2.9.0

• ✨ Added support for dynamic image resizing (#10184)
• ✨ Added size attribute support to {{img_url}} helper (#10182)
• ✨ Added drag-and-drop card re-ordering in the editor (TryGhost/Admin#1085)
• ✨ Added auto-scroll when dragging cards or gallery images (TryGhost/Admin#1083)
• 🐛 Fixed URL is not a constructor for Node v6 (#10289)
• 🐛 Removed duplicate shortcut icon link on amp pages (#10254)
• 🐛 Fixed multiple authors on amp pages (#10253)
• 🐛 Fixed get helper when API v0.1 is disabled (#10270)

You can see the full change log for the details of every change included in this release.