Version 2.0.1

• Fixed bug so 2.1 bundles can contain 2.0 objects now
• Fixed bug to allow custom SCOs in patterns to not have the x_ prefix
• Fixed crashes when SCO extensions weren't a dictionary
• Incorporated some fixes from the schemas

Version 2.0.0

• Added support for STIX 2.1; 2.1 is now the default, but the --version option can be used to validate against the 2.0 specification instead (@clenk, @JohannKT, @ejratl, @emmanvg, @zrush-mitre, @chisholm)
• Added support for Python 3.8 (@rooterkyberian) and 3.9
• Dropped support for Python versions older than 3.5
• Updated --strict-types and --strict-properties to issue warnings instead of errors
• Fixed a bug with exiting when validator is used as a library
• Fixed a bug of failing silently if the local schema directory is empty (@zrush-mitre)

v2.0.0.dev2

Supports 2.1 WD05

Version 1.1.2

• Fixed packaging issue (#83)
• Improved error message when observed-data.objects is a list instead of a dictionary

Version 1.1.1

• Added a flag to warn when all SDOs referenced by SROs are not contained in the same bundle
• Unpinned jsonschema version

Version 1.1.0

• Add ability to use stdin as input
• Add support for Python 3.7
• Sort validator output by filename when given a directory as input
• Fix bug when importing validate_instance
• Fix a bug causing the same error to be raised twice when additional schemas
  were in use
• Fix a bug with printing ObjectValidationResults
• Fix a bug involving duplicate error messages getting logged
• Fix a mispelling of 'network-traffic'

Version 1.0.1

• Fix bug when using the validator as a library and no 'files' option is set on ValidationOptions.

Version 1.0.0

• Enable validation of files with lists of objects
• Enable validating with additional schemas, e.g for custom objects/properties
• Add '--strict-properties' option to prohibit custom properties if desired
• Add a 'parse_args' function to make the validator easier to use as a library
• Incorporate latest schema fixes for URLs
• Improve error messages

Version 0.5.0

• Check for invalid timestamps
• Add option to silence all output
• Check that indicator patterns use valid observable types and property names
• Warn on multiple objects with identical id and modified properties
• Consolidate custom content prefix checks
• Improve error messages

Version 0.4.0

• Update to STIX 2.0 Working Draft 2
  • Check length of keys in 'hashes'-type properties.
  • Remove 'description' for Cyber Observable objects.
  • External references should have hashes if they have a URL
  • Update to cti-pattern-validator 0.3.0.
• Improve error message for invalid binary data.