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Version: 12.1.0


All notable changes to the viktor SDK will be documented in this file, categorized by version number.

The changes can be categorized further in the following headers:

  • Action Required: when a backwards incompatible change is made, which requires actions in the application code. You will find a reference to the upgrade instructions in this change. This header will only be present in major releases or on Beta Features.
  • Added: when a functionality is added, without breaking compatibility with older versions.
  • Deprecated: when an existing functionality will be removed in upcoming releases. You will find a reference to the upgrade instructions in this change.
  • Docs: when the change involves SDK documentation, docstring, and/or type hinting.
  • Fixed: when the change fixes a bug/error.
  • Security: when a vulnerability is fixed.

Each change consists of a tag to annotate which VIKTOR module is involved. If the change encompasses multiple modules, the viktor tag is used.


Beta Features

Changes denoted with [BETA] are experimental (beta) features. This means that the API might change without major version increment. Features currently in [BETA] are:

  • None

v12.1.0 - 18/05/2021


  • parametrization Parametrization can consist of 1 layer (Field) or 2 layers (Tab + Field, Section + Field)
  • external Improved error handling in execution of RFEMAnalysis
  • geometry Cone object
  • api_v1 Allow negative indexing on EntityList
  • parametrization More consistent naming for many fields (old names will be deprecated in future)
  • result Allow for multiple files to be downloaded (as zip-file) in DownloadResult


  • viktor Regular docs maintenance


  • parametrization Setting field name argument using dot-notation within TableInput/DynamicArray was mistakenly allowed

v12.0.0 - 20/04/2021