What's Change in New ULogViewer

2026.2

Added support for Japanese language.
Added support for automatic log profile selection: drop log files into the window and ULogViewer will search for the log profiles which support them.
Added support for opening the log files in a directory by dropping the directory into the window.

The application no longer needs to be restarted when the Chinese environment changes after modifying the Language option.
Added a button to open the script log window when editing scripts.
Added a hint of dropping files to the tab without log profile.
Added support for dropping more than one directory into the window.
Applied the new window style of macOS 26.

The log profile selector is no longer shown after creating a new tab by default, and can be changed by the Log Profile Selection for a New Tab option.
Dropping files and directories at the same time opens the valid files in the directories as well.
When the Log Profile Selection for a New Tab option is Auto, dropping a directory no longer provides the log profile selector which contains the log profiles using a working directory.

Fixed the failure to use Noto Sans in the Chinese environment.
Fixed the failure to use Noto Sans on the axes of chart in the Chinese environment.
Fixed the failure to show characters in chart which are not supported by the default font.
Fixed incorrect value ordering in chart in some cases.
Fixed an issue that the timestamp of reading log may not be updated after changing the timestamp format.
Fixed an issue that the LogId property of log cannot be accessed in script.
Fixed an issue that the custom title of tab is lost after restarting the application.
Fixed an issue that the reading position of each log file is reset after restarting the application.
Fixed an issue that the setting of using command-line shell to run commands is reset after restarting the application.
Fixed an issue that the custom title of tab is not shown when reading logs from single file or by command.
Fixed an issue that the working directory is not changed when dropping a directory into the tab which already has a working directory.
Fixed potential stability issues.
Minor bug fixing.