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v0.8.19

probelabs/probev0.8.19Jun 21, 2026by EricLBuehler

AI Summary

This release increases sandbox CPU limits, adds JSON object response format support, and improves engine shutdown safety.

Key Highlights

  • Increased max CPU secs for sandbox
  • Support for JSON object response format
  • Safer engine shutdown process

New Features

  • Sandbox CPU limit increase
  • JSON object response format
  • Safer shutdown mechanism

Full Release Notes

## What's Changed
* feat(sandbox): increase max cpu secs to match shell tool by @EricLBuehler in https://github.com/EricLBuehler/mistral.rs/pull/2264
* feat(server): support json_object response format by @EricLBuehler in https://github.com/EricLBuehler/mistral.rs/pull/2265
* fix(core): safer engine shutdown process by @EricLBuehler in https://github.com/EricLBuehler/mistral.rs/pull/2266


**Full Changelog**: https://github.com/EricLBuehler/mistral.rs/compare/v0.8.18...v0.8.19