Release Notes [2026-04-21] llama-index-callbacks-honeyhive [0.5.0] chore(deps): bump the pip group across 87 directories with 2 updates (#21382) chore(deps): bump the pip group across 68 directories with 2 updates (#21394) llama-index-core [0.14.21] fix(core): prevent `KeyError` in `DocumentSummaryIndex.delete_nodes` when invalid node ID is provided (#21067) fix(core): handle `ValueError` and `TypeError` from structured output failures (#21090) fix: add explicit UTF-8 encoding to persistence layer fs.open() calls (#21111) Fix Breaking Change in Message Block Buffer Resolution (#21339) chore(deps): bump the pip group across 87 directories with 2 updates (#21382) chore(deps): bump the pip group across 68 directories with 2 updates (#21394) llama-index-embeddings-huggingface-optimum [0.4.1] chore(deps): bump the pip group across 96 directories with 2 updates (#21381) llama-index-embeddings-nvidia [0.5.1] feat(embeddings-nvidia): add http client support (#21046) llama-index-embeddings-oracleai [0.4.0] chore(deps): bump the pip group across 96 directories with 2 updates (#21381) llama-index-embeddings-premai [0.5.0] chore(deps): bump the pip group across 96 directories with 2 updates…