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.

• v1.2.6

  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