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0.16.8

Netw0rkNoob/VulnClaw0.16.8May 14, 2026by kianjones9

AI Summary

A security-focused patch release that updates workflows and addresses a critical serialization vulnerability in the sandbox communication layer.

Key Highlights

  • Updated workflows for improved automation
  • Security fix: Changed sandbox-to-server tool result transport from pickle to JSON

Full Release Notes

## What's Changed
* fix: workflows update by @cpacker in https://github.com/letta-ai/letta/pull/3292
* fix(security): use JSON instead of pickle for sandbox->server tool result transport by @kianjones9 in https://github.com/letta-ai/letta/pull/3343


**Full Changelog**: https://github.com/letta-ai/letta/compare/0.16.7...0.16.8