problem · Revision 1
Finding: In an external report against langgraph 1.2.12 (langchain_core 1.6.5, Python 3.12.3, Linux), a StateGraph node given trace_policy=TracePolicy(process_outputs=omit_payload) reportedly no longer has its returned AIMessage emitted on stream_mode="messages", while the final
problem · Revision 1
Finding: In the MCP TypeScript SDK v2 source at main commit e16d27729ea2fae144a6d957fd0372d9eb0e6c58 (tested by the reporter on Node.js 24.12.0), UriTemplate.expand() is reported to double-encode existing percent-encoded triplets when expanding reserved (+) and fragment (#) opera
problem · Revision 2
Finding: In an external report (not reproduced by KFA), JsonPlusSerializer in langgraph-checkpoint reportedly fails to round-trip a parametrized pydantic v2 generic such as MyGeneric[MyModel]: the reporter says a dict is loaded instead of the model instance. The report lists pyda
problem · Revision 2
Finding: In modelcontextprotocol/typescript-sdk, an external report says that chaining a Zod method such as .describe() after completable() silently drops the completion. The server then does not advertise the completions capability, and client.complete() fails with -32601 Method
problem · Revision 1
Finding: In the vercel/ai issue report, @ai-sdk/harness-claude-code 1.0.148 (with @ai-sdk/harness 1.0.144, main commit 5028fa4) is reported to emit a compaction event followed directly by terminal finish, with no finish-step, when a turn only performs a compaction. This happens w
problem · Revision 1
Finding: In an external report, on cf 1.0.0-beta.5 (retested on beta.9) with Wrangler 4.143.0, Vite 8.2.2 and Node 24.18.0 on macOS arm64, running cf migrate with --bundler wrangler succeeds, but a following cf build delegates to vite build and fails
problem · Revision 1
Finding: In @ai-sdk/harness-pi 1.0.149 (source commit e00b1b14e99b9f0fcb5e49848b26ff84613ea067), when a Pi tool_execution_end result has empty text, the translated tool-result can keep an envelope with an own details: undefined member, which a strict JSON consumer may reject; tex
problem · Revision 1
Finding: In one external report, cf 1.0.0-beta.5 run as a project devDependency via npx on an already-configured Astro project (astro 7.3.5, @astrojs/cloudflare 14.3.3, wrangler 4.142.0, npm, Linux) runs autoconfiguration during `cf deploy --dry-run` and modifies tracked files, e
problem · Revision 1
Finding: In an external report against modelcontextprotocol/python-sdk (mcp 1.26.0, httpx 0.28.1, Python 3.11.13, Linux), the OAuth client's discovery and dynamic-registration requests reportedly carry no User-Agent header. A WAF-fronted MCP server such as one behind Cloudflare b
problem · Revision 2
Finding: In llama-index-core 0.14.25 (main @ 7e2c60a), per the reporter, the async paths RetrieverEvaluator._aget_retrieved_ids_and_texts, MultiModalRetrieverEvaluator._aget_retrieved_ids_and_texts and ObjectRetriever.aretrieve still call the sync postprocess_nodes() rather than
problem · Revision 1
Finding: In an external report, importing RankLLMRerank from llama-index-postprocessor-rankllm-rerank (current main) with rank-llm 0.25.7 fails with ModuleNotFoundError: No module named 'vllm' when vllm is not installed, even if the chosen reranking backend has nothing to do with
problem · Revision 2
Finding: In an external report against llama-index-core (reporter-reproduced at run-llama/llama_index main commit 962940d; not reproduced by KFA or independently; the reporter says the helper is unchanged at 81f0e06), parse_json_markdown reportedly returns None for a complete, va
problem · Revision 2
Finding: In an external report on cloudflare/workers-sdk issue 16072, local development with a remote dispatch namespace binding (dispatch_namespaces[].remote: true) on wrangler 4.146.0 (miniflare 5.20261001.0-alpha, workerd 1.20261001.1) is said to log "Error: Network connection
problem · Revision 1
Finding: One external report (not reproduced by KFA) says that from 2026-10-10 the Codex Windows desktop app, package version 26.1007.2314.0 on Windows 11 25H2, repeatedly showed Reconnecting and intermittently failed tasks with a stream-disconnected error. The reporter also says
problem · Revision 1
Finding: External reports on cloudflare/workers-sdk issue 15377 say the published miniflare alpha packages (5.20260825.0-alpha, and later 5.20260903.0-alpha and 5.20261006.0-alpha) ship a types entrypoint, dist/src/index.d.ts, that imports ./shared without a matching dist/src/sha
problem · Revision 1
Finding: In one external report, astream_events(version="v2") on langchain-core 1.4.8 (Windows, Python 3.12.7) emits the start event for a failing runnable and the original exception propagates, but no terminal error event such as on_chain_error is emitted (https://github.com/lan
problem · Revision 2
Finding: In an external report, projects using cf 1.0.0-beta.13 with @cloudflare/config 0.24.0 and @cloudflare/workers-types 5.20261007.1 fail tsc declaration emit (declaration: true) when exporting values built with cf/config; the issue's error log is from TypeScript 7.0.2, and
problem · Revision 2
Finding: In an external report, wrangler 4.148.0 (Node 24.14.0, macOS 26.5.2) running `wrangler dev` with `assets.directory` set to the project root (".") and a `send_email` binding is reported to reload the local server repeatedly, and in-flight POST requests are reported
problem · Revision 1
Finding: In an external report (not reproduced by KFA), MarkdownNodeParser in llama-index-core 0.14.25 (Python 3.12.14, macOS arm64) is said to treat ATX headings indented by 1-3 spaces as plain body text, which loses the section boundary and the parent path
problem · Revision 1
Finding: In openai-agents-python, an external report says that when parallel tool calls run and one tool's input guardrail raises ToolInputGuardrailTripwireTriggered after a sibling call has already finished, the finished call and its output are missing from the run data and