v1.19.0

huggingface/smolagentsv1.19.0Jun 24, 2025by albertvillanova

AI Summary

Focuses on agent upgrades including managed agents support and context managers. It also refactors streaming aggregation and improves output tracking within ActionSteps.

Key Highlights

Support for managed agents in ToolCallingAgent
Support for context managers for agent cleanup
Refactored streaming aggregation off the Model class
Store CodeAgent code outputs in ActionStep

New Features

Managed agents
Context managers
Streaming refactoring
Output tracking

Full Release Notes

## Enhancements 🛠️

* **Agent Upgrades**:
  * Support managed agents in ToolCallingAgent by @albertvillanova in https://github.com/huggingface/smolagents/pull/1456
  * Support context managers for agent cleanup by @tobiasofsn in https://github.com/huggingface/smolagents/pull/1422
  * Change code tags to xml by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1442

* **UI Improvements**:
  * Support reset_agent_memory in GradioUI by @JakeBx in https://github.com/huggingface/smolagents/pull/1420

* **Streaming Refactor**:
  * Transfer aggregation of streaming events off the Model class by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1449

* **Agent Output Tracking**:
  * Store CodeAgent code outputs in ActionStep by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1463

## Bug Fixes 🐛
* Fix Agent update planning logic by @Zoe14 in https://github.com/huggingface/smolagents/pull/1417
* Remove plural from named argument return_full_results in examples by @vladlen32230 in https://github.com/huggingface/smolagents/pull/1434
* Fix and refactor final answer checks by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1448
* Fix logging of Docker build logs by @tobiasofsn in https://github.com/huggingface/smolagents/pull/1421
* Add a mention of additional_args in the manager agent's prompt by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1441
* Fix missing mentions of additional_args in manager agent prompts by @albertvillanova in https://github.com/huggingface/smolagents/pull/1459
* Fix: `__new__` method only accepts class object, remove **args and **kw… by @abdulhakkeempa in https://github.com/huggingface/smolagents/pull/1462
* Do not wrap types in safer_func by @albertvillanova in https://github.com/huggingface/smolagents/pull/1475
* Match multiline final answers in remote executors by @albertvillanova in https://github.com/huggingface/smolagents/pull/1444
* Revert removal of the last message from memory_messages during planning by @Zoe14 in https://github.com/huggingface/smolagents/pull/1454

## Documentation Improvements 📚

* **Quickstart Enhancements**:
  * Add simple tool usage in doc quickstart by @aymeric-roucher in https://github.com/huggingface/smolagents/pull/1470
  * Add open-colab link to Quickstart docs by @albertvillanova in https://github.com/huggingface/smolagents/pull/1472

* **Reference Docs**:
  * Add AgentMemory to Reference docs by @albertvillanova in https://github.com/huggingface/smolagents/pull/1473
  * Add docstrings to GradioUI by @albertvillanova in https://github.com/huggingface/smolagents/pull/1451

* **Fixes & Formatting**:
  * Correct broken link in documentation homepage by @johntony366 in https://github.com/huggingface/smolagents/pull/1468 
  * Rename docs files from .mdx to .md by @albertvillanova in https://github.com/huggingface/smolagents/pull/1471

## Maintenance 🏗️
* Bump dev version: v1.19.0.dev0 by @albertvillanova in https://github.com/huggingface/smolagents/pull/1427


## New Contributors
* @Zoe14 made their first contribution in https://github.com/huggingface/smolagents/pull/1417
* @vladlen32230 made their first contribution in https://github.com/huggingface/smolagents/pull/1434
* @JakeBx made their first contribution in https://github.com/huggingface/smolagents/pull/1420
* @abdulhakkeempa made their first contribution in https://github.com/huggingface/smolagents/pull/1462
* @johntony366 made their first contribution in https://github.com/huggingface/smolagents/pull/1468

**Full Changelog**: https://github.com/huggingface/smolagents/compare/v1.18.0...v1.19.0