---
title: What's New
description: Release pointers for user-visible StackSats changes.
---

# What's New

Use this page as the release landing pointer.

## 0.4.0 highlights

- Export return types and schema docs were modernized around `StrategyTimeSeriesBatch`.
- Legacy backtest compatibility helpers/constants were removed in favor of explicit runtime APIs.
- Export requires explicit `--start-date` and `--end-date`.

For full details and migration notes, see [`CHANGELOG.md`](https://github.com/hypertrial/stacksats/tree/main/CHANGELOG.md).
For consolidated upgrade mappings, see [Migration Guide](migration.md).

## Latest release

- `0.4.0` (2026-02-18): latest published release on PyPI.

## Recent PyPI releases

- `0.4.0` (2026-02-18)
- `0.3.2` (2026-02-18)
- `0.3.1` (2026-02-17)
- `0.3.0.post1.dev2` (2026-02-17, pre-release)
- `0.3.0` (2026-02-16)
- `0.2.3` (2026-02-16)
- `0.2.2` (2026-02-16)
- `0.1.1` (2026-02-12)
- `0.1.0` (2026-02-12): initial public release of StackSats.

Tag-only (not published to PyPI): `0.2.0`, `0.2.1`.

## Full release history

For complete release notes and unreleased changes:

- [`CHANGELOG.md`](https://github.com/hypertrial/stacksats/tree/main/CHANGELOG.md)
- [GitHub Releases](https://github.com/hypertrial/stacksats/releases)
