2.12.0.0

Version 2.12.0.0 Release Notes

Compatible with OpenSearch 2.12.0

Features

• Add parent join support for lucene knn #1182
• Add parent join support for faiss hnsw #1398

Enhancements

• Increase Lucene max dimension limit to 16,000 #1346
• Tuned default values for ef_search and ef_construction for better indexing and search performance for vector search #1353
• Enabled Filtering on Nested Vector fields with top level filters #1372
• Throw proper exception to invalid k-NN query #1380

Bug Fixes

• Fix use-after-free case on nmslib search path #1305
• Allow nested knn field mapping when train model #1318
• Properly designate model state for actively training models when nodes crash or leave cluster #1317
• Fix script score queries not getting cached #1367
• Fix KNNScorer to apply boost #1403
• Fix equals and hashCode methods for KNNQuery and KNNQueryBuilder #1397
• Pass correct value on IDSelectorBitmap initialization #1444

Infrastructure

• Upgrade gradle to 8.4 1289
• Refactor security testing to install from individual components #1307
• Refactor integ tests that access model index #1423
• Fix flaky model tests #1429

Maintenance

• Update developer guide to include M1 Setup #1222
• Upgrade urllib to 1.26.17 #1278
• Upgrade urllib to 1.26.18 #1319
• Upgrade guava to 32.1.3 #1319
• Bump lucene codec to 99 #1383
• Update spotless and eclipse dependencies #1450