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Planning is viewed in the top tab named Planning & Tracking. It gives you the planning capabilities you always wanted - all from the same screen.
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When you select a sprint, its list of issues is displayed. For each issue, the type, priority, key, summary, sprint, assignee, status and assignee estimate are displayed, similarly to the Jira backlog. The Estimate field displayed is based on your Jira board settings (Board settings → Estimation → Estimation Statistic). The available estimation options supported are: Story Points or Original Time Estimate. Accordingly, the issue display shows the Estimate column in points or time units, respectively.
Importantly, as part of your planning refinement process, you can:
Move issues from the presented sprint to a different one or to the backlog
Change the issue assignee
Update issue estimations
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