# Harness Python v0.1.5

Released 2025-05-26
Release: https://github.com/strands-agents/harness-sdk/releases/tag/python/v0.1.5 · Package: https://pypi.org/project/strands-agents/0.1.5/

## Features
- add reasoning text to callback handler and related tests (https://github.com/strands-agents/sdk-python/pull/109)
- Add dynamic system prompt override functionality (https://github.com/strands-agents/sdk-python/pull/108)
- Update SlidingWindowConversationManager (https://github.com/strands-agents/sdk-python/pull/120)

## Fixes
- use logo that changes color automatically depending on user's color preference scheme (https://github.com/strands-agents/sdk-python/pull/105)
- fix agent span start and end when using Agent.stream\_async() [otel] (https://github.com/strands-agents/sdk-python/pull/119)

## Other
- models - openai - argument none [model] (https://github.com/strands-agents/sdk-python/pull/97)
- add open PRs badge + link to samples repo + change 'Docs' to 'Documentation' (https://github.com/strands-agents/sdk-python/pull/100)
- add logo (https://github.com/strands-agents/sdk-python/pull/101)
- add logo, title, badges, links to other repos, standardize headings (https://github.com/strands-agents/sdk-python/pull/102)
- use dark logo for clearer visibility when system is using light color scheme (https://github.com/strands-agents/sdk-python/pull/104)
- 🔥🕊️ Rise of the Phoenix: Event Loop Refactor (https://github.com/strands-agents/sdk-python/pull/106)
- v0.1.5 (https://github.com/strands-agents/sdk-python/pull/121)

## First-time contributors
- @josephgultekin (#109)
- @Shubhamraut01 (#108)
- @fede-kamel (#106)