Release Notes [2026-02-10] llama-index-callbacks-wandb [0.4.2] Fix potential crashes and improve security defaults in core components (#20610) llama-index-core [0.14.14] fix: catch pydantic ValidationError in VectorStoreQueryOutputParser (#20450) fix: distinguish empty string from None in MediaResource.hash (#20451) Langchain1.x support (#20472) Fix DeprecationWarning: 'asyncio.iscoroutinefunction' is deprecated (#20517) fix(core): fallback to bundled nltk cache if env var missing (#20528) feat(callbacks): add TokenBudgetHandler for cost governance (#20546) fix(core):handled a edge case in truncate_text function (#20551) fix(core):fix in types Thread passing None when target is None instead of copy_context().run (#20553) chore: bump llama-index lockfile, and minor test tweaks (#20556) Compatibility for workflows context changes (#20557) test(core): fix cache dir path test for Windows compatibility (#20566) fix(tests): enforce utf-8 encoding in json reader tests for windows compatibility (#20576) Fix BM25Retriever mapping in upgrade tool (#20582) fix(agent): handle empty LLM responses with retry logic and add test cases (#20596) fix: add show_progress parameter to…