While the 2018 version (v8.0/v9.0) was a major update, newer releases offer significant improvements that make the 2018 version obsolete for most workflows:

Official direct downloads for are no longer publicly available from Adobe's official site . Adobe currently limits software downloads to the latest two versions of Creative Cloud applications for security and performance reasons.

If you are used to the 2018 workflow, the core functionality remains the same, but with added power: Is Adobe Bridge still free to download? | Community

Newer versions (v15.0+) include significant performance enhancements for content panel scrolling and keyword management.

Bridge 2018 was designed for older operating systems like Windows 7 or macOS High Sierra. Modern systems (Windows 11 or macOS Sequoia) require the latest versions for stability. Key Features of Adobe Bridge (Current vs. 2018)