25 Jan 2022,  Apache Solr™ 9.1.1 available

The Solr PMC is pleased to announce the release of Apache Solr 9.1.1

Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search and analytics, rich document parsing, geospatial search, extensive REST APIs as well as parallel SQL. Solr is enterprise grade, secure and highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.

This release contains several bug fixes. The release is available for immediate download at:

https://solr.apache.org/downloads.html

Please read CHANGES.txt for a detailed list of changes:

https://solr.apache.org/docs/9_1_1/changes/Changes.html

Solr 9.1.1 Release Highlights

Bugfixes

• SOLR-16589: Fixed issue where large fields with large=true could be truncated when using unicode values
• SOLR-16585: Fixed NPE when paginating MatchAllDocs with non-zero start offset, like q=*:*&start=10
• SOLR-16165: Fixed rare deadlock in SlotAcc static initialization
• SOLR-16622: Fixed issue where replicas could fail to register as active after node restart

Other changes

• SOLR-16443: Upgrade Jackson bom to 2.13.4.20221013
• SOLR-16568: Upgrade woodstox-core to 6.4.0
• SOLR-16598: Upgrade Protobuf to 3.21.12
• SOLR-16567: Fixed problem with filtering and KNN search, especially when using post-filters
• SOLR-16588: Fixed problem with default knn algorithm
• SOLR-16480: ConfigSets now have an overridable allow-list for filetypes