---
title: FW 6.1.35.120 / OS 12.15.11.97 Release Notes
slug: support/fw-6135120-os-12151197-release-notes
createdAt: 2026-11-04T22:24:33.258Z
---

**Enclosure Firmware Version 6.1.35.120 / OS 12.15.11.97 Release Notes**
****
**Release Dates**

- Production Go Live: November 5, 2026
- Field Go Live: November 5, 2026


**Platforms**
ODIN

**Affected Models**

All TS2XXX models on the ODIN hardware platform.

**Firmware Version**

- **Production:**  FW v6.1.35.120 / OS v12.15.11.97 / MCU v1.2.22 should be installed on all new production models on the ODIN hardware platform.
- **Field:  **FW v6.1.35.120 / OS v12.15.11.97 / MCU v1.2.22 should be installed on all field units on the ODIN hardware platform as soon as possible.

**Overview of Changes**

This patch release improves temperature settings, web interface performance and network reliability on the ODIN hardware platform.

**Critical Bug Fixes**

- Temperature limits below zero can now be set remotely without a reboot.
- Improved web interface responsiveness and fixed the traceroute tool.
- Improved wired network reliability at start-up.
- Fixed a rare issue that could stop internal controller synchronization.

** Device Definitions**

***No device definition changes are required to adopt this release. ***

As always, it is recommended that customers use the most current device definitions available unless instructed otherwise by the Terso Customer Success team.

·        FW v6.1.xx, Ambient Cabinet

·        FW v6.1.xx, NonRFID

·        FW v6.1.xx, Standard Freezer

·        FW v6.1.xx, Standard Refrigerator

·        FW v6.1.xx, ULT

·        FW v6.1.xx, Lockless Cabinet