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| 1 | +# OpenSearch 3.3.2 and OpenSearch Dashboards 3.3.0 Release Notes |
| 2 | + |
| 3 | +## Release Highlights |
| 4 | +Includes maintenance changes and bug fixes for the OpenSearch core engine and ML Commons, Neural Search, Skills, k-NN and Security plugins. |
| 5 | + |
| 6 | +## Release Details |
| 7 | +[OpenSearch 3.3.2](https://opensearch.org/artifacts/by-version/#release-3-3-2) includes the following bug fix updates. |
| 8 | + |
| 9 | +OpenSearch [Release Notes](https://github.com/opensearch-project/OpenSearch/blob/main/release-notes/opensearch.release-notes-3.3.2.md). |
| 10 | + |
| 11 | + |
| 12 | +## FEATURES |
| 13 | + |
| 14 | + |
| 15 | +### OpenSearch ML Commons |
| 16 | + |
| 17 | + |
| 18 | +* Nova mme support ([#4368](https://github.com/opensearch-project/ml-commons/pull/4368)) |
| 19 | + |
| 20 | + |
| 21 | +## ENHANCEMENTS |
| 22 | + |
| 23 | + |
| 24 | +### OpenSearch ML Commons |
| 25 | + |
| 26 | + |
| 27 | +* Support MCP connector in agent update API ([#4352](https://github.com/opensearch-project/ml-commons/pull/4352)) |
| 28 | +* Add refresh policy; add checkpoint id field ([#4305](https://github.com/opensearch-project/ml-commons/pull/4305)) |
| 29 | + |
| 30 | + |
| 31 | +### OpenSearch Neural Search |
| 32 | + |
| 33 | + |
| 34 | +* [Agentic Search] Add conversation search support with agentic search ([#1626](https://github.com/opensearch-project/neural-search/pull/1626)) |
| 35 | +* [Agentic Search] Extract JSON from Agent Response ([#1631](https://github.com/opensearch-project/neural-search/pull/1631)) |
| 36 | +* [Agentic Search] Extract agent summary based on models ([#1633](https://github.com/opensearch-project/neural-search/pull/1633)) |
| 37 | + |
| 38 | + |
| 39 | +## BUG FIXES |
| 40 | + |
| 41 | + |
| 42 | +### OpenSearch Core Engine |
| 43 | +* Fix issue with updating core with a patch number other than 0 ([#19377](https://github.com/opensearch-project/OpenSearch/pull/19377)) |
| 44 | +* Fix IndexOutOfBoundsException when running include/exclude on non-existent prefix in terms aggregations ([#19637](https://github.com/opensearch-project/OpenSearch/pull/19637)) |
| 45 | +* Add S3Repository.LEGACY_MD5_CHECKSUM_CALCULATION to list of repository-s3 settings ([#19789](https://github.com/opensearch-project/OpenSearch/pull/19789)) |
| 46 | + |
| 47 | + |
| 48 | + |
| 49 | +### OpenSearch k-NN |
| 50 | + |
| 51 | + |
| 52 | +* Do not apply memory optimized search for old indices. ([#2918](https://github.com/opensearch-project/k-NN/pull/2918)) |
| 53 | + |
| 54 | + |
| 55 | +### OpenSearch ML Commons |
| 56 | + |
| 57 | + |
| 58 | +* [Agentic Search] Add extract JSON processor in Query Planning Tool ([#4356](https://github.com/opensearch-project/ml-commons/pull/4356)) |
| 59 | +* Add name validation to index prefix ([#4332](https://github.com/opensearch-project/ml-commons/pull/4332)) |
| 60 | +* Fix CVE-2025-58057 ([#4338](https://github.com/opensearch-project/ml-commons/pull/4338)) |
| 61 | +* Fix unsupported operation exception in execute tool API ([#4325](https://github.com/opensearch-project/ml-commons/pull/4325)) |
| 62 | +* Fixing regex bypass issue ([#4336](https://github.com/opensearch-project/ml-commons/pull/4336)) |
| 63 | +* Fix when return\_history is true ([#4310](https://github.com/opensearch-project/ml-commons/pull/4310)) |
| 64 | +* Use filtered output in agent tool response streaming ([#4335](https://github.com/opensearch-project/ml-commons/pull/4335)) |
| 65 | +* Combine json chunks from requests ([#4317](https://github.com/opensearch-project/ml-commons/pull/4317)) |
| 66 | + |
| 67 | + |
| 68 | +### OpenSearch Remote Metadata SDK |
| 69 | + |
| 70 | + |
| 71 | +* Upgrading netty codec version to match with OpenSearch Core Engine ([#273](https://github.com/opensearch-project/opensearch-remote-metadata-sdk/pull/273)) |
| 72 | + |
| 73 | + |
| 74 | +### OpenSearch Security |
| 75 | + |
| 76 | + |
| 77 | +* Create a WildcardMatcher.NONE when creating a WildcardMatcher with an empty string ([#5694](https://github.com/opensearch-project/security/pull/5694)) |
| 78 | +* Add security provider earlier in bootstrap process ([#5749](https://github.com/opensearch-project/security/pull/5749)) |
| 79 | + |
| 80 | + |
| 81 | +### OpenSearch Skills |
| 82 | + |
| 83 | + |
| 84 | +* Fix regex bypass issue ([#656](https://github.com/opensearch-project/skills/pull/656)) |
| 85 | + |
| 86 | + |
| 87 | +## MAINTENANCE |
| 88 | + |
| 89 | + |
| 90 | +### OpenSearch Core Engine |
| 91 | +* Bump ch.qos.logback modules from 1.5.18 to 1.5.20 in HDFS test fixture ([#19764](https://github.com/opensearch-project/OpenSearch/pull/19764)) |
| 92 | +* Bump org.bouncycastle:bc-fips from 2.1.1 to 2.1.2 ([#19817](https://github.com/opensearch-project/OpenSearch/pull/19817)) |
| 93 | + |
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