not deployed by a certain role (e.g. team lead/owner).

use case: only team lead can deploy metadata for critical components (e.g. account and case triggers).

Criterias that may be used:

• metadata types included in the package
• keywords
• users
• date/time range
• target environment