YugabyteDB Technical Advisories on YugabyteDB Docs https://docs.yugabyte.com/stable/releases/techadvisories/ Recent content in YugabyteDB Technical Advisories on YugabyteDB Docs Hugo -- gohugo.io en-US TA-14696: DDL Atomicity health check alert shows incorrect results in YugabyteDB Anywhere https://docs.yugabyte.com/stable/releases/techadvisories/ta-14696/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-14696/ The DDL Atomicity health check alert in YugabyteDB Anywhere may display incorrect results, potentially causing confusion about the actual state of database schema operations. TA-20398: Slow execution of copy command and multi-row inserts https://docs.yugabyte.com/stable/releases/techadvisories/ta-20398/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-20398/ Performance degradation occurs when executing COPY commands or multi-row INSERT statements due to inefficient query planning and execution strategies. TA-20648: Index update can be wrongly applied on batch writes https://docs.yugabyte.com/stable/releases/techadvisories/ta-20648/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-20648/ During batch write operations, index updates may be incorrectly applied, potentially leading to index corruption. TA-20827: Query correctness issue with SELECT DISTINCT and BatchNestedLoopJoin https://docs.yugabyte.com/stable/releases/techadvisories/ta-20827/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-20827/ Queries using SELECT DISTINCT with BatchNestedLoopJoin may return incorrect results due to a bug in the join algorithm implementation. TA-20864: Failure of foreign key checks https://docs.yugabyte.com/stable/releases/techadvisories/ta-20864/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-20864/ Foreign key checks may erroneously fail when writes impacting the foreign key check are done in the same statement. TA-21218: DML and DDL operations fail on a colocated table with Packed Rows https://docs.yugabyte.com/stable/releases/techadvisories/ta-21218/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-21218/ DML and DDL operations fail when executed on colocated tables that use Packed Rows storage format. TA-21297: Missing writes during batch execution in a transaction https://docs.yugabyte.com/stable/releases/techadvisories/ta-21297/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-21297/ Some write operations may be lost during batch execution within a transaction, potentially leading to data inconsistency and incomplete transaction processing. TA-21491: Failure of upgrades to release versions 2.18 and 2.20 https://docs.yugabyte.com/stable/releases/techadvisories/ta-21491/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-21491/ Database upgrades to YugabyteDB versions 2.18 and 2.20 may fail due to compatibility issues. TA-22057: Risk of data loss when upgrading to or from version 2.20.3.0 or 2.21.0 https://docs.yugabyte.com/stable/releases/techadvisories/ta-22057/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-22057/ Upgrading to or from YugabyteDB versions 2.20.3.0 or 2.21.0 may result in data loss due to schema migration issues and compatibility problems. TA-22802: Inconsistencies between system catalog and DocDB schema during DDL operations https://docs.yugabyte.com/stable/releases/techadvisories/ta-22802/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-22802/ DDL operations may cause inconsistencies between the PostgreSQL system catalog and the underlying DocDB schema. TA-22935: Potential issues with server-side sequence caching in multi-database clusters https://docs.yugabyte.com/stable/releases/techadvisories/ta-22935/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-22935/ Server-side sequence caching may cause issues in multi-database clusters, potentially leading to sequence value conflicts and data inconsistency across databases. TA-23476: YCQL timestamp precision (Millis vs Micros) issues https://docs.yugabyte.com/stable/releases/techadvisories/ta-23476/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-23476/ YCQL timestamp operations may experience precision issues when handling millisecond vs microsecond timestamp formats. TA-24313: YSQL online index backfill consistency issue https://docs.yugabyte.com/stable/releases/techadvisories/ta-24313/ Fri, 12 Dec 2025 19:49:26 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-24313/ Concurrent index writes from an active workload may be missed when creating an index on a table with existing data. TA-24992: Partial streaming stall after tablet split https://docs.yugabyte.com/stable/releases/techadvisories/ta-24992/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-24992/ After a tablet split operation, partial streaming may stall, potentially causing data replication issues and affecting system performance. TA-25106: TServer fatals with schema packing not found error during DDL operations https://docs.yugabyte.com/stable/releases/techadvisories/ta-25106/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-25106/ TServer processes may crash with a "schema packing not found" error during DDL operations, potentially causing service disruption. TA-25193: Logical replication CDC may fail to stream UPDATE or DELETE changes with specific configurations https://docs.yugabyte.com/stable/releases/techadvisories/ta-25193/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-25193/ Logical Replication CDC may fail to stream UPDATE or DELETE changes correctly when using FULL_ROW_NEW_IMAGE, MODIFIED_COLUMNS_OLD_AND_NEW_IMAGES, or DEFAULT Replica Identity with CDC lag. TA-26440: Transparent Huge Pages (THP) causing memory issues and RSS increase https://docs.yugabyte.com/stable/releases/techadvisories/ta-26440/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-26440/ Transparent Huge Pages (THP) may cause memory issues and increase Resident Set Size (RSS) memory usage, potentially leading to system performance degradation. TA-26666: Memory leak in workloads with foreign keys or serializable reads https://docs.yugabyte.com/stable/releases/techadvisories/ta-26666/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-26666/ A memory leak was identified on TServers for tables with foreign keys or serializable read-only transactions, causing the system to reach soft-memory limit and reject requests. TA-27177: PostgreSQL logical replication breaks during v2025.1 upgrade https://docs.yugabyte.com/stable/releases/techadvisories/ta-27177/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-27177/ PostgreSQL logical replication may break during YugabyteDB v2025.1 upgrade, potentially causing data replication failures and service disruption. TA-27380: Missing rows in xCluster target on range-sharded tables with multiple tablets https://docs.yugabyte.com/stable/releases/techadvisories/ta-27380/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-27380/ Some rows may be missing in xCluster target tables that are range-sharded with multiple tablets, potentially causing data inconsistency in cross-cluster replication. TA-28222: Regression for queries with BNL plans https://docs.yugabyte.com/stable/releases/techadvisories/ta-28222/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-28222/ Queries using Batch Nested Loop (BNL) plans may experience performance regression after database upgrade, potentially causing slower query execution times. TA-28267: Index inconsistency during concurrent expression index creation https://docs.yugabyte.com/stable/releases/techadvisories/ta-28267/ Mon, 17 Nov 2025 20:12:40 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-28267/ Concurrent creation of an expression index and updates to the columns included in that expression index can lead to index inconsistency TA-29060: Large rows can cause CDC to miss WAL records https://docs.yugabyte.com/stable/releases/techadvisories/ta-29060/ Tue, 02 Dec 2025 01:47:07 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-29060/ The WAL reading logic used by CDC can fail to deliver the last batch of records in the active WAL segment TA-2968: Import schema fails on all Voyager installs done after August 14, 2025 https://docs.yugabyte.com/stable/releases/techadvisories/ta-2968/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-2968/ Voyager schema import operations fail for installations performed after August 14, 2025, due to changes in PostgreSQL 17.6 that affect compatibility. TA-CL-23623: Upgrade failure from v2.20 to v2024.1 series https://docs.yugabyte.com/stable/releases/techadvisories/ta-cl-23623/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-cl-23623/ Database upgrades from YugabyteDB v2.20 to v2024.1 series may fail due to compatibility issues. TA-REOL-24: Replicated End of Life https://docs.yugabyte.com/stable/releases/techadvisories/ta-reol-24/ Sat, 15 Nov 2025 00:30:06 +0000 https://docs.yugabyte.com/stable/releases/techadvisories/ta-reol-24/ Replicated has reached end of life and is no longer supported, requiring migration to YugabyteDB Anywhere for continued support and updates.