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Nightly BuildLittle Snitch 6.3 (7164)

Requires macOS Sonoma or later

Nightly builds are pre-release versions of Little Snitch that include the latest bug fixes and feature enhancements.

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August 12, 2025

Little Snitch 6.3 nightly (7164)

Improvements:

  • Blocklist Comments: Lines beginning with a semicolon in blocklists are now treated as comments, preventing false positives caused by domains mentioned within comments.
  • Network Monitor Sorting: When sorting by name in Network Monitor, application groups will now always appear before individual processes.
  • Little Snitch Rule Inspector: Added menus to clickable items within the Rule Inspector offering more options where appropriate.
  • Updated Process: Show a warning in Network Monitor’s Connection Inspector when the code identifier of the executable has changed since the connection was active.
  • Google Chrome Parent Process: Little Snitch can now correctly identify the parent process for Google Chrome Helper, even when Chrome copies itself to /var/folders for code signature self-verification.
  • Status Menu Visuals: Status menu headings now use “vibrant” text color.

Bug Fixes:

  • IPv6 Blocklist Parsing: Fixed an issue where single IPv6 addresses in blocklists, expressed as address/128, were incorrectly imported as /12 subnets.
  • Welcome Window on Reinstall: A new installation now correctly displays the Welcome window and initial configuration questions, even after a previous installation was removed incompletely. If the Welcome window appears unexpectedly after updating, please contact support as this may indicate an issue.
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