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16.3.1 Patch Releases

Improvements and fixes released for Ataccama ONE 16.3.1 since the initial release in April 2026.

For new features and enhancements, see 16.3.1 Release Notes.

April 2026

Patch 4

April 15, 2026 ONE DQ&C ONE MDM (Server only) ONE Runtime Server ONE Desktop

ONE

ONE Web Application, Metadata Management Module, Data Processing Engine

Catalog & search
  • Filtering by keyword values now works correctly when the search text contains uppercase words such as AND, OR, or NOT.

  • Searching by indexed properties that belong to a parent entity type works as expected in search configurations.

Usability & display
  • Faster loading of user and role selection dropdowns in project notifications, observability settings, and DQ firewall configuration, especially in environments with many users.

  • Date filter inputs no longer change the entered date to an incorrect value in Ataccama Cloud Portal.

Data processing
  • Profiling jobs with regex-based detection rules no longer get stuck on columns containing large text values. The maximum input length for regex evaluation can be limited using the MAX_REGEX_INPUT_LENGTH DPE property.

Performance and stability
  • Improved system validation performance and resource management.

  • System validations correctly respect the configured allowed window constraint.

Security
  • Upgraded third-party dependencies in DPE for enhanced security.

MDM

  • MDM server no longer runs out of memory when the streaming event handler encounters parallel write conflicts during large batch operations.

  • Upgraded third-party dependencies in MDM server for enhanced security.

ONE Desktop

  • ONE Metadata Writer step now supports longer SQL queries.

Patch 3

April 11, 2026 Ataccama Cloud infrastructure

Infrastructure-only release. No user-facing changes.

Patch 2

April 10, 2026 ONE DQ&C ONE RDM

ONE

Data Processing Engine, Audit Module

  • New Ataccama Cloud environments now correctly use a 90-day audit database retention default. Previously, new environments were initialized with 365-day retention.

  • Upgraded third-party dependencies in DPE and JDBC drivers for enhanced security.

RDM

  • RDM Server now connects to the database as expected in Ataccama Cloud environments using shared or dedicated Aurora databases.

Patch 1

April 09, 2026 ONE DQ&C

ONE

ONE Web Application, Metadata Management Module, AI Evolution, Data Stories

Lineage
  • When selecting an attribute on the home datastore, the diagram now filters to show only datastores connected to that attribute. This option is auto-enabled for large diagrams; you can manage it in the view settings.

  • Faster attribute display and transformation context loading on large lineage diagrams.

Data Stories
  • Data Stories visualizations now work correctly with ONE Data catalog items whose underlying tables are re-created during postprocessing exports.

ONE AI
  • AI rule indexing no longer fails for rules without input variables.

Infrastructure
  • In Ataccama Cloud environments, JAVA_OPTS are correctly configured for DPE when custom trust certificates are enabled.

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