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Imply Polaris release notes

These release notes provide information about the latest features, improvements, and fixes for Imply Polaris.
For older release notes, see the archive.
For information about Imply Enterprise, see Imply Enterprise and Hybrid release notes.

Polaris version

The release notes for Polaris are organized by release date. It may take a few days from the release date for the new Polaris version to become available for your projects.

You can verify the current Polaris version identifier for your projects in the Polaris UI or the Projects API.

March 16, 2026​

March release | Polaris version 34caec1d

Fixes​

  • Fixed an issue where compaction failed if an ordering dimension had no corresponding column. Compaction tasks now ignore such dimensions (id: 72228)
  • Fixed an issue with parsing nested columns containing empty fields (id: 72196)
  • Fixed an issue where the Router incorrectly reported successful MSQ task requests as failed. The Router now treats all 2XX response codes as successful, not just 200 (id: 72195)
  • Fixed an issue where realtime ingestion tasks could fail with "inconsistent metadata" errors during auto-scaling (id: 71879)

February 25, 2026​

February release | Polaris version 0b903113

Improvements​

This release includes all performance enhancements and bug fixes from Apache Druid® 36.0.0. For details, see the Druid 36.0.0 release notes.

January 28, 2026​

January release | Polaris version 58c1a667

Band chart visualization​

The new band chart visualization allows you to display a primary metric as a line within upper and lower bound measures. You can use it to identify when values fall outside expected ranges or to show the relationship between a central measure and its constraints (id: 69939)

Improvements​

  • The SQL workbench now supports the Dart engine as a query execution option when Dart is enabled in Druid (id: 70566)
  • Added custom measure PIVOT_QUERY_INTERVAL. It returns the ISO 8601 interval string that covers the evaluated time filter for a query (id: 71221)
  • Improved performance of the DOWNSAMPLED_SUM_TIMESERIES aggregation function (id: 69170, 71349)

Fixes​

  • Fixed an issue with filtering jobs by connection name (id: 70676)