---
title: "v0.2.0"
description: "Released April 2, 2026."
type: changelog
date: 2026-04-02T00:00:02.000Z
slug: changelog/0.2.0
---

- Added `SWEBenchProEnvironment` for repo-level patch tasks backed by ScaleAI/SWE-bench_Pro
- Added `TerminalBenchEnvironment` for shell-task evaluation backed by Terminal-Bench 2.0
- Added `MixedEnvironment` for ratio-based multi-benchmark reward routing through existing TRL/reward APIs
- Added reusable `PatchVerifier` for unified-diff parsing, apply checks, and repo test scoring
- Extended reward integrations so per-sample benchmark metadata can flow through existing batch interfaces