# Tenzir Node v5.32.1

This patch release fixes two correctness issues in stateful pipeline execution. Partition rebuilds now complete after writing replacement partitions, and periodic summarize output remains deterministic for delayed or sparse streams.

## 🐞 Bug Fixes

### Partition rebuild completion

Apr 20, 2026 · [@tobim](https://github.com/tobim), [@codex](https://github.com/codex) · [#6059](https://github.com/tenzir/tenzir/pull/6059)

Partition rebuilds now finish after persisting rebuilt partitions. Previously, rebuild jobs could remain stuck indefinitely even though the replacement partitions were written successfully.

### Deterministic periodic summarize output

Apr 16, 2026 · [@mavam](https://github.com/mavam), [@codex](https://github.com/codex)

The `summarize` operator now starts `frequency`-based emission with the first input event and emits overdue periodic results before later events are aggregated. This makes periodic output deterministic in `reset`, `cumulative`, and `update` modes for delayed or sparse streams.

For example:

```tql
from {ts: 0ms.from_epoch(), x: 1},
     {ts: 90ms.from_epoch(), x: 1},
     {ts: 360ms.from_epoch(), x: 1}
delay ts
summarize count=count(), options={frequency: 300ms, mode: "cumulative"}
```

The first periodic result now consistently reports a count of `2` before the third event arrives.

[ Download on GitHub ](https://github.com/tenzir/tenzir/releases/tag/v5.32.1)

[Get the release artifacts and source code.](https://github.com/tenzir/tenzir/releases/tag/v5.32.1)