Drill 1.21.2.10 (EEP 9.3.3) Release Notes
The notes below relate specifically to the HPE Ezmeral Data Fabric distribution for Apache Drill. You may also be interested in the Apache Drill homepage and the Apache Drill release notes:
| Version | 1.21.2.10 |
| Release Date | April 2026 |
| HPE Version Interoperability | See Ecosystem Support Matrix and Ecosystem Pack Components and OS Support. |
| Package Names | Navigate to http://package.ezmeral.hpe.com/releases/MEP/, and select your EEP(MEP) and OS to view the list of package names. |
New in This Release
Drill 1.21.2.10 introduces the following enhancements or HPE platform-specific behavior changes:
- Bug fixes.
- CVE fixes.
Fixes
This HPE release includes the following fixes on the base release:
| Commit | Date (YYYY-MM-DD) | Comment |
| e2ecfe0d85 | 2026-03-26 | MD-6649: Add support for Iceberg TIMESTAMP with time zone |
| fc928da8f1 | 2025-12-01 | MD-6648: resolve orc-core transitive dependencies conflict |
| 232464b7af | 2025-07-07 | Bump logback version to 1.3.15 |
| 1fe256ae59 | 2025-05-22 | MD-6617: Migrate fully to Apache Commons Collections 4.x |
| 93af4de4c3 | 2026-03-19 | MD-6659: Update Netty framework to 4.1.131 |
| 2b4f9f1895 | 2025-09-25 | MD-6638: Upgrade Netty and Jetty to secure versions. Bump netty-tcnative version |
| 71d3194a55 | 2026-03-18 | MD-6665: Disable HashAgg for collect_to_list_varchar due to ordering requirements |
| fef9483edd | 2025-04-10 | MD-6654: [MINOR UPDATE] upgrade to POI 5.4.1 (#2983) |
| a607d57204 | 2025-04-28 | MD-6607: Upgrade parquet-avro to 1.15.1 |
| 03518cc5ae | 2024-10-29 | MD-6556: Modify and clean Apache Drill JDBC driver dependency list (#601) |
| f81043ca8d | 2024-10-28 | MD-6555: add WARN logs on multiple AuthenticatorFactory implementations. Clear ClientAuthenticatorProvider code |
| 93551b463b | 2024-10-26 | MD-6555: Add SPI for AuthenticatorFactory. Add MaprSasl to jdbc-all |
| c251ce80f4 | 2024-10-17 | MD-6576: Remove GuavaPatcher and ProtobufPatcher |
Known Issues
- DRILL-8511: Experimental JSON reader (configuration option
store.json.enable_v2_readerset totrue) fails withIllegalStateExceptionwhen a batch reaches the rows limit.
Limitations
- Some unequal left joins may start failing in this release. For details, see Drill Limitations: Unequal JOIN Support.
- The Hive storage plugin for Drill does not support reading of the parquet timestamp type with the int64 logical type.