========== 2026-02-28 ==========
APP Version 15.0.0.0

Add
01. I/O Messages → Email
02. I/O Messages → Line
03. I/O Messages → Telegram
04. Added MQTT communication for all modules to the software point

Bug Fixes
01. RESTful API: /AllVariableName could not retrieve data
02. OPC UA Client: Automatically search for DataType for Node ID
03. Firmware Update: Removed the green light after installation
04. Channel not equal to Nickname
05. AO/AI changed light number
06. Fixed MQTT Will exception when storing

========== 2025-06-30 ==========
APP version 14.0.0.0

Add
01.Line Messaging API
02.OPC UA Client adds data type for customers to customize
03.Utility can query the communication protocol status of U-7500M's HTTPS & OPC UA Server/Client & MQTT Client
04.Web HTTP communication adds CSP

bug fixes
01.MQTT: Will will send a Will message when the connection is restored
02.Backup: Can backup *.crt, *.key
03.Backup: Backup firewall settings
04.Compatibility: Compatible with *.crt, *.key
05.Compatibility: OpcuaClientJson has a new field added, which needs to be backward compatible
06.OpcuaClient: When the IP is empty, the program does not start
07.OpcuaClient: Improve the efficiency of searching nodes
08.OpcuaClient: When the connection is wrong, return an error message
09.Network settings: Prevent mask = 255.255.255.255

========== 2024-12-31 ==========
APP version 13.0.0.0

Add
01.Credential management
02.ping tool

bug fixes
01.Corrected that MQTT will top cannot be used
02.Modify the judgment method for uploading Project_*.zip
03.Modify the judgment method of uploading AllSettings_*.zip
04.Improve the version of mosquitto
05.Time setting: complete time zone
06.Web Server settings: When set to http = false & https = false, force http = true
07.Web Server Settings: You can download the file extension .crt
08.OPC UA Client settings: Prompt that only IPv4 can be used
09.MQTT Client certificate: When uploading files, delete all files in the directory
10.Firewall settings: Display warning message (please check the IP range to avoid failure to connect the module)

========== 2024-09-30 ==========
APP version 12.0.0.0
01.[OPC UA Settings] > [Server Settings]: Security Policy, added Basic256Sha256, Aes128Sha256RsaOaep, Aes256Sha256RsaPss.
02.[OPC UA Settings] > [Client Settings]: Security policy, added Basic256Sha256, Aes128Sha256RsaOaep, Aes256Sha256RsaPss.
03.[Module Settings] > [Project File]: Upload and download "APP Project File + System Settings".
04.[Module Settings] > [I/O Settings]: Analog input is added as an enabled item.
05.[Advanced Settings] > [EZ-UAQ Utility]: Add Nickname.

bug fixes
01.Operating system: Correct sector settings.
02.OPC UA Client: Lifts the restriction that only NameSpace = 2 can be searched.
03.Optimize ufw settings.
04.Optimize CorrectionTime.sh.
05.[System Settings] > [Time Settings]: Increase NTP storage speed.
06.[OPC UA Settings] > [Server Settings]: Improve storage speed.
07.[Advanced Settings] > [Rule Settings] > LogicControl.json has no valid settings and will stop directly.
08.UA_API_ReadArray(VariableIndex, Variable, Result) The first parameter VariableIndex, if size is 0, will always return the runtime disconnection.

========== 2023-12-31 ==========
APP version 11.0.0.0

bug fixes
01. Rule setting: UI modification.
02.OPC UA Server: Open project that automatically trusts all client credentials.
03.RESTful API: PUT channel variables cannot be repeated.
04. Network settings: Unlock host name.
05.Link-Up: Timeout (seconds) >= 1.
06.Link-Up: Change the module and the DO/AO project will run away.
07. Event log: I/O sequence error.
08. After uploading the project file, UA-I/O will restart.
09.WebServerSettingJson has no synchronized data.
10. Change the location for uploading firmware. /dev/shm -> /mnt.

========== 2023-09-30 ==========
APP version 10.0.0.0

Add
1.OPC UA Client
2. RESful API custom format
3. EZ-UAQ-Utility Settings
4. HTTPS: add download credentials

bug fixes
1. Utility Server: Modify the judgment basis for disconnection

========== 2023-05-31 ==========
APP version 9.0.0.0

Add
1. Event log & Line
2. Utility Server can cross network segments
3. Add project file backward compatibility
4. Hardware initialization

bug fixes
1. Utility Server: add 0x00000. When the command cannot be found, return 0x00000
2. MQTT JSON: Every time a message is sent, all I/O values ​​are sent
3. Device file: AllMQTTService.xml, MQTTService.xml data is wrong, has been corrected

