Performance Max channel performance gained a diagnostics view listing missing or rejected assets per channel

Date

Jul 2, 2026 (first reported)

Primary source

Search Engine Roundtable

Sources

• open_in_new
  Google Ads Performance Max Channel DiagnosticsSearch Engine Roundtable · Jul 2, 2026
• open_in_new
  Google Launches PMAX Channel DiagnosticsPPC News Feed · Jul 2, 2026

Related changes

• Sep 1, 2026Performance Max Help documentation rewritten to clarify Search prioritization, controls and budget panel
• Aug 31, 2026Channel prioritization sliders spotted in Performance Max alpha for Search, YouTube, Display and more
• Aug 26, 2026Local customer optimization launched for Performance Max store goals campaigns
• Aug 25, 2026Performance Max alpha added per-channel prioritization controls across Search, YouTube, Display and Maps
• Aug 19, 2026Performance Max to auto-generate missing video aspect ratios with generative AI; opt out by September 4
• Jul 24, 2026Household income exclusions (seven brackets plus Unknown) appeared at the Performance Max campaign level

← See this change in the change history