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DataWeave 2.6.0 Release Notes

DataWeave is the programming language designed by MuleSoft for data transformation. It is also the expression language Mule runtime engine uses to configure components and connectors.

For more detail, see DataWeave Language.

April 2024

DataWeave 2.6.2 is bundled with the Mule 4.6.2 release. The Mule patch release addresses the following DataWeave issues:

Issue Resolution ID

Inconsistent behavior no longer occurs between in-memory and streaming XML parsers for deciding document encoding.

W-15110015

Streaming for DataWeave-based data formats like ndjson now works as expected.

W-15262860

The Excel reader no longer reads furigana characters.

W-14991276

Coercion of the third parameter on the ternary function executor now works as expected.

W-15061008

For details about the Mule release and patch updates, see Mule Runtime Engine 4.6.0 Release Notes.

March 2024

DataWeave 2.6.1 is bundled with the Mule 4.6.1 release. The Mule patch release addresses the following DataWeave issues:

Issue Resolution ID

Performance is now improved when coercing addition and subtraction operations.

W-14927555

For details about the Mule release and patch updates, see Mule Runtime Engine 4.6.0 Release Notes.

February 6, 2024

DataWeave 2.6.0 is bundled with the Mule 4.6.0 release. For details about the Mule release, see Mule Runtime Engine 4.6.0 Release Notes.

What’s New

The 2.6.0 version of DataWeave introduces the following new features and enhancements:

Extended format support:

  • DataWeave now supports Java 17. See Java Format.

  • Mule expression language service are now modularized.

Compatibility

The following table specifies which version of DataWeave is bundled with each Mule runtime engine release:

Mule Version DataWeave Version

4.6

2.6

4.5

2.5

4.4

2.4

4.3

2.3

4.2

2.2

4.1

2.1

3.9

1.2

3.8

1.1

3.7

1.0

Fixed Issues

The release addresses the following DataWeave issues and incorporates all patch updates from the 2.5.0 DataWeave release through January 2024:

Issue Resolution ID

Caching now works correctly when coercing for addition and subtraction operations.

W-14591653

do scope declarations with pattern matching now properly reflect variable names when variables are optimized with common subexpression elimination.

W-14514837

The minInflateRatio property is now added to Excel format to control the zip bomb check threshold.

W-14315728

Upgrade

This version of DataWeave is bundled with Mule. DataWeave upgrades take place through Mule. See Mule Upgrades and Patch Updates.

See Also