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Beta Releases

The beta releases of Charles introduce new functionality for testing. Beta releases will generally be announced and documented on my blog.


The latest beta version of Charles is 4.5.2b1. Please check that this is newer than the latest release version (4.5.1) before downloading.

Notes for v4.5b2

This beta includes the following bug fixes and improvements:

  • Sequence filter now filters on any column
  • Custom columns in the sequence view
  • macOS: Dark Mode support
  • macOS Catalina support
  • Highlight rules for matching requests and highlighting them in the structure or sequence view
  • Upgrade to Java 11

See the version history for details of previous releases.


macOS (dmg, 52.7 MB)
Compatible with macOS 10.7 - 10.15.

Linux 64 bit (tar.gz, 48.8 MB)
Or use the APT or YUM package repositories.