Indexing for long, 500+ page documents is noticeably quicker. System Requirements
Key tools now "float" or reside in a streamlined side rail. Adobe Acrobat Pro DC 23.001.20063
The most striking change in this version is the visual overhaul. Adobe moved away from the cluttered toolbars of the past in favor of a "Modern Viewer." Indexing for long, 500+ page documents is noticeably quicker