Chinmay Kolhatkar - Vendor
07/23/2026, 3:23 PMRocky
07/23/2026, 3:24 PMbranch-4.1 branch in GitHub. Otherwise, it is best to wait for the official announcement in the StarRocks Slack community or the GitHub Releases page before upgrading production environments.
References
• release_notes/release-2.1.md
• release_notes/release-3.3.mdMichael Taranov
07/23/2026, 5:49 PMRocky
07/23/2026, 5:49 PMbranch-4.1 branch between roughly July 10, 2026, and July 23, 2026.
Notable PRs recently merged for v4.1 (likely in 4.1.2/4.1.3)
Based on recent GitHub activity and backport logs, the following issues and PRs were targeted for the 4.1 patch series:
* Query Planning & Optimizer:
* #76542: Restore Operator salt to avoid Memo self-reference in CBO table pruning.
* #76538: Skip string-type histogram buckets when loading histogram statistics.
* #76536: Set query_delivery_timeout for external scan plans to bound the QueryContext tail behavior.
* Data Lakehouse & External Tables:
* #76537: Tolerate a wider range bound when reading shared-data range tables (Backport of #76341).
* #76532: Support for complex types in Paimon tables (Backport of #66784).
* #76513: Resolve Iceberg columns via schema.name-mapping.default to fix NULL results from Fabric Warehouse.
* Metadata & Stability:
* #76525: Read durable metadata in cal_new_base_version to avoid dangling previous garbage versions (Backport of #75904).
* #76524: Use OlapTable colocate-group property for ALTER-time colocate guards.
* #76541: Enhance excluded_refresh_tables logic to avoid unnecessary Materialized View force refreshes.
How to see the full list
Since the official notes are pending, you can generate the definitive list of changes by comparing the tags directly on GitHub:
1. Direct Comparison: Visit github.com/StarRocks/starrocks/compare/v4.1.2...v4.1.3.
2. Release Notes PR: Check for an open PR in the starrocks/starrocks repository with the title "[Doc] Add release notes for StarRocks v4.1.3". A similar PR (#76504) was just submitted for v4.0.13.
It is recommended to wait for the official documentation to be updated at docs.starrocks.io before deploying 4.1.3 in production to ensure all behavior changes are reviewed.
References
• release_notes/release-2.1.md
• release_notes/release-4.0.md