{
  "date": "2026-10-16",
  "issue": 237,
  "admitted": false,
  "boundary": "Default-off nested external Java Row scalar arguments/results; released generated Flink conversion; Arrow ownership/key/UNNEST/order transport.",
  "base_revision": "b170a474d5658330ed7e92e9b8bcc54117c8d287",
  "source_worktree_clean": false,
  "native_build": "cargo build --locked -p streamfusion --release --features mimalloc",
  "native_sha256": "acf7e95b8a2170af17817b75c9f7a5938237d93a0197f1321550a18ddf4af140",
  "limitations": [
    "No throughput admission or speed claim from correctness/fixture smoke timings.",
    "Planner and task flags must agree; separate-JVM deployment and recovery contracts remain pending.",
    "Profiles retained separately precede final native codec changes and exclude all timings.",
    "Full unprofiled representative stock and immutable previous-runtime comparisons remain required."
  ],
  "source_sha256": {
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    "native/engine/benches/keys_and_checkpoints.rs": "c98d96c0c1ea0f1ed9fedff9827f584b769116e3a14348372478a7cb6fbf38ea",
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    "src/main/java/tech/streamfusion/arrow/vectors/ArrowRowColumnVector.java": "a95451619f24606c660e19dab55f5a2df8ac2189ee62660f36ce036482af5312",
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