v2.16.53

WinMerge 2.16.53 Beta Release Notes

• About This Release
• What Is New in 2.16.53 beta?
• Known issues

January 2026

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 2.16.53 Beta

General

• Allow comparing files by editing header path (Ctrl+L / Alt+D) (PR #3093)

File compare

• Async binary comparison for “Selected files are identical” dialog
  (PR #3060)

Binary compare

• BugFix: Fixed crash when an error occurs while opening files in the binary
  comparison window.

Image compare

• [ImageCompare] Problems with unsupported formats (#3044)

• Update freeimage to 3.19.10

Webpage compare

• BugFix: Fixed garbled filenames displayed in Web comparison tabs and header
  bar

Folder compare

• BugFix: This line cannot be displayed correctly after translation.
  msgid "Failed to extract archive.\nCompare as text file?" (#3073)

• BugFix: Unexpected file closure when moving files from a comparison (#3088)

• Add Display Filter to Folder Compare (PR #3106)

• Add folder statistics filter attributes and helper menu (PR #3111)

• Introduce isWithin() and inRange() for explicit inclusive/exclusive range
  checks (PR #3124)

Options dialog

• Add option to select user data location (AppData or Documents) (PR #3078)

Plugins

• CompareMSExcelFiles: Replace line breaks with space in MSExcel formulas
  (PR #3028)

• Updated jq to 1.8.1

Translations

• Translation updates:

  • Brazilian (PR #3034,#3064,#3085,#3101,#3107,#3121)
  • Chinese Simplified (PR #3035,#3077,#3086,#3097,#3123)
  • Chinese Traditional (PR #3052,#3073,WinMerge/frhed#26)
  • Corsican (PR #3119)
  • French (PR #3072,#3105,#3106)
  • German (PR #3037,#3068,#3081,#3098,#3108,#3115)
  • Hungarian (PR #3036,#3061,#3080,#3100,#3116)
  • Italian (PR #3033,#3062,#3099,#3113,#3118)
  • Japanese
  • Korean (PR #3062,#3082)
  • Lithuanian (PR #3032,#3065,#3087,#3104,#3114)
  • Polish (PR #3050,#3089,#3103,#3112,#3122)
  • Turkish (PR #3043,#3063,#3083,#3102,#3111,#3117)

Manual

• Added FAQ about file selection order in Windows Explorer. (#3090,#3094)

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)

---

What's Changed

• Update Traditional Chinese (zh_TW) translation by @love80312 in #3052
• Async binary comparison for “Selected files are identical” dialog by @sdottaka in #3060
• Update Hungarian.po by @efi99 in #3061
• Italian language update by @bovirus in #3062
• Turkish language support by @bilimiyorum in #3063
• Update Brazilian.po by @Marcellomco in #3064
• Update of Lithuanian translation by @Tichij in #3065
• Update Korean by @VenusGirl in #3066
• Update Polish.po by @miroslaw-zylewicz in #3067
• Update German.po by @Havoc7891 in #3068
• Update French.po by @slolo2000 in #3072
• Update ChineseTraditional translation: translate missing strings by @love80312 in #3073
• Update Brazilian translation. Submitted by RicardoPC1967 by @sdottaka in #3075
• update zh-cn translations by @yingang in #3077
• Add option to select user data location (AppData or Documents) by @sdottaka in #3078
• Italian language update by @bovirus in #3079
• Update Hungarian.po by @efi99 in #3080
• Update German.po by @Havoc7891 in #3081
• Update Korean by @VenusGirl in #3082
• Turkish language support by @bilimiyorum in #3083
• Update Brazilian.po by @Marcellomco in #3085
• update zh-cn translations by @yingang in #3086
• Update of Lithuanian translation by @Tichij in #3087
• Update Polish.po by @miroslaw-zylewicz in #3089
• Allow comparing files by editing header path (Ctrl+L / Alt+D) by @sdottaka in #3093
• update zh-cn translation by @yingang in #3097
• Update German.po by @Havoc7891 in #3098
• Italian language update by @bovirus in #3099
• Update Hungarian.po by @efi99 in #3100
• Update Brazilian.po by @Marcellomco in #3101
• Turkish language support by @bilimiyorum in #3102
• Update Polish.po by @miroslaw-zylewicz in #3103
• Update of Lithuanian translation by @Tichij in #3104
• Update French.po by @slolo2000 in #3105
• Add Display Filter to Folder Compare by @sdottaka in #3106
• Update Brazilian.po by @Marcellomco in #3107
• Update German.po by @Havoc7891 in #3108
• Update Hungarian.po by @efi99 in #3109
• Turkish language support by @bilimiyorum in #3110
• Update Polish.po by @miroslaw-zylewicz in #3112
• Italian language update by @bovirus in #3113
• Add folder statistics filter attributes and helper menu by @sdottaka in #3111
• Update of Lithuanian translation by @Tichij in #3114
• Update German.po by @Havoc7891 in #3115
• Update Hungarian.po by @efi99 in #3116
• Turkish translation support by @bilimiyorum in #3117
• Italian language update by @bovirus in #3118
• Update Corsican translation for 2.16.53 by @Patriccollu in #3119
• Update Brazilian.po by @Marcellomco in #3121
• Update Polish.po by @miroslaw-zylewicz in #3122
• update zh-cn translations by @yingang in #3123
• Introduce isWithin() and inRange() for explicit inclusive/exclusive range checks by @sdottaka in #3124

