: Resolved a high-risk bug where WinRAR could crash or read data beyond the buffer when unpacking specially crafted ZIP archives.

As of late 2025, WinRAR 6.20 is considered an older version. The developer, RARLAB , has since moved on to releases, including the recent WinRAR 7.20 Beta 1 in October 2025. WinRAR 6.20 Beta 3 released

Beta 3 was the final testing ground for major features that eventually defined the WinRAR 6.20 final release :

: Significant efficiency gains in repairing damaged RAR5 archives with "shuffled data blocks". Current Status

: The "Archive" tab in Windows Explorer properties was cleaned up. For non-RAR archives, redundant fields like "Original name" and "Original time" are hidden, while the compression dictionary size is now displayed for these formats when available. Critical Bug Fixes :

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.