WinMerge 2.16.47 Beta Release Notes

• About This Release
• What Is New in 2.16.47 beta?
• Known issues

March 2025

About This Release

This is a WinMerge beta release which is meant for preview the current state of WinMerge development. This release is not recommended for the production.

Please submit bug reports to our bug-tracker.

What Is New in 2.16.47 Beta

General

• BugFix: /inifile won't work with root directory (#2635)
• BugFix: "Another application has updated" message when window is deactivated (#2668)
• Reduced flickering of title bar buttons and the status bar.
• Rewrite English.pot, add JXL image extension (PR #2682)
• Add Output Pane for Logs and Messages (PR #2663)

File compare

• BugFix: Fixed an issue where $ in regular expressions in Substitution filters didn't work correctly with "Ignore carriage return differences" enabled. (#2640)
• BugFix: Syntax highlighting of Python multiline strings failed on lines > 1 (#2643)
• BugFix: Fixed an issue where "&" appeared as an underline in the status bar when using both Unpacker and Prediffer plugins.
• BugFix: Sync Codepage Settings on Options and Diff Window (#2678)
• Update C syntax highlighting keyword list. (PR #2669)

Image compare

• Rewrite English.pot, add JXL image extension (PR #2682)

Options dialog

• BugFix: Fixed an issue where ShellExtensionU.dll was not properly unregistered when clicking the Unregister shell extension button in the Shell Integration options. (#2419)
• Modify the "Options (Compare > Image)" dialog. (PR #2655)

Color schemes

• Add Visual Studio Dark color scheme (PR #2634)
• Twilight - new dark theme (PR #2694)

Installer

• BugFix: Context menu not working if installed from non-elevated (non admin) user on win 10 x64 (#2638) (PR #2639)

Manual

• Help pages -> Appendix A. Shortcut keys (#2659)

Translations

• Translation updates:
• Brazilian (PR #2675,#2688,#2697)
• Chinese Simplified (PR #2700)
• Corsican (PR #2632,#2676)
• Hebrew (PR #2673)
• Italian (PR #2689,#2689)
• Japanese
• Polish (PR #2671)
• Portuguese (PR #2650,#2695)
• Swedish (PR #2679)
• Turkish (PR #2636)

Internals

• BugFix: Fix build in VS2022 17.13.0 (PR #2645)
• BugFix: Use zopflipng to reduce size of splash.png (PR #2646)
• README major update, Twilight theme minor edit (PR #2696)

Known issues

• Pressing OK in the Options window while the INI file specified by /inifile is open for comparison in WinMerge may corrupt the file. (#2685)
• Suggestion to make the result of image comparison more reliable (#1391)
• Crashes when comparing large files (#325)
• Very slow to compare significantly different directories (#322)
• Vertical scrollbar breaks after pasting text (#296)