Full Changelog: v2.16.52.2...v2.16.53

v2.16.52.2

WinMerge 2.16.52.2 Release Notes

• About This Release
• What Is New in 2.16.52.2
• What Is New in 2.16.52
• What Is New in 2.16.51 beta?
• Known issues

November 2025

About This Release

This is a WinMerge 2.16.52.2 stable release.
This release replaces earlier WinMerge stable releases as a recommended release.

Please submit bug reports to our bug-tracker.

What Is New in 2.16.52.2

Appearance

• Match title bar text color to Windows using a 190 luminance threshold.

File compare

• BugFix: [Bug] The configuration of tabulations is not working correctly
  (#3015)
• BugFix: Tab size set to '1' and 'insert spaces' causes redraw failures in
  'File Compare' window. (#3047)
• Update request: List of MATLAB specific keywords (#3040)

Folder compare

• Set the default thread count for folder comparison to 4.

Filters dialog

• BugFix: Newly added or installed filters were incorrectly flagged as missing
  after selection.

Options dialog

• Request to resize text boxes and button (#3017)

Manual

• Typo in Help/FAQ (#3016)
• Docs: Add comprehensive translation contribution guide (PR #3023)

Translations

• Translation updates:
  • Bulgarian (PR #3006)
  • Chinese Simplified (PR #3011)
  • Chinese Traditional (PR #3008)
  • French (PR #3024)
  • German (PR #3018)
  • Hungarian (PR #3022)
  • Japanese
  • Korean (PR #3007)
  • Lithuanian (PR #3019)
  • Polish (PR #3014)
  • Portuguese (PR #3046)
  • Turkish (PR #3020)
  • Russian (PR #3045)

What Is New in 2.16.52

General

• BugFix: Fixed an issue where leftover WinMerge temporary folders were not
  properly deleted on the next application exit (since version 2.16.51).
• [Feature request] Alternate hotkeys for tab navigation (#2942)
• Disabled darkmodelib in the ARM64 build due to an unresolved crash issue.

Binary compare

• BugFix: Ctrl-W in Hex View : Close window? (#2294)

Folder compare

• BugFix: Round timestamps before comparing to ensure consistent 1-second precision (#2973)
• Add toDateStr filter function.
• Add option for specifying additional comparison conditions (PR #2963)
• Add support for prop, leftprop, middleprop, and rightprop functions in
  filter expressions (PR #2974)
• Add "Existence" folder comparison method (PR #2980)

Translations

• Translation updates:
  • Brazilian (PR #2981,#2977,#2995)
  • Chinese Simplified (PR #2978,#2991,#2996)
  • Corsican (PR #2999)
  • Italian (PR #2976,#2982,#2998)
  • Japanese
  • Korean (PR #2993)
  • Lithuanian (PR #2975,#2986,#2997)
  • Portuguese (PR #2971)
  • Polish (PR #2972,#2979,#3003,#3005)
  • Turkish (PR #2992)
  • Russian (PR #2983)

What Is New in 2.16.51 Beta

General

• BugFix: The document does not scroll with the mouse if the documents are identical.
  Or the text input cursor jumps to unequal lines. (#2939)

Appearance

• Initial dark mode support via darkmodelib (PR #2834,#2885)
• Improved header bar to reduce flicker

File compare

• Add option to ignore line breaks (treat as spaces) (refs #373) (PR #2945)

Folder compare

• Fixed an issue where adding exclusions via [Add Exclude File] ->
  [Editor Backup Files] incorrectly excluded most files.

