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Dicom Validator Release Notes

The released versions correspond to PyPi releases. dicom-validator versions follow Semantic Versioning.

Version 0.8.2 (2026-04-12)

Fixes Windows executable and API documentation.

Features

  • added convenience method EditionReader.dicom_info_for_edition for easier usage as API, adapted the (incorrect) documentation (see #258)

Fixes

  • Added missing dependencies in Windows executables
  • Automated smoke test for Windows executables in GitHub action

Version 0.8.1 (2026-04-04)

Fixes bug in handling "shall not be present" condition.

Fixes

  • tags with a non-fulfilled "shall not be present if" condition have been incorrectly shown as erroneous (see #258)

Infrastructure

  • updated the tests for current DICOM version 2026b

Version 0.8.0 (2025-12-24)

Reworked result handling, allowed and documented using the validator programmatically.

Changes

  • removed support for Python 3.9
  • added typing to production code
  • the result dictionary generated by IODValidator.validate() has changed to an instance of ValidationResult, and the log messages in the result have been replaced by error codes
  • changed --revision to --edition to conform to DICOM vocabulary, deprecated --revision; also renamed revision to edition elsewhere in function names
  • logging the errors has been decoupled from validation via an error handler argument
  • do not count non-DICOM files as errors, if not using --force-read

Features

  • added better support for using the validator programmatically
  • added support for conditional enum values

Fixes

  • tags not allowed in multi-frame functional groups have been listed as errors twice (see #196)
  • fixed handling of enum values for a specific tag
  • fixed handling of multiple definitions for referenced enum values
  • fixed handling of conditions in functional groups (see #226)
  • fixed crash when looking up tags in functional groups with lazily-decoded DICOM files
  • fixed error count for functional groups

Documentation

  • added initial documentation on ReadTheDocs, including API documentation

Infrastructure

  • added Python 3.14 to the CI

Version 0.7.3 (2025-10-13)

Fixes handling of nested sequences.

Fixes

  • fixes to correctly evaluate SR documents (see #206):
    • sequences defined recursively in the standard are now supported
    • conditions for including macros inside a sequence are now evaluated on the correct level

Infrastructure

  • updated the tests for current DICOM version 2025d

Version 0.7.2 (2025-08-16)

Fixes parsing of some newer IODs and group macros.

Changes

  • the error message for tags not allowed in Shared or Per-Frame Functional Groups has been made more specific

Fixes

  • several IODs in newer DICOM versions (17 out of 174) have not been parsed
  • some of the IOD-specific group macros (4 of 27) have not been found (see #193)

Infrastructure

  • updated the tests for current DICOM version 2025c

Version 0.7.1 (2025-05-25)

Fixes condition parser problems with newest DICOM standard.

Fixes

  • fixed condition parser to work with current DICOM standard

Infrastructure

  • updated the tests for current version 2025b

Version 0.7.0 (2025-05-25)

Uses a grammar parser as condition parser.

Changes

  • Python 3.8 has reached EOL and is no longer officially supported
  • the condition parser now uses a grammar-based parser (pyparsing), which is more accurate, but also slower

Fixes

  • Condition parser: almost all parsable conditions are now correctly parsed, conditions which contain unparsable parts are now correctly ignored

Version 0.6.5 (2025-04-02)

Fixes an incompatibility with newer pydicom versions.

Fixes

  • support values of type list in addition to MultiValue (see #165)

Infrastructure

  • updated the tests for current version 2025a

Version 0.6.4 (2024-12-19)

Bugfix release.

Fixes

  • fixed handling of empty type 2 enumerated values (see #147)

Infrastructure

  • updated the tests for current version 2024e
  • added CI tests for Python 3.13

Version 0.6.3 (2024-10-24)

Bugfix release.

Fixes

  • fixed possible KeyError while checking functional group macros
  • handle conditions for not allowed tags ("Shall not be present if...")

Infrastructure

Version 0.6.2 (2024-08-09)

Fixes a regression in version 0.6.1.

Fixes

  • fixed a regression bug introduced in 0.6.1, leading to an exception during docbook parsing (see #119)

Version 0.6.1 (2024-08-05)

Some condition parser fixes.

Features

  • Attribute conditions that are hard to parse from the spec can be now defined manually.

Fixes

  • fixed (0070,0024) Graphic Filled condition (see #115)
  • fixed a case of mixed ORed values and conditions
  • handle , that is clause in condition

Version 0.6.0 (2024-07-15)

Adds Windows executable to GitHub release.

