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Realtime scans from MSQ cannot reliably read complex types

Area - MSQFor multi stage queries - https://github.com/apache/druid/issues/12262For multi stage queries - https://github.com/apache/druid/issues/12262

Bug

MSQ

Status: Open.

#18340 In apache/druid;

· gianm opened on Jul 30, 2025

refactor: make supervisor diff+restart algorithm smarter on submission

Area - Ingestion

Area - Streaming Ingestion

Status: Open (in progress).

apache/druidnumber 19541

#19541 In apache/druid;

· jtuglu1 opened on Jun 1, 2026

perf: optimize coordinator HistoricalManagement duty runtime

Area - Ingestion

Performance

Status: Open (in progress).

apache/druidnumber 19532

#19532 In apache/druid;

· jtuglu1 opened on May 30, 2026

feat: Added IcebergArrowInputSourceReader

Area - Dependencies

Status: Open (in progress).

apache/druidnumber 19510

#19510 In apache/druid;

· Shekharrajak opened on May 23, 2026

feat: add etag conditional write support to dynamic config

Area - Documentation

Area - Ingestion

Kubernetes

Status: Open (in progress).

apache/druidnumber 19501

#19501 In apache/druid;

· jtuglu1 opened on May 22, 2026

perf: Interval tree for managing segment metadata in memory

Status: Open (in progress).

apache/druidnumber 19138

#19138 In apache/druid;

· pirvtech opened on Mar 11, 2026

feat: Weighted Query Laning Strategy

Area - Documentation

Status: Open (in progress).

apache/druidnumber 19225

#19225 In apache/druid;

· mshahid6 opened on Mar 27, 2026

feat: SIMD sum vector aggregators (Long/Double/Float)

Area - Dependencies

Area - Documentation

Performance

Status: Open (in progress).

apache/druidnumber 19561

#19561 In apache/druid;

· clintropolis opened on Jun 5, 2026

perf: add sort-serving segments index for KillUnusedSegments query

Performance

Status: Draft (not ready).

apache/druidnumber 19645

#19645 In apache/druid;

· jtuglu1 opened on Jun 30, 2026

fix: fix query context precedence layer for datasource-level per-segment timeout

Area - Querying

Area - Web Console

Bug

Status: Open (in progress).

apache/druidnumber 19654

#19654 In apache/druid;

· jtuglu1 opened on Jul 3, 2026