====================================
Lantronix X300 series
Software Release Notes
Copyright 2022 Lantronix Inc.
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===============
RELEASE SUMMARY
===============
Version:        2.6.0.4R6
Release Date:   June 28, 2026

==============
RELEASE STATUS
==============
  Alpha         ( )
  Beta          ( )
  Production    (X)
  Test          ( )

==================
PRODUCTS SUPPORTED
==================
  o  Lantronix X300, X303, X304

=========
BUG FIXES
=========
Fix for CVE-2025-67034, CVE-2025-67036, CVE-2025-67037, and CVE-2025-67038

============

2.6.0.3R6 (December 11, 2025)
------------------------

============
NEW FEATURES
============
Security:
	- EN18031 compliance
	- SMS commands require the sender to be configured as admin number

================
REMOVED FEATURES
================
- 802.11r (Fast BSS Transition or FT)


=========
BUG FIXES
=========
Stability and performance improvements.

============
KNOWN ISSUES
============
Event configuration changes require a reboot

===============
RELEASE HISTORY
===============

2.5.0.0R15 (July 24, 2025)
------------------------

============
NEW FEATURES
============
Security:
	- Intrusion detection: device can be configured to block connection from IP addresses after failed login attempts from SSH and Web interface
	- Minimum length for root and admin passwords is now 8 characters

- Added support for device crash dump report

- DOTA: Custom https sites can now be configured for username password authentication

================
REMOVED FEATURES
================
- SSH access by admin is now disabled

=========
BUG FIXES
=========
Fixed issue with firmware update from Percepxion
Stability and performance improvements.

============
KNOWN ISSUES
============
- 802.11r (Fast BSS Transition or FT) is not supported in this release.

============

2.3.0.0R19 (December 18, 2024)
------------------------

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NEW FEATURES
============
- Security
	o SSH access on first boot/factory reset requires changing user password similar to Web GUI
	o Update OpenSSL version to 3.0.9 which brings in TLS 1.3 support, bug and CVE fixes.
- Percepxion: 
	o Web connect allows access to the device Web GUI from Percepxion platform.
	o Telemetry:
		- Add Digital and Versatile IO status to telemetry
		- Cellular:
			o Firmware version
			o Registered band
			o IMSI, ICCID, SIM status, Network status, Signal strength, Operator name, Operator number, Operator type, Roaming state
		- Add mechanism to add custom telemetry data
- Industrial Protocols:
	o IEC 104 MQTT
- Cellular:
	o Add support for 464XLAT protocol to provide connectivity if the cellular uplink is IPv6 only.
	o Add support to manually edit the SIM configuration file
	o Add support to select/unselect bands for faster cellular connectivity.
- Bluetooth: 
	o Add support to discover or use specific channel when connecting to BT SPP device.
- Serial lines:
	o Add support for 'Management Console' which is now the default mode. This allows shell access to the device. 
- Tunnel:
	o Add support for TruPort.
- System software and updates are now available on update.lantronix.com instead of updates.d2sphere.com

================
REMOVED FEATURES
================

=========
BUG FIXES
=========
Stability and performance improvements.

============
KNOWN ISSUES
============
- 802.11r (Fast BSS Transition or FT) is not supported in this release.


2.2.0.0R23 (July 21, 2024)
------------------------

============
NEW FEATURES
============
- Fix CVE-2023-48795 SSH Terrapin vulnerability
 
================
REMOVED FEATURES
================
 
=========
BUG FIXES
=========
Stability and performance improvements.


2.1.0.0R16  (2023-10-24)
------------------------

============
NEW FEATURES
============
Add support to update firmware and configuration from USB drive/MMC card.
Add support to connect to a default wireless client network for initial setup.
Switch over to Percepxion, a new device management portal.
    Syslog and device audit log
Add support for Wireguard and Zerotier.
User installed packages are restored automatically after a firmware update.
Add support for newer SSH clients
Fix potential connectivity issue if custom APN was configured on previous release

================
REMOVED FEATURES
================

=========
BUG FIXES
=========
Stability and performance improvements.


2.0.0.0R28  (2022-11-12)
------------------------

NEW FEATURES
============

Improves Home page and Status/Overview loading time for quick access to device.
Improves last gasp handling and device shutdown after main power is unavailable.
Add support for custom APN when connecting to the cellular network.
Add support for updating the cellular module firmware.
ConsoleFlow:
	Select On-Premise or Cloud server.
	Retrieve device syslog.
	Send CLI commands to device.
	Disable remote access from device and ConsoleFlow..
	Configure SSL Credentials and GPS.
Copper Test diagnostic feature to test whether a port can link up or not through a RJ45 connector and determine the cable performance.

REMOVED FEATURES
================

BUG FIXES
=========

Improves firmware image verification before install.
Fix a possible case where the device CPU usage became high.
Stability and performance improvements.


1.9.0.0R10  (2022-11-12)
------------------------
Initial release