Apple Invites has its second new version in as many months, adding seven new features. One key highlight is an iMessage app for sharing invitations without leaving the Messages app. Apple Invites now includes an iMessage app Apple Invites version 1.8 arrives today as the April upgrade to Apple’s digital invitation service for iCloud+ subscribers. The new version includes seven new features, including changes around Image Playground and Apple Music. Here’s the full list from today’s release: Image Playground themes are now available in the backgrounds gallery, helping you easily generate an original image to match the vibe of your event. Hosts can now manually edit the guest list to update guest responses and adjust the number of additional guests. A new Invites iMessage app lets you quickly share an existing invite without leaving Messages. A new All Events view in the dashboard helps you easily navigate both your upcoming and past events in one place.…