Filters dialog

• Allow resizing of filters window using MFC Dynamic Layout (#509) (PR #2907)

Options dialog

• Allow saving modified colors as new scheme (#1180) (PR #2908)

Translations

• Translation updates:

  • Brazilian (#2886,#2910,#2951)
  • Chinese Simplified (PR #2889,#2916,#2952)
  • Corsican (PR #2915)
  • French (PR #2887,#2938,#2969)
  • Hungarian (PR #2909,#2948)
  • Italian (PR #2892,#2911,#2956)
  • Japanese
  • Korean (PR #2913,#2934,#2950)
  • Lithuanian (PR #2912,#2936,#2953)
  • Portuguese (PR #2928)
  • Polish (PR #2929,#2930,#2931)
  • Russian (PR #2890,#2919,#2920,#2933,#2944,#2949)
  • Spanish (PR #2961)
  • Swedish
  • Turkish (PR #2906,#2914,#2957)
  • Ukrainian (PR #2932,#2937,#2954)

Internals

• Refactor/use bindoption (PR #2955)

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)

---

What's Changed

• Update Bulgarian translation by @StoyanDimitrov in #3006
• Update Korean by @VenusGirl in #3007
• Fix zh tw translation by @love80312 in #3008
• i18n: Improve Traditional Chinese Terminology by @love80312 in #3011
• Update Polish.islu by @miroslaw-zylewicz in #3014
• Update German.po and Contributors.txt by @Havoc7891 in #3018
• Update of Lithuanian translation by @Tichij in #3019
• Turkish language file updated by @bilimiyorum in #3020
• Update Hungarian.po by @efi99 in #3022
• Docs: Add comprehensive translation contribution guide by @Aditya4ever in #3023
• Update French.po by @slolo2000 in #3024
• Replace line breaks with space in MSExcel formulas by @JoHoGH in #3028
• Update of Lithuanian translation by @Tichij in #3032
• Italian language update by @bovirus in #3033
• Update Brazilian.po by @Marcellomco in #3034
• update zh-cn translation by @yingang in #3035
• Update Hungarian.po by @efi99 in #3036
• Update German.po by @Havoc7891 in #3037
• Update Korean by @VenusGirl in #3038
• Turkish.po by @bilimiyorum in #3043
• Update Russian.po by @Timon34 in #3045
• Update Portuguese.po by @hugok79 in #3046
• Update Polish.po by @miroslaw-zylewicz in #3050

New Contributors

• @love80312 made their first contribution in #3008
• @Havoc7891 made their first contribution in #3018
• @Aditya4ever made their first contribution in #3023
• @JoHoGH made their first contribution in #3028

Full Changelog: v2.16.52...v2.16.52.2

v2.16.52

WinMerge 2.16.52 Release Notes

• About This Release
• What Is New in 2.16.52
• What Is New in 2.16.51 beta?
• Known issues

October 2025

About This Release

This is a WinMerge 2.16.52 stable release.
This release replaces earlier WinMerge stable releases as a recommended release.

Please submit bug reports to our bug-tracker.

What Is New in 2.16.52

General

• BugFix: Fixed an issue where leftover WinMerge temporary folders were not
  properly deleted on the next application exit (since version 2.16.51).
• [Feature request] Alternate hotkeys for tab navigation (#2942)
• Disabled darkmodelib in the ARM64 build due to an unresolved crash issue.

Binary compare

• BugFix: Ctrl-W in Hex View : Close window? (#2294)

Folder compare

• BugFix: Round timestamps before comparing to ensure consistent 1-second precision (#2973)
• Add toDateStr filter function.
• Add option for specifying additional comparison conditions (PR #2963)
• Add support for prop, leftprop, middleprop, and rightprop functions in
  filter expressions (PR #2974)
• Add "Existence" folder comparison method (PR #2980)

Translations

• Translation updates:
  • Brazilian (PR #2981,#2977,#2995)
  • Chinese Simplified (PR #2978,#2991,#2996)
  • Corsican (PR #2999)
  • Italian (PR #2976,#2982,#2998)
  • Japanese
  • Korean (PR #2993)
  • Lithuanian (PR #2975,#2986,#2997)
  • Portuguese (PR #2971)
  • Polish (PR #2972,#2979,#3003,#3005)
  • Turkish (PR #2992)
  • Russian (PR #2983)

What Is New in 2.16.51 Beta

General

• BugFix: The document does not scroll with the mouse if the documents are identical.
  Or the text input cursor jumps to unequal lines. (#2939)

Appearance

• Initial dark mode support via darkmodelib (PR #2834,#2885)
• Improved header bar to reduce flicker

File compare

• Add option to ignore line breaks (treat as spaces) (refs #373) (PR #2945)

Folder compare

• Fixed an issue where adding exclusions via [Add Exclude File] ->
  [Editor Backup Files] incorrectly excluded most files.

