[2023-2-17] xArrow V7.5

1. New designed vector group lib.
2. Add trapezoid widget, and more shape widget add operation handle.
3. Some function enhanced and bug fixed.

[2022-8-8] xArrow V7.4

1. Add alarm level feature.
2. Recipe add string ingredient.
3. Some function enhanced and bug fixed.

[2022-2-7] xArrow V7.3

1. Group widget support rotate by center automatically.
2. Modified recipe widget to have better performance
3. Re-designed plan curve widget.
4. Some function enhanced and bug fixed.

[2021-3-30] xArrow V7.2

1. Add TwinCAT_ADS protocol
2. Auto add fowording tag's address
3. Modified web server to have better performance
4. Tcl script add tls, tclcurl, rl_json function
5. Some function enhanced and bug fixed.

[2020-8-21] xArrow V7.1

1. Web Server support HTTPS. WebView, Android client and browser can communicate with server via HTTPS
2. Communication between distrubute system nodes support TLS encrypt
3. MCEthernet support binary mode.
4. Fix bug of LG CNET protocol
5. Add HART protocol
6. Some function enhanced and bug fixed.

[2020-3-31] xArrow V7.0

1. Enhanced log system to display the running error of script command and protocols.
2. MQTT Publish support Aliyun, Huawei, Azure, Amazon...
3. write_analog、read_analog、write_switch、read_switch support return value now.
4. Add IEC61850-101, 104, 104-Server, DNP3.0(Serial/TCP/UDP), Toledo protocols
5. Add 2 script command: widget_set_focus and widget_enable.
6. Some function enhanced and bug fixed.

[2019-08-05] xArrow V6.9.5

1. Add tcllib 1.19.
2. Add common curve widget.
3. Enhanced time table functions.
4. Add widget_get_info command, and modify the widget_set_position command to support the rotate of the group widget.
5. Some function enhanced and minor bug fixed.

[2019-04-29] xArrow V6.9.4

1. Support TCL script version 8.6.9.
2. Fix bug of DDX_Text Of Microsoft VS2015.
3. Enhanced historical data query interface used in data grid or historical trend.
4. Add sys_week tag to system station.

[2018-12-31] xArrow V6.9.3

1. Support MQTT client protocol (Publish and Subscribe).
2. Support OPCUA client and OPCUA server.
3. Modbus and ModbusTCP support 64-bit integer.
4. Add batch set I/O address function to xArrowMaker
5. Android Client upgrade to version 2.1.
6. Add spin button widget
7. Some function enhanced and minor bug fixed.

[2018-08-23] xArrow V6.8

1. Add tree control widget.
2. Add webview application as a single module.
3. Some function enhanced and minor bug fixed.

[2017-06-14] xArrow V6.7

1. xArrowSetupBuilder support install new dongle driver.
2. User configured write prompt.
3. Remove scientific format of double.
4. Some function enhanced and minor bug fixed.

[2016-11-08] xArrow V6.6

1. Check and show tag information in Draw.
2. Modify the data operation of button widget.
3. Add copy properties function in Draw.
4. GraceMaster and GraceSlave protocol support transfer historical data.
5. Check name of tag's code and data group name, etc.
6. Some function enhanced and minor bug fixed.

[2016-07-27] xArrow V6.5

1. Add 5 widget_* script command.
2. Load extended script automatically.
3. Some function enhanced and minor bug fixed.

[2016-05-31] xArrow V6.4

1. Modified web service to support android device better.
2. Some function enhanced and minor bug fixed.

[2016-02-02] xArrow V6.3

1. Support Android client.
2. Some function enhanced and minor bug fixed.

[2016-01-21] xArrow V6.2

1. Modified X-Y curve widget.
2. Add send_main script command.
3. Some function enhanced and minor bug fixed.

[2015-12-14] xArrow V6.1

1. Enable script check in Draw and xArrowMaker.
2. Provide script debug functions.
3. Fix minor bug that turn_off_computer can not work on win7 or above.
4. Add set_fill_color and set_line_color command.
5. Some function enhanced and minor bug fixed.

[2015-10-23] xArrow V6.0

1. Enhanced complex shape widget,support bit operation of rectangle, ellipse, star, etc.
2. Add smooth polygon widget.
3. Modified bezier curve widget.
4. Support BACnet/IP protocol and can be worked as a BACnet/IP gateway.
5. Some function enhanced and minor bug fixed.

