Issues

• CAS: AsyncLoader fails to load cas table

  antalyaCAS
  Altinity/ClickHouse#2460 · Filter by author eyyu opened on Oct 1, 2026
  1

• system.iceberg_history and system.iceberg_files list nothing for Glue catalog tables

  antalyabugcatalogs
  Altinity/ClickHouse#2457 · Filter by author DimensionWieldr opened on Sep 30, 2026

• Glue DataLakeCatalog ALTER schema commit fails after 100 retries

  antalyabugcatalogs
  Altinity/ClickHouse#2454 · Filter by author DimensionWieldr opened on Sep 30, 2026

• Swarm: tracking

  antalyaswarms
  Altinity/ClickHouse#2447 · Filter by author ianton-ru opened on Sep 30, 2026
  

• CAS Backlog

  antalyaCAS
  Altinity/ClickHouse#2441 · Filter by author filimonov opened on Sep 27, 2026

• aarch64: server aborts in CHJIT while compiling a large lightweight DELETE (26.3.33)

  bugstable
  Altinity/ClickHouse#2433 · Filter by author alsugiliazova opened on Sep 25, 2026
  1

• CAS: an 8-second S3 503 fences the mount lease while the lease budget remains

  antalyabugCAS
  Altinity/ClickHouse#2431 · Filter by author DimensionWieldr opened on Sep 24, 2026
  1

• CAS: fixed per-round GC budgets make the ref-log LIST grow without bound and collapse GC throughput

  antalyabugCAS
  Altinity/ClickHouse#2429 · Filter by author filimonov opened on Sep 24, 2026

• Token-based authentication and authorization (OAuth) tracking

  antalya
  Altinity/ClickHouse#2428 · Filter by author zvonand opened on Sep 24, 2026
  

• Hybrid tables: tracking

  antalyahybrid
  Altinity/ClickHouse#2426 · Filter by author mkmkme opened on Sep 24, 2026
  

• CI: a stalled submodule fetch hangs the build until the job timeout, and the retry never runs

  bugstable
  Altinity/ClickHouse#2417 · Filter by author CarlosFelipeOR opened on Sep 23, 2026
  2

  

• OPTIMIZE TABLE ... MANIFEST can delete a published snapshot and drop manifest statistics

  antalya
  Bug

  Altinity/ClickHouse#2416 · Filter by author Selfeer opened on Sep 22, 2026
  

• CAS: the mount-lease renewal can be killed by the memory tracker, which loses the mount

  antalyaCAS
  Altinity/ClickHouse#2403 · Filter by author filimonov opened on Sep 17, 2026

• S3_ERROR is not actionable, and CAS compare-and-swap contention has no first-class metric

  CASenhancement
  Altinity/ClickHouse#2397 · Filter by author BorisTyshkevich opened on Sep 17, 2026
  2

• Support for Delta Lake clustered(Liquid) tables.

  antalyaenhancement
  Altinity/ClickHouse#2394 · Filter by author subkanthi opened on Sep 16, 2026
  

• Iceberg v3: tracking

  antalya
  Altinity/ClickHouse#2390 · Filter by author subkanthi opened on Sep 16, 2026

• REST catalog: ClickHouse-written metadata files are never referenced by the catalog, so DROP TABLE with data_lake_delete_data_on_drop = 1 leaves them behind and the table cannot be re-created with an explicit engine

  antalya
  Bug

  Altinity/ClickHouse#2387 · Filter by author Selfeer opened on Sep 16, 2026
  

• CREATE TABLE in a DataLakeCatalog over a REST catalog takes ~33 s whenever the namespace already exists

  antalya
  Bug

  Altinity/ClickHouse#2386 · Filter by author Selfeer opened on Sep 16, 2026
  1

  

• CAS: recoverable Code 210 on ref-log abandon escapes into noexcept afterCommit → std::terminate (Server died)

  antalyaantalya-26.6bugCAS
  Altinity/ClickHouse#2344 · Filter by author alsugiliazova opened on Sep 10, 2026

• CAS: concurrent ATTACH PARTITION / INSERT loses the 90s ref_catalog/_ckpt policy (Code 210); common-pool num_tries then 300s-backs off REPLACE_RANGE

  antalyaantalya-26.6bugCAS
  Altinity/ClickHouse#2343 · Filter by author alsugiliazova opened on Sep 10, 2026
  7

  

• Working hypothesis: the bug is in the local ReadFromMergeTree / MergeTreeReadTask branch used by a Distributed-query initiator. Forcing all shards remote with prefer_localhost_replica = 0 removes the dominant crash trigger : 25.8.28.10001.altinitystable

  stable
  Altinity/ClickHouse#2342 · Filter by author coreground opened on Sep 10, 2026
  2

• CAS: concurrent SELECT FINAL drops the mount lease with no object-store outage (cas_selects)

  antalyaantalya-26.6antalya-26.6.2.20001bugCAScicd-failure
  Altinity/ClickHouse#2332 · Filter by author alsugiliazova opened on Sep 9, 2026
  4

  

• Concurrent lightweight DELETE can leave a row (MergeTree count=1 after deleting the whole table)

  antalyaantalya-26.6bugCAScicd-failure
  Altinity/ClickHouse#2331 · Filter by author alsugiliazova opened on Sep 9, 2026
  3

• antalya-26.6: test_auth_token_profile_events fails in all integration builds (broken by #2222)

  antalyacicd
  Altinity/ClickHouse#2323 · Filter by author CarlosFelipeOR opened on Sep 7, 2026

• Port graph for antalya-26.8

  antalya-26.8releasy
  Altinity/ClickHouse#2322 · Filter by author zvonand opened on Sep 7, 2026
  24