Filters dialog

• Allow resizing of filters window using MFC Dynamic Layout (#509) (PR #2907)

Options dialog

• Allow saving modified colors as new scheme (#1180) (PR #2908)

Translations

• Translation updates:

  • Brazilian (#2886,#2910,#2951)
  • Chinese Simplified (PR #2889,#2916,#2952)
  • Corsican (PR #2915)
  • French (PR #2887,#2938,#2969)
  • Hungarian (PR #2909,#2948)
  • Italian (PR #2892,#2911,#2956)
  • Japanese
  • Korean (PR #2913,#2934,#2950)
  • Lithuanian (PR #2912,#2936,#2953)
  • Portuguese (PR #2928)
  • Polish (PR #2929,#2930,#2931)
  • Russian (PR #2890,#2919,#2920,#2933,#2944,#2949)
  • Spanish (PR #2961)
  • Swedish
  • Turkish (PR #2906,#2914,#2957)
  • Ukrainian (PR #2932,#2937,#2954)

Internals

• Refactor/use bindoption (PR #2955)

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)

What's Changed

• Initial dark mode support via darkmodelib by @ozone10 in #2834
• Update of Lithuanian translation by @Tichij in #2864
• Update zh-cn translation by @yingang in #2865
• Update Russian.po by @Timon34 in #2867
• Update Korean.po by @VenusGirl in #2870
• Readme Inno Setup script improvements by @bovirus in #2869
• Update French.po by @slolo2000 in #2873
• Update Portuguese.po by @hugok79 in #2882
• Update Brazilian.po by @Marcellomco in #2883
• Dark Mode Enhancements Following PR #2834 by @sdottaka in #2885
• Update Brazilian.po by @Marcellomco in #2886
• Update French.po by @slolo2000 in #2887
• update zh-cn translations by @yingang in #2889
• Update Russian.po by @Timon34 in #2890
• Italian language update by @bovirus in #2892
• Potential fix for code scanning alert no. 1116: Local variable address stored in non-local memory by @sdottaka in #2894
• Potential fix for code scanning alert no. 1466: Cast between HRESULT and a Boolean type by @sdottaka in #2895
• Potential fix for code scanning alert no. 6: Cast between HRESULT and a Boolean type by @sdottaka in #2896
• Potential fix for code scanning alert no. 1056: Multiplication result converted to larger type by @sdottaka in #2897
• Potential fix for code scanning alert no. 697: Missing enum case in switch by @sdottaka in #2898
• Potential fix for code scanning alert no. 70: Inconsistent definition of copy constructor and assignment ('Rule of Two') by @sdottaka in #2899
• Potential fix for code scanning alert no. 67: Inconsistent definition of copy constructor and assignment ('Rule of Two') by @sdottaka in #2900
• Potential fix for code scanning alert no. 1682: Empty branch of conditional by @sdottaka in #2901
• Potential fix for code scanning alert no. 147: Unused static function by @sdottaka in #2902
• Potential fix for code scanning alert no. 150: Unused static function by @sdottaka in #2903
• Potential fix for code scanning alert no. 151: Unused static function by @sdottaka in #2904
• Turkish translation support by @bilimiyorum in #2906
• Allow resizing of filters window using MFC Dynamic Layout (#509) by @sdottaka in #2907
• Allow saving modified colors as new scheme (#1180) by @sdottaka in #2908
• Update Hungarian.po by @efi99 in #2909
• Update Brazilian.po by @Marcellomco in #2910
• Italian language update by @bovirus in #2911
• Update of Lithuanian translation by @Tichij in #2912
• Update Korean.po by @VenusGirl in #2913
• Turkish translation support by @bilimiyorum in #2914
• Update Corsican translation for 2.16.50.2 by @Patriccollu in #2915
• update zh-cn translation by @yingang in #2916
• Update Russian.po by @Timon34 in #2919
• Update Russian.po by @Timon34 in #2920
• Update Portuguese.po by @hugok79 in #2928
• Update Polish.po by @miroslaw-zylewicz in #2929
• Update Polish.po by @miroslaw-zylewicz in #2930
• Update Polish.po by @miroslaw-zylewicz in #2931
• Update Ukrainian localization by @sggua in #2932
• Update Russian.islu by @Timon34 in #2933
• Update Korean.islu by @VenusGirl in #2934
• Update of Lithuanian translation by @Tichij in #2936
• Update Ukrainian.po by @sggua in #2937
• Update French.po by @slolo2000 in #2938
• Update Russian.po by @Timon34 in #2944
• Add option to ignore line breaks (treat as spaces) (refs #373) by @sdottaka in #2945
• Update Hungarian.po by @efi99 in #2948
• Update Russian.po by @Timon34 in #2949
• Update Korean.po by @VenusGirl in #2950
• Update Brazilian.po by @Marcellomco in #2951
• update zh-cn translations by @yingang in #2952
• Update of Lithuanian translation by @Tichij in #2953
• Ukrainian PO translation was synced with English (autogenerated changes) by @YevgenBorodkin in #2954
• Italian language update by @bovirus in #2956
• Update Turkish.po by @bilimiyorum in #2957
• Refactor/use bindoption by @sdottaka in #2955
• Update Spanish.po by @P0rsche-911 in https://github.com/WinMerge/winmerge/...

