It’s been a long wait, and now it’s here – the release of Solr version 3.1. The 1.4.1 release was in June 2010, and for various reasons there was never a 1.4.2 nor a 1.5 release. Part of the reason is the merge of Lucene and Solr codebase which is also why the version number is 3.1 instead of 1.5.

So what’s new? For me, the single most important features are the Extended Dismax parser (SOLR-1553) and Geospatial search. The full list of improvements is found in CHANGES.TXT, but here are my favorites:

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The brand new version 3.1 of Apache Solr was released yesterday.

We have created a 2-page Apache Solr product sheet, which very briefly (and beautifully) describes the high-level features of the popular search engine, including links for downloading and getting started.

Use it to explain to business persons and decision makers what open source search can do. This is the missing “glossy” merchandise piece of the puzzle if you like.

You are free to re-use the product sheet in your commercial business, as it is licensed under Creative Commons BY-SA, meaning you can even change it as long as you leave the credit and link to Cominvent in place and also share your changes under the same license in the ODF source form.

Download the Solr 3.1 product sheet (PDF).

And here is the Solr 3.1 product sheet master (ODT).