Issues

• Document how to deduplicate by key and then aggregate without recounting table-changelog updates

  confluentinc/ksql#11210 · Filter by author sumaiyaazad opened on Sep 28, 2026

• Container Vulnerabilities in ksql binary

  enhancementneeds-triage
  confluentinc/ksql#11152 · Filter by author arianaibm opened on Aug 25, 2026

• netty-tcnative-fips-boringssl-static is not present in maven

  bugneeds-triage
  confluentinc/ksql#11084 · Filter by author vsanagou opened on Jul 2, 2026

• JSON_SR format fails with DataException when JSON Schema has "description" annotation

  confluentinc/ksql#11011 · Filter by author macqueen01 opened on Apr 23, 2026

• STREAM LEFT JOIN TABLE drops a subset of events (rows not emitted)

  needs-triage
  confluentinc/ksql#10790 · Filter by author Sh4dow998 opened on Aug 12, 2025

• changelog not up to date

  documentationneeds-triage
  confluentinc/ksql#10783 · Filter by author PrincipeAgustin opened on Aug 8, 2025
  

• Edit README.md to mention lost stars

  documentationneeds-triage
  confluentinc/ksql#10760 · Filter by author stanislavkozlovski opened on Jun 8, 2025

• Can't build jar files

  bugneeds-triage
  confluentinc/ksql#10713 · Filter by author skecskes opened on Mar 21, 2025
  2

• The /query-stream endpoint does not return TOMBSTONE messages

  bugneeds-triage
  confluentinc/ksql#10712 · Filter by author mrt181 opened on Mar 20, 2025

• Latest stable version?

  needs-triagequestion
  confluentinc/ksql#10683 · Filter by author Cognitus-Stuti opened on Feb 6, 2025

• Issue downloading dependency io.confluent.flink:apiserver-client-java

  bugneeds-triage
  confluentinc/ksql#10681 · Filter by author bhargavyk2002 opened on Feb 6, 2025
  3

• ksqlDB cannot manage connectors without X-Confluent-API-Key / X-Confluent-API-Secret headers

  bugneeds-triage
  confluentinc/ksql#10640 · Filter by author credmond opened on Jan 13, 2025

• Streams supporting tombstones

  enhancementneeds-triage
  confluentinc/ksql#10639 · Filter by author sillencem opened on Jan 13, 2025

• ksqldb returning TIMESTAMP in wrong format.

  bugneeds-triage
  confluentinc/ksql#10638 · Filter by author credmond opened on Jan 12, 2025

• Port number appended when path is used with server

  bugneeds-triage
  confluentinc/ksql#10637 · Filter by author boriscosic opened on Jan 10, 2025

• KSQL describe connector "connect-name"; not returning topics or sources

  bugneeds-triage
  confluentinc/ksql#10636 · Filter by author credmond opened on Jan 8, 2025

• Client's executeQuery("<sql>") may or may not complete, depending

  bugneeds-triage
  confluentinc/ksql#10632 · Filter by author credmond opened on Jan 5, 2025

• ksqldb-api-client: cannot configure proxy, truststore managers, key types, daemon threads, etc.

  bugneeds-triage
  confluentinc/ksql#10625 · Filter by author credmond opened on Jan 2, 2025

• ksqldb-api-client pulls in too many unnecessary dependencies

  bugneeds-triage
  confluentinc/ksql#10624 · Filter by author credmond opened on Jan 1, 2025

• How to update renewed ssl certificates with the running KSQL server

  needs-triagequestion
  confluentinc/ksql#10603 · Filter by author balajijagtap opened on Dec 12, 2024

• DROP commands become slow/unresponsive when there is a lot of traffic/load on the cluster

  bugneeds-triage
  confluentinc/ksql#10502 · Filter by author swathimocharla opened on Oct 31, 2024
  3

• CPU is getting exhausted with minimal load on the cluster and KSQL becomes unresponsive

  bugneeds-triage
  confluentinc/ksql#10501 · Filter by author swathimocharla opened on Oct 31, 2024

• Issue with events-schema jar

  bugneeds-triage
  confluentinc/ksql#10458 · Filter by author vsanagou opened on Oct 4, 2024
  3

• UDF execution error when embeded connector is used - from confluent platform version 7.6.2 - Critical

  bugneeds-triage
  confluentinc/ksql#10457 · Filter by author zukowskilz opened on Oct 4, 2024
  3

• Ksqldb increase CPU and Memory overtime and Vetx Thread blocked. Cause Application failover

  bugneeds-triage
  confluentinc/ksql#10440 · Filter by author albinabel365 opened on Sep 21, 2024