Thursday 10 August 2023

Traffic Parrot 5.41.0 released, what's new?

We have just released version 5.41.0. Here is a list of the changes that came with the release:


  • Random mixed case strings of a fixed length can now be generated using
    {{ randomValue length=10 type='ALPHANUMERIC' mixedcase=true }}
  • Header values can now be set in Handlebars scripts using
    {{ modifyResponse 'headerValue' 'header-name' 'header-value' }}
  • New simplified OpenAPI mock import
    • Enable in by setting:
    • When OpenAPI response examples are present, they are used directly as mock responses
    • Otherwise, OpenAPI schema data types and field structures are used to generate a valid mock response
    • The request header x-traffic-parrot-select-response-status can be set to a numeric response code to select which response to return
    • The default response returned is the success response
    • The request body is not included in matching, to simplify the response selection
    • The request URL is used for matching, including checking for mandatory path and query parameters
  • Role based UI access to allow defining some read only UI users that are allowed view permissions but not edit permissions
    • Enable in by setting:
    • Define users in by setting:
    • HTTP basic authentication popup prompts users to specify a username and password
  • Allow loading gRPC existing proto set files in proto-bin with .set.bin extension (e.g. as output by gRPCurl)
  • Added a UI page with instructions on how to provide the required JAR files when working with IBM® MQ


  • Library upgrades to fix OWASP issues
  • {{ evaluate 'variable' }} now recognizes a variable that was set using {{#assign 'variable'}}value{{/assign}}
  • Fixed an issue with the default permissions of the lib/external folder on Linux
  • Fixed an issue with saving very large XML body mappings in the UI


  • Upgraded protoc from 3.21.9 to 3.23.4
  • Upgraded gRPC from 1.51.0 to 1.56.1

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