[Excel] (keyboard shortcuts) Document support in the unified app manifest

.openpublishing.redirection.json

@@ -1289,6 +1289,10 @@
             "source_path": "docs/outlook/use-regular-expressions-to-show-an-outlook-add-in.md",
             "redirect_url": "/office/dev/add-ins/outlook/contextual-outlook-add-ins"
         },
+        {
+            "source_path": "docs/develop/extended-overrides.md",
+            "redirect_url": "/javascript/api/manifest/extendedoverrides"
+        },
         {
             "source_path": "docs/outlook/activation-rules.md",
             "redirect_url": "/javascript/api/manifest/rule"

docs/develop/json-manifest-overview.md

@@ -91,9 +91,10 @@ The following table shows a mapping of *some* high-level child properties of the
 | "requirements.capabilities" | Identifies the [requirement sets](office-versions-and-requirement-sets.md#office-requirement-sets-availability) that the add-in needs to be installable. that the add-in needs to be installable. | **\<Requirements\>** and **\<Sets\>** |*None* |
 | "requirements.scopes" | Identifies the Office applications in which the add-in can be installed. | **\<Hosts\>** |*None* |
 | "ribbons" | The ribbons that the add-in customizes. | **\<Hosts\>**, **ExtensionPoints**, and various **\*FormFactor** elements | The "ribbons" property is an array of anonymous objects that each merge the purposes of the these three elements. See ["ribbons" table](#ribbons-table).|
-| "alternates" | Specifies backwards compatibility with an equivalent COM add-in, XLL, or both. | **\<EquivalentAddins\>** | See the [EquivalentAddins - See also](/javascript/api/manifest/equivalentaddins#see-also) for background information. |
-| "runtimes"  | Configures the [embedded runtimes](../testing/runtimes.md) that the add-in uses, including various kinds of add-ins that have little or no UI, such as custom function-only add-ins and [function commands](../design/add-in-commands.md#types-of-add-in-commands). | **\<Runtimes\>**. **\<FunctionFile\>**, and **\<ExtensionPoint\>** (of type CustomFunctions) |*None* |
-| "autoRunEvents" | Configures an event handler for a specified event. | **\<ExtensionPoint\>** (of type LaunchEvent) |*None* |
+| "alternatives" | Specifies backwards compatibility with an equivalent COM add-in, XLL, or both. | **\<EquivalentAddins\>** | See the [EquivalentAddins - See also](/javascript/api/manifest/equivalentaddins#see-also) for background information. |
+| "runtimes"  | Configures the [embedded runtimes](../testing/runtimes.md) that the add-in uses, including various kinds of add-ins that have little or no UI, such as custom function-only add-ins and [function commands](../design/add-in-commands.md#types-of-add-in-commands). | **\<Runtimes\>**. **\<FunctionFile\>**, and **\<ExtensionPoint\>** (of type CustomFunctions) |*None.* |
+| "autoRunEvents" | Configures an event handler for a specified event. | **\<ExtensionPoint\>** (of type LaunchEvent) |*None.* |
+| "keyboardShortcuts" (developer preview) | Defines custom keyboard shortcuts or key combinations to run specific actions. | **\<ExtendedOverrides\>** | *None.* |
 
 #### "ribbons" table