There are throttling limits given for outlook and teams at the link https://docs.microsoft.com/en-us/graph/throttling.
What is the limit after which the throttling starts for graph API calls for SharePoint.

SharePoint decided not to publish their throttling limits see the following abstract: https://docs.microsoft.com/en-us/sharepoint/dev/general-development/how-to-avoid-getting-throttled-or-blocked-in-sharepoint-online#why-cant-you-just-tell-me-the-exact-throttling-limits.

It will be really useful to get the limits for SharePoint too.

With SharePoint Online REST API we can work with role assignments and role definitions. So we want to do the same things with MS Graph API.

Add to MS Graph API analogues of the SharePoint Online REST API methods:
1) /api/web/siteusers
2) /api/web/sitegroups

Allow us to manage permissions on ListItems in the same way we can manage permissions on /Drives/{Drive ID}/items/{item ID}/permissions.

Use case: List contains potentially sensitive items that we want to restrict to users based on the contents of a people picker column (not necessarily the creator/modifier).

As for today it's not possible to access attachments in the Sharepoint list item and this requires to use REST API.

calling /beta/me/followedsites will return sites that no longer exist.

For example:
1. I created a subsite x.sharepoint.com/sites/hello/there
2. I followed the sub site x.sharepoint.com/sites/hello/there
3. I deleted the subsite from x.sharepoint.com/sites/hello
4 calling /beta/me/followedsites returns this deleted site in the list

It is currently impossible to filter list items by their title or any other field via the Graph API.
Adding support for list items filtering on fields would help query list items.
Example of query
https://graph.microsoft.com/v1.0/sites/{siteId}/lists/{listId}/items/?$expand=fields($filter= Title eq 'value')

I am trying to get subsites details through API "/sites/{parentSiteId}/sites" . i am getting subsite details of any public site , I am having admin access token and also used app access token but for private site i am getting 403 Error.

It's common to need to edit a list item via an app on behalf of a user without wanting to grant that specific user access to the list item itself. With CSOM or the SharePoint REST API, we could simply set the "Editor" column during the edit, and the Modified By information would show as intended in the version history. Please allow this to be done via the Graph API as well.

Usage of the Graph API to get sharing reports for SPO (and ODB) sites in bulk - https://docs.microsoft.com/en-us/sharepoint/sharing-reports

There is no way to retrieve this info without scraping the actual web page. If there is, could you please point me in the right direction. This should also be added to the Management Activity API so all content (edits/deletes) can be capture for compliance reasons.

The current documentation for Microsoft Graph does not cover how to navigate to a drive on a SharePoint site and pull files from it. It appears that the documentation assumes the user has an understanding of SharePoint's structure.

The documentation for Microsoft Graph should include how to navigate to a drive on a SharePoint site and pull files from it.

For OneDrive drives, when a public link is added to an item, the delta link will return that item. This doesn't happen for Sharepoint drives (document libraries). For consistency the behavior should be the same.

Add support for SPO "Site sharing settings".

E.g. when we create a new Group or Team, we want to set the site sharing permissions to "Only site owners can share files,folders, and the site" and we want to disable the "access requests" to the new group/team.

Add support for Delta tokens for entire mailbox/OneDrive/SharePoint site (to avoid walkthrough each folder).

There is no possibility to access deleted data on OneDrive and SharePoint Online. As far as I know for now we can only restore a file from Recycle bin with beta API. I want to get direct access (create/read/update/delete) to files from Recycle bin in OneDrive and SharePoint Online (drives functionality). We want something similar as it done in Exchange Online/

Since suppressing a guest user from the Azure AD won't suppress it from all the sites where he has permissions/shared documents we must identify those sites.

We need to know all the sites on the tenant where the user has shared access to some child elements.

The Sharepoint part of the graph api is really small.