MySQL Data Access Components (MyDAC) Releases

DevartData Access ToolsVCL Component
Version 14.0.1 (Jun 15, 2026)

Learn what's new across releases, with details of features, enhancements, and resolved issues.

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MySQL Data Access Components (MyDAC) 14.0.1Jun 15, 2026
Fixes
  • Fixed a bug that caused the ReceiveHeader: Net packets out of order error when wait_timeout expired.
  • Fixed a bug in TMyScript script execution when the default delimiter (;) was used and the script contained the DELIMITER ;; statement.
MySQL Data Access Components (MyDAC) 14.0.0Major versionMar 27, 2026
Features
  • Added support for RAD Studio 13.1 Florence.
  • Added support for the Arm64EC target platform.
  • Added support for Lazarus 4.6.
  • Added support for MySQL 9.6.
  • Added the SetFieldsReadOnly property to TCustomMyDumpProcessor to allow adding read-only fields in INSERT statements during backup.
  • Added the Delimiter property to TCustomMyDumpProcessor to set a custom delimiter for stored procedure and trigger backup.
  • Added the "For the current user/For all users" option during installation.
  • Added masking of the Password property in the Connection component to prevent it from being stored in memory as plain text.
  • Added the GetWhere method to the TCustomDADataSet component.
  • Added the DeleteOrderBy method to the TCustomDADataSet component.
  • Added the RangeFieldCount property to TCustomDADataSet to specify the number of indexed fields used for range setting.
  • Added the AutoClose option to TCustomDADataSet to control automatic closing of a dataset when its associated ClientDataSet is closed.
  • Renamed the DecimalsCount property of TMyFloatVector to Scale.
Fixes
  • Fixed an issue in tunnel.php that required establishing a tunnel connection in a browser first.
  • Fixed an issue with executing SHOW COLUMNS for MySQL 4.11.x when UseUnicode = True.
  • Fixed an issue that caused incorrect record sorting in a dataset when both ORDER BY and IndexFieldNames are used.
  • Fixed an issue with the ConnectString property in the Connection component when its value contained a sequence of SQL comment characters.