While "LibreOffice 6.3.6" may still be available for download on various third-party mirror sites, it is for general use today:
: Intel-based Mac (requires Rosetta 2 for modern Apple Silicon Macs). Memory : At least 512MB RAM (2GB recommended). Storage : Approx. 800MB available disk space. 5. Recommendation & Security LibreOffice-6-3-6-for-Mac-Free-Download--Latest-Version-
: Significant speed improvements in Writer and Calc, especially when handling large files or files with many bookmarks. While "LibreOffice 6
While 6.3.6 was a point release, the 6.3 branch introduced several notable improvements: LibreOffice-6-3-6-for-Mac-Free-Download--Latest-Version-
: Presentation design (alternative to MS PowerPoint). Draw : Vector graphics and flowcharts. Base : Database management. Math : Formula editing. 3. Key Features (6.3 Series Highlights)