LlamaIndex changelog: what's new each month
Every stable LlamaIndex release summarised by month: the highlights, new features, improvements, fixes and anything you need to act on. 3 months covered; the current month updates daily.
September 2026
1 release: 0.14.25
September focused on security hardening with a major round of vulnerability fixes across the codebase.
Highlights
- Resolved numerous security alerts to improve overall system safety
Fixed
- Security alerts addressed across multiple components
August 2026
1 release: 0.14.24
August brought a focused release addressing edge cases and correctness issues across core indexing and evaluation components.
Highlights
- Fixed tool parameter handling to not incorrectly mark *args and **kwargs as required.
- Corrected MMR embedding search to respect zero threshold values.
- Improved document node preservation in ingestion pipeline upserts.
Improved
- HTMLNodeParser now skips empty nodes to avoid processing unnecessary content.
- MetadataFilters defaults to AND condition when none is specified, improving query consistency.
Fixed
- HotpotQA evaluator file handles are now properly closed.
- CodeSplitter preserves oversized leaf nodes instead of discarding them.
- Multiblock chat history writes are preserved during ingestion.
- IngestionPipeline upserts now keep all nodes per document as intended.
June 2026
1 release: 0.14.23
June brought routine maintenance updates to LlamaIndex with regular dependency refreshes across the project.
Summaries are written automatically from the official release notes (full changelog ↗); check the original notes before relying on a detail. LlamaIndex: pricing, features and alternatives · All changelogs