========== 2023-03-31 ==========
APP version 8.0.0.0

I/O setting: add I/O alias
I/O Overview : Add to Comparison Table
Event log: AI/O joins the judgment upper limit value, lower limit value and abnormality and returns to normal, and then records the message
Event log: log files can be deleted
Event log : The log file is in days
Firewall: Add the allowed segment IP
Numeric conversion (AI/O module): add alias
Numerical conversion (AI/O module): source variable: automatic conversion of maximum and minimum values
Support IoTstar : real-time I/O data display
Support IoTstar: Historical I/O data display
Support IoTstar : UA-I/O Data -> IoTstar -> Enter Database
Support IoTstar: remote control DO, AO value
Support Utility : Added MacAddress and Version
Support Utility : Multi-Module Firmware Update
Support Utility: Multi-module project file download
Support Utility: download log files of multiple modules

========== 2022-12-26 ==========
APP version 7.0.0.0
Size : 10,984,995 bytes

Web page
1. Interface: Advanced Features > IoTstar Settings
2. Interface: MQTT Settings > Connection Settings > Test Connection
3. Interface: Module Settings > I/O Status > DI Counter

software
1. Underlying program: add IoTstar settings
2. Bottom layer program: add to check the bottom plate model

========== 2022-06-09 ==========
APP version 6.0.0.0
Size : 9,754,623 bytes

Web page
1. Interface: Advanced Features > Logic Control > I/O Control
2. Interface: System Settings > Account Settings > User Settings

software
1. Account password: When the login is abnormal, send a letter to notify
2. Account password: Provide user account password
3. Logic control: add I/O control to improve readability
4. MQTT Client joined the keeplive project
5. Firmware update: keep the project configuration file
6. Firmware update: add sha1 verification
7. Bug fix: service set PrivateTmp=no, solve the problem of too many inodes
8. Join DI Counter

========== 2022-01-19 ==========
APP version 5.0.0.0
Size : 9,571,382 bytes

Web page
1. Interface: Advanced Features > Logic Control > Delay
2. Interface: Advanced Function > Logic Control > Schedule

software
1. Runtime correction Scaling can write points and input values
2. Join the scheduler
3. Support RESTful API (HTTPS)



========== 2021-09-23 ==========
APP version 4.0.0.0
Size : 7,893,545 bytes

Web page
1. Interface: Web Server Settings > HTTPS
2. Interface: Firewall Settings
3. Interface: Time Setting > NTP Time Calibration
4. Interface: Advanced Settings > Event Log
5. Interface: Advanced Settings > Rule Settings
6. Account settings: add password policy

software
1. Add logic control service: create a simple logic control script
2. Add event log service: record device point information
3. Join the Restful API service: Restful API read and write device point, built-in software point
4. Fixed the inaccuracy of floating-point values ​​published by MQTT
5. Fixed the memory increase when the connected broker is disconnected



========== 2021-03-11 ==========
APP version 3.0.0.0
Size : 7,449,163 bytes

Web page
1. Interface: System Settings > Web Server Settings
2. Interface: Module Settings > Project File
3. http + AES 256 bits
4. When logging in for the first time, you will be forced to change the account password
5. Block other unopened ports
6. Block ping tool

software
1. reset button: strengthen the factory reset function

OS related
1. Ported to a new version of OS

========== 2021-01-13 ==========
APP version 2.1.1.1
Size : 6,651,846 bytes

Web page
1. Interface: System Settings > Web Server Settings
2. Interface: Module Settings > Project File
3. Block other unopened ports
4. When logging in for the first time, you will be forced to change the account password
5. http + AES 256 bits

software
1. reset button: strengthen the factory reset function

OS related
1. Ported to a new version of OS

========== 2020-10-07 ==========
APP version 2.0.0.0
Size : 6,588,241 bytes

web interface
1. During http communication, add base64 encoding

software
1. hwclock version upgrade
2. Add software time adjustment
(The protection RTC time is 1970, which causes the APP to fail)

========== 2020-08-20 ==========
APP version 1.0.0.0
web interface
1. System Settings > Overview
2. System Settings > Network Settings
3. System Settings > Time Settings
4. System Settings > Account Settings
5. System Settings > IO Settings
6. System Settings > IO Status
7. System Settings > Firmware Settings
8. OPC UA Settings > Server Settings
9. OPC UA Settings > Credentials
10. MQTT Settings > Connection Settings
11. MQTT Settings > Client Settings
12. MQTT Settings > Credentials
13. Added check time mechanism
14. Add mechanism for checking credentials

software
1. OPC UA Server anonymous communication
2. OPC UA Server account password communication
3. OPC UA Server certificate communication
4. MQTT Client anonymous communication
5. MQTT Client account password communication
6. MQTT Client Credential Communication
7. Scaling