Vespa Newsletter, June 2022

The June 2022 Vespa newsletter highlights the release of Vespa 8, which now runs on Java 17 and CentOS Stream 8, offering several new features and improvements. These include support for pre- and post-filtering in Approximate Nearest Neighbor (ANN) searches, allowing users to balance precision and performance effectively, as well as fuzzy query matching using Levenshtein edit distance to improve search accuracy. Vespa also introduces embedding support, enabling the mapping of data into abstract vector spaces for efficient retrieval and computation. Further advancements include fast-rank for reduced latency in tensor ranking expressions and support for importing ONNX models in rank profiles. The newsletter also mentions the availability of new Vespa blog posts and training videos focused on advanced search techniques and system troubleshooting.