Burp has a new extensibility framework. Key features include:

  • Ability to use multiple extensions simultaneously.
  • Dynamic loading and unloading of extensions.
  • Much richer API.
  • Support for Python.
  • Easier extension development for non-programmers.

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Note that due to the extensive changes that have occurred under the hood, this is a beta release. Also, the draft new API is subject to change in the next release of Burp, based on user feedback.