Some Google updates you might have missed earlier this year:
Exclude age groups from shopping placements in Performance Max campaigns
an AI sales assistant in shopping related search results (in testing)
Demand Gen campaigns are adding display network to the placement portfolio at the ad group level (so much for quality).
Video Action Campaigns are being migrated to Demand Gen, but you
will be able to use Demand Gen to create a YouTube only performance campaign
More robust campaign planning with Advanced Plans. Looks to offer options based on your objective, recommending the campaign type mix and budget allocation.
Customer Match list membership duration will be capped at 540 days