Features

  • iod_validator: added validation of values against value representations, with a new option -svr to suppress the above check
  • Infrastructure for building executable using pyinstaller on Windows

Fixes

  • dump_dcm_info: suppressed invalid value warnings from dcmread

Version 0.5.1 (2024-04-06)

Fixes for enum checks.

Features

  • added checking of enumerated values defined for a specific index
  • added CI tests for Python 3.13

Fixes

  • fixed exception on parsing some older DICOM standard versions
  • fixed checking of multi-valued tags with defined enum values (see #87)

Version 0.5.0 (2024-01-25)

Adds enum checks and fixes a regression.

Features

  • added checking of most enumerated values (see #54)

Fixes

  • fixed a regression that causes an exception in the DICOM dump tool (see #77)

Infrastructure

  • added CI tests for Python 3.12

Version 0.4.1 (2023-11-09)

Mostly a bugfix release for the condition parser.

Changes

  • removed official support for Python 3.7 which has reached end of life

Features

  • added handling of conditional includes (needed for SR documents) (see #39)

Fixes

  • an empty tag with type 1C was not handled as an error
  • Condition parser: the value index for some expressions is now correctly parsed
  • Condition parser: the parsing is now stricter to avoid some false positives
  • Condition parser: condition for AT values have not been correctly parsed if the condition used equality comparison (see #58)

Changes

  • lxml is used instead of xml to speed up the xml parsing

Infrastructure

  • use pyproject.toml instead of setup.py
  • fixed possibility to run single tests
  • use downloaded standard instead of fixture files for tests

Version 0.4.0 (2023-08-13)

Adds support for functional group macros.

Features

  • added support for validating functional group macros, see #27
  • added option --recreate-json for testing purposes (per default, the json files are only recreated after a dicom-validator version change)

Fixes

  • fixed handling of unverifiable and condition, see #32
  • fixed too broad matching for "otherwise" condition, see #29
  • fixed too strict handling without "otherwise" condition, see #38
  • ignore private tags during validation (had been flagged as unexpected)

Infrastructure

  • Added pre-commit configuration for use with pre-commit hook

Version 0.3.5 (2023-07-24)

Fixes several issues with the condition parser.

Fixes

  • Condition parser: multiple or expressions handled correctly
  • Condition parser: handle a few more complicated conditions
  • Condition parser: handle conditions without values, see #15
  • Condition parser: fixed handling of "zero" and "non-zero" values, see #17
  • Condition parser: handle a few more simple expressions
  • Condition parser: ignore equality conditions with missing values (caused crash, see #20)

Changes

  • Removed support for Python 3.6, added support for Python 3.11

Infrastructure

  • Added release workflow

Version 0.3.4 (2021-11-22)

Fixes a regression introduced with the last release.

Fixes

  • fixed regression that broke the validator command line tool, see #9

Version 0.3.3 (2021-11-20)

This is a bugfix release.

Fixes

  • all tags including PixelData are now loaded to account for dependencies on PixelData (see #6)

Version 0.3.2 (2021-07-30)

Renamed from dcm-spec-tools to dicom-validator and moved into pydicom organization. No functional changes have been made in this release.

Version 0.3.1 (2021-01-24)

Changes

  • Removed support for Python 2.7, 3.4 and 3.5

New Features

  • dump_dcm_info: added --max-value-len (-ml) option to configure value display length
  • dump_dcm_info: added possibility to dump several files or recurse directories
  • dump_dcm_info: added option --show-image-data (-id) to also show the pixel data tag
  • dump_dcm_info: added option --show-tags (-t) to show only specific tags
  • all: added option --revision local to use latest locally installed revision

Fixes

  • handled empty rows in some editions (caused crash for 2019 edition)
  • account for added columns in IOD and UID tables (see #3)

Infrastructure

  • changed CI to GitHub actions

Version 0.3.0 (2018-06-26)

(omitted some minor releases)

New Features

  • validate_iods: consolidated / enhanced output

Fixes

  • fixed serialization of conditions

Version 0.2.0 (2018-04-23)

(omitted some minor releases)

New Features

  • validate_iods: added parsing of condition for optional presence of tags
  • validate_iods: added handling of or compound conditions
  • dump_dcm_info: added dumping of unknown tags
  • all: download specs on demand instead of needing a separate command

Fixes

  • several fixes for condition handling

Version 0.1.0 (2016-12-18)

Initial release