WinRAR v6.20 Beta 3, released on , served as a critical final refinement phase before the official launch of the v6.20 final build in early 2023. Key Improvements in Beta 3
: Added an "autodetect passwords" feature to automatically apply saved passwords to RAR 5.0 and ZIP archives. WinRAR v6.20 Beta 3
: Optimized for modern CPUs with 8+ threads, especially for poorly compressible data. WinRAR v6