If you have tabs in your Microsoft Teams space that show SharePoint pages or news posts, you can now edit those pages from directly within Teams. Here’s how that works…
In this example, I had a tab pointing at the home page of our SharePoint team site. Now when we view the page in Teams, we have the option to Edit the page directly in the Teams client:

For kicks, I added a text web part into one of the sections and click on Republish:

And we have the updated page without having to switch context and find the associated page directly in the SharePoint site:

For more information, check out Edit a SharePoint page or news post in Microsoft Teams.