You can select several builds on the left side of the UI by pressing Command on MacOS or Ctrl on Windows while left clicking with the mouse, it will load a comparison of the newest and oldest selected build information, and display it through 4 panels :
Overview Comparison <doc_ui-overview_build-report-comparison-overview>
Build Settings Comparison <doc_ui-overview_build-report-comparison-settings>
Unused Assets Comparison <doc_ui-overview_build-report-comparison-assets>
Used Assets Comparison <doc_ui-overview_build-report-comparison-assets>
build-report-comparison-panels/build-report-overview build-report-comparison-panels/build-report-settings build-report-comparison-panels/build-report-assets