# Release Notes — 2.59

Covers the **2.59** release series. Most recent patch: **2.59.2**.

Unless a subsection notes otherwise, changes apply to both Monad SaaS and self-hosted.

## New features & improvements

- **Pipeline throttling alert rule** — Monad now auto-creates a default alert rule that tells you when a pipeline is being *throttled* — that is, when Monad deliberately slows how fast a pipeline ingests or forwards data (to protect the platform under load, or when a downstream destination can't keep up). The alert makes a slowdown visible instead of silent; it's on by default on your pipelines' alert rules.

## New connectors

None this series.

## Fixes

- **Expand-all in the schema field tree** — the expand-all control in the schema field tree now works correctly.
- **Transform name and description fields now show an edit icon** — a pencil marks the inline name and description fields. The capability itself is unchanged; it is simply easier to notice now.
- **Sentinel writes are more reliable** — fixed a problem where writes to the Microsoft Sentinel output could time out or back up; delivery to Sentinel is now steady.

**Self-hosted only**

- **No stray billing lookups when billing is disabled** — deployments running with billing turned off no longer attempt to fetch billing accounts.

## Breaking changes

None.

## Need help?

See the [Monad docs](https://app.monad.com/docs) for setup guides and reference, or reach out to Monad Customer Support at [support@monad.com](mailto:support@monad.com) or via your dedicated Slack customer channel.

:::note
Self-hosted deployments upgrade to a `2.59.x` release with
`helm upgrade`. Review the **Breaking changes** section above before upgrading;
when it says "None," the upgrade is drop-in.
:::