Earlier in the year, we announced new and improved reporting experiences for Performance Max. To continue giving you the visibility you need, we’re expanding those capabilities with segmentation in asset reporting and new improvements to channel performance reporting.

If you want to find new ways to optimize your asset mix, you’ll now be able to segment your asset reports by devices, time, conversions and networks.

As we continue to roll out channel performance reporting, we’ve added the following features you asked for:

• Bulk reporting and download of all your Performance Max campaign channel performance reports at the account-level
• Cost added to channel visualization
• ROI columns that can be added to the reporting table
• Segment results by conversion action and ad event type (i.e. engaged view conversions)
• Additional diagnostics such as limited serving due to restrictive bid targets

We’ll continue to add more improvements to channel performance reporting, so keep the feedback coming and stay tuned for updates!

Source: Google Ads and Commerce Blog