deepagents==0.4.4

langchain-ai/deepagentsdeepagents==0.4.4Feb 26, 2026by github-actions[bot]

AI Summary

This patch release focuses on SDK stability with multiple bug fixes for path handling, tool validation, and performance optimizations. The release includes security-related path sanitization improvements and performance enhancements for summarization and memory loading.

Key Highlights

Fix path stripping consistency in CompositeBackend grep and glob operations
Add timeout to glob in FilesystemMiddleware for better control
Validate tool_call_id before subagent invocation
Parallelize summarization offload and LLM summary generation
Batch memory source loading into single download_files call

New Features

Path handling fixes for grep, glob, and filesystem operations
Tool call validation before subagent invocation
Template param bundling into base64 payload
Performance optimizations for summarization and memory loading

Full Release Notes

Changes since deepagents==0.4.3
release(deepagents): 0.4.4 (#1519)
fix(sdk): use consistent path stripping in CompositeBackend grep and glob (#1504)
fix(sdk): add timeout to glob in FilesystemMiddleware (#1508)
fix(sdk): validate tool_call_id before subagent invocation (#1506)
fix(sdk): bundle read template params into single base64 payload (#1500)
fix(deepagents): preserve ToolMessage artifact when evicting large outputs (#1482)
fix(sdk): fix glob matching with ** in _python_search fallback (#1350)
fix(sdk): sanitize paths in BaseSandbox ls_info and read templates (#1484)
docs(sdk): fix SkillsMiddleware.before_agent docstring to reflect caching behavior (#1495)
perf(sdk): parallelize summarization offload and LLM summary generation (#1488)
chore(sdk): add coverage to Makefile (#1493)
perf(sdk): batch memory source loading into a single download_files call (#1490)

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Thanks to our contributors: @dotuananh0712, @AdemBoukhris457, @OiPunk