Release notes

Web app

This section contains release notes for the DAX Optimizer web application.

• v1.2.17

  Oct 03, 2024

  Bug Fixes

  • Minor bug fixes

• v1.2.15

  Jul 29, 2024

  New Features

  • Support new evaluation metrics
  • Support command line tool for automated analysis

• v1.1.8

  Jun 03, 2024

  Bug Fixes

  • Several bug fixes and improvements

• v1.0.1

  Mar 25, 2024

  New Features

  • Support for the new obfuscated VPAX file extension (.ovpax)
  • Add some missing documentation links
  • Exit from the ‘Beta’ stage

• v0.3.14

  Mar 12, 2024

  New Features

  • Allow users to change contract time zone
  • Update DAX language keywords

  Bug Fixes

  • Improve deobfuscation

• v0.2.3

  Feb 22, 2024

  New Features

  • Support for user feedback within the application

• v0.1.116

  Feb 15, 2024

  New Features

  • Dark mode
  • Support obfuscated models and allow deobfuscation
  • Support user account pictures through Gravatar
  • Help sidebar

  Bug Fixes

  • Fix issue that prevented to rerun an analysis on an imported model which already contained an analysis
  • Fix issue that prevented to delete a workspace if not empty

  Other Enhancements

  • General webapp layout/style improvements
  • Reduce webapp footprint and improve performance
  • Improve security headers
  • Improve webapp accessibility
  • Improve service status checks
  • Allow to search accounts in the same AAD organization by name and/or email
  • Rename “ReRun” dialog in “Analysis” and improve its layout

• v0.1.91

  Nov 21, 2023

  New Features

  • Added support to group accounts

Engine

This section contains release notes for the DAX Optimizer engine. When a new version of the engine is released, it is a good idea to re-run the optimizer on your models to take advantage of the latest improvements.

• v1.7.44

  Dec 16, 2024

  Bug Fixes

  • Fixed an issue in cardinality estimation of grouping functions where having all grouping columns with zero cardinality (from empty tables) could cause model analysis to fail.

• v1.7.41

  Dec 05, 2024

  Bug Fixes

  • Fixed an issue in the evaluation of DETAILROWS when used as a filter argument in CALCULATE or CALCULATETABLE, which could cause the model analysis to fail.

• v1.7.40

  Dec 03, 2024

  Bug Fixes

  • Fixed an issue in the evaluation of EXTERNALMEASURE that could cause a measure to be incorrectly reported as faulty.

  Other Enhancements

  • Internal engine performance improvements.

• v1.7.35

  Nov 28, 2024

  Bug Fixes

  • Fixed an issue in the evaluation of SUMMARIZE where using grouping columns with zero cardinality (from empty tables) could cause model analysis to fail.

  Other Enhancements

  • Internal engine performance improvements

• v1.6.9

  Sep 27, 2024

  Bug Fixes

  • Fixed an issue in the evaluation of MATCHBY that could cause a failure in model analysis.

• v1.6.7

  Sep 24, 2024

  New Features

  • Added rule detection for FIRSTDATE and LASTDATE when used to return a scalar value.

  Bug Fixes

  • Fixed an issue in the evaluation of SUMMARIZECOLUMNS that could cause a failure in model analysis.

• v1.5.12

  Sep 20, 2024

  Bug Fixes

  • Fixed an issue in the evaluation of HASONEVALUE that could cause a failure in model analysis.

• v1.5.10

  Sep 02, 2024

  New Features

  • Added rule detection for AND condition between different columns in scalar predicate filter arguments.

  Other Enhancements

  • Improved cardinality estimate and impact analysis for scalar predicate filter arguments.

• v1.2.6

  Jun 27, 2024

  New Features

  • Improved analysis and estimation of expressions containing dead code, such as unreferenced variables.

• v1.1.6

  Jun 04, 2024

  New Features

  • Added rule detection for FILTER used as an iterator instead of modifying the filter context with the minimal number of column filters
  • Added rule detection for context transitions within an iterator over a table with non-unique rows

• v0.5.5

  Mar 07, 2024

  Bug Fixes

  • Fixed error when a non-physical column is used in a scalar predicate

• v0.5.1

  Dec 21, 2023

  New Features

  • Added rule detection related to IF used in iterators

• v0.4.27

  Oct 03, 2023

  Bug Fixes

  • Fixed error when SWITCH is used as a scalar predicate

• v0.4.26

  Sep 21, 2023

  New Features

  • Updated DAX syntax to support new parameters in window functions

• v0.4.25

  Sep 14, 2023

  Bug Fixes

  • Fixed error in estimation caused by missing lineage in column reference

• v0.4.24

  Sep 03, 2023

  Bug Fixes

  • Fixed error caused by PARTITIONBY
  • Ignored DumpFilter measures generated by DAX Studio

• v0.4.22

  Aug 31, 2023

  Bug Fixes

  • Estimates columns cardinality when at zero in VPAX metadata
  • Fixed issues in duplicated functions detection and NaN results

  Other Enhancements

  • Internal engine performance improvements

• v0.4.14

  Aug 22, 2023

  Bug Fixes

  • Fixed ORDERBY cardinality estimate error

• v0.4.13

  Aug 02, 2023

  Bug Fixes

  • Fixed ALLCROSSFILTERED cardinality estimate error

  Other Enhancements

  • Updated VPAX libraries to 1.3.0