Update from code changes: document Watsonx reranker - #308
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Update from code changes updated this PR. Updated IBM watsonx embeddings page with new model IDs and space_id option Source PRs
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prrao87
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Jul 22, 2026
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Summary
Documents the IBM watsonx.ai integrations in LanceDB. Adds a new integration page for the
WatsonxReranker, which reorders search results via the watsonx.ai text rerank API across vector, FTS, and hybrid queries. Refreshes the existingWatsonxEmbeddings(IBM watsonx) page to reflect the current supported embedding models and the newspace_idscoping option that mirrors the reranker.Changes
integrations/reranking/watsonx.mdxdocumentingWatsonxRerankerusage, arguments, and per-query-type score support.PyRerankingWatsonxUsagecode snippet tosnippets/integrations.mdx.docs.json.WatsonxRerankerto the reranker table and hosted-provider list inreranking/index.mdx.integrations/embedding/ibm.mdx: refreshed the supported-models list (addedibm/granite-embedding-278m-multilingual,ibm/slate-125m-english-rtrvr-v2,ibm/slate-30m-english-rtrvr-v2,sentence-transformers/all-minilm-l6-v2with dimensions; deprecated the legacy IDs), documented the newspace_idparameter andWATSONX_SPACE_IDenvironment variable, and noted theproject_id/space_idmutual exclusion.Update history
WatsonxRerankerintegration page, snippet, nav entry, and overview-table row. Documents feat(python): added support for WatsonxReranker component lancedb#3642.space_idargument andWATSONX_SPACE_IDenv var, and theproject_id/space_idmutual-exclusion rule. Documents chore(python): refactor legacy code in WatsonxEmbeddings component lancedb#3660.