How to add a custom tab to the new Azure DevOps Releases Hub with an extension?

Question

The Azure DevOps UI is evolving, and I'm trying to add a custom tab to the new Release Pipeline view while looking at a particular release:

I was able to do so in the old UI, using the ms.vss-releaseManagement-web.release-summary-tab contribution and targeting ms.vss-releaseManagement-web.release-details-view:

{
  "id": "my-release-tab",
  "type": "ms.vss-releaseManagement-web.release-summary-tab",
  "description": "My release tab",
  "targets": ["ms.vss-releaseManagement-web.release-details-view"],
  "properties": {
    "name": "My Custom Tab",
    "uri": "tab.html"
  },
  "includes": ["ms.vss-releaseManagement-web.release-service-data-external"]
}

What is the new contribution type? Has the target changed?

Answer 1

From Microsoft Docs it looks like you need to change the contribution type and target to this:

{ 
   "id": "rm-details-view-sample", 
   "type": "ms.vss-releaseManagement-web.release-summary-section", 
   "targets": [ "ms.vss-releaseManagement-web.release-details-summary-tab" ], 
   "properties": { 
      "name": "Tab name", 
      "uri": "index.html" 
   } 
}