[2015-08-31] xArrow V5.6

1. Add Complex Shape widget.
2. Some function enhanced and minor bug fixed.

[2015-01-23] xArrow V5.5

1. Add 25 kinds of statistics functions to the widget of data grid, historical trend, script command (rcd_*) also supported.
2. Add excel automation script command.
3. Add function to resize the bitmap of the bitmap widget in Draw.
4. Support batch data processing.
5. Add LG Master-K protocol.
6. Add script command to get relative time, this is useful to set the report query time.
7. Remove report widget, it can be replaced by data grid widget, and reportDesign is a moduld only used by data grid now.
8. Fix bug when the third-party opc client write switch tag of xArrowOPCServer.
9. Some function enhanced and minor bug fixed.

[2014-11-08] xArrow 5.4

1. Enhanced timer function of view
2. Each user has its e-signature
3. Alarm widget configured to show description, value and ACK information
4. Some function enhanced and minor bug fixed

[2014-09-26] xArrow 5.3

1. Fix bug of exec command
2. Add monitor to widget
3. Support CFR PART11 and log operation
4. Graceful report and print system
5. Modified user related script commands
6. Add radar curve widget
7. Add recorder widget
8. Some function enhanced and minor bug fixed

[2014-06-24] xArrow 5.2

1. The rt-grid load tags of data group
2. Enhanced plan curve widget
3. Enhanced bezier curve widget
4. Modify hc_load_from_csv to have better effect
5. Add ini_get and ini_set command
6. Resizable set value dialog
7. Add sys_run_time to system station
8. Some function enhanced and minor bug fixed

[2014-03-14] xArrow 5.1

1. Support png/gif/jpg format
2. Enhanced real-time curve widget, support scroll data
3. Modify pie graph both in xArrow and eArrow
4. Support print_widgets command
5. Hiscurve and real-time trend support large limit
6. Some function enhanced and minor bug fixed

[2014-02-10] xArrow 5.0

1. Group widget can be configured and saved as a single widget
2. Change hc_add_group_item to hc_add_item
3. Enhanced bar widget to display daily/monthly/annual data, add a command "bargraph_query", modify drawing function of pie widget
4. Add script rcd_* commands
5. Add script dg_load_by_sql and load_record_by_statistics command
6. Add screen resolution parameter
7. Add combination widget
8. Add archive functions
9. Add varify password strengh function
10. Some function enhanced and minor bug fixed

[2013-10-31] xArrow 4.5

1. Add gauge widget
2. Add color picker to draw
3. Update ammeter widget to have a good outlook
4. Some function enhanced and minor bug fixed

[2013-05-23] xArrow 4.4

1. Update xArrow plugin system
2. Add save_record_to_csv and export_record_to_csv script command
3. Add DVP_TCP protocol
4. Some function enhanced and minor bug fixed

[2013-3-26] xArrow 4.3

1. Support time table function
2. Some function enhanced and minor bug fixed

[2013-01-15] xArrow 4.2

1. Support day/month/year report
2. Auto logoff system
3. Historical record operation by script
4. Historical database can support xArrow's own database or the third-party ODBC database.
5. Some function enhanced and minor bug fixed

[2012-12-26] xArrow 4.1

1. Web client can be configured writeable
2. OPC server can be configured writeable
3. Support mobile browse or write tag, browse history data or alarm
4. Add AB-Ethernet protocol
5. Some function enhanced and minor bug fixed

[2012-09-07] xArrow 4.0

1. Encrypt/decrypt project
2. Add Set/GetStationPara script command
3. Fix bugs of distributed system
4. Add web view module
5. Support siemens s7-1200
6. Some function enhanced and minor bug fixed

[2012-06-11] xArrow 3.5

1. Enable channle related alarm when create new project
2. Some function enhanced and minor bug fixed

[2012-05-22] xArrow 3.4

1. Improve the network communication, fix some vulnerabilities
2. Some function enhanced and minor bug fixed

[2012-03-09] xArrow 3.3

1. Improve user-developed plugin, protocol and script command
2. Add reverse float data type to modbus and modbus tcp protocol
3. Some function enhanced and minor bug fixed

[1999-04-07 ~ 2012-02-10] xArrow 1.0 ~ xArrow 3.2

1. Previous versions...