> ## Documentation Index
> Fetch the complete documentation index at: https://hub-docs.wundergraph.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Discuss schema changes and manage proposals with your team

Review and approve schema changes in Hub before they are published.
Proposals are the unit of collaboration. Discussions, schema checks, and ownership-based approvals are tied to specific changes.

<CardGroup cols={2}>
  <Card title="Discussions" icon="comments" href="/collaboration/discussions">
    Comment on any type or field to discuss changes
  </Card>

  <Card title="Proposals" icon="file-lines" href="/collaboration/proposals/introducing-proposals">
    Structured workflow for reviewing schema changes
  </Card>

  <Card title="Proposal Overview" icon="chart-mixed" href="/collaboration/proposals/proposal-overview">
    Dashboard view of status, checks, and impact
  </Card>

  <Card title="Operations Changed" icon="code-compare" href="/collaboration/proposals/operations-changed-page">
    See which operations are affected by proposed changes
  </Card>
</CardGroup>