ShellExtension-1.18.8.0

Fix issue #3000: Shell extension performance issue

v2.16.51

WinMerge 2.16.51 Beta Release Notes

• About This Release
• What Is New in 2.16.51 beta?
• Known issues

October 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 2.16.51 Beta

General

• BugFix: The document does not scroll with the mouse if the documents are identical.
  Or the text input cursor jumps to unequal lines. (#2939)

Appearance

• Initial dark mode support via darkmodelib (PR #2834,#2885)
• Improved header bar to reduce flicker

File compare

• Add option to ignore line breaks (treat as spaces) (refs #373) (PR #2945)

Folder compare

• Fixed an issue where adding exclusions via [Add Exclude File] ->
  [Editor Backup Files] incorrectly excluded most files.

Filters dialog

• Allow resizing of filters window using MFC Dynamic Layout (#509) (PR #2907)

Options dialog

• Allow saving modified colors as new scheme (#1180) (PR #2908)

Translations

• Translation updates:

  • Brazilian (#2886,#2910,#2951)
  • Chinese Simplified (PR #2889,#2916,#2952)
  • Corsican (PR #2915)
  • French (PR #2887,#2938,#2969)
  • Hungarian (PR #2909,#2948)
  • Italian (PR #2892,#2911,#2956)
  • Japanese
  • Korean (PR #2913,#2934,#2950)
  • Lithuanian (PR #2912,#2936,#2953)
  • Portuguese (PR #2928)
  • Polish (PR #2929,#2930,#2931)
  • Russian (PR #2890,#2919,#2920,#2933,#2944,#2949)
  • Spanish (PR #2961)
  • Swedish
  • Turkish (PR #2906,#2914,#2957)
  • Ukrainian (PR #2932,#2937,#2954)

Internals

• Refactor/use bindoption (PR #2955)

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)

v2.16.50.2

WinMerge 2.16.50.2 Release Notes

• About This Release
• What Is New in 2.16.50.2
• What Is New in 2.16.50
• What Is New in 2.16.49 beta?
• Known issues

August 2025

About This Release

This is a WinMerge 2.16.50.2 stable release.
This release replaces earlier WinMerge stable releases as a recommended release.

Please submit bug reports to our bug-tracker.

What Is New in 2.16.50.2

File compare

• BugFix: WinMerge 2.16.50 regression: Crashes when doing "Show only comparison
  results (not file contents)" for large binaries. (#2874)

Folder compare

• BugFix: After Install of v2.16.50 Folder: Filter is now only being applied to
  1st folder path and not the 2nd and 3th folder paths (#2875)

Filters dialog

• BugFix: Fixed a crash in the Filters dialog's File Filters tab after installing or creating a new filter.

Translations

• Translation updates:
  • Brazilian (PR #2883)
  • Chinese Simplified (PR #2865)
  • French (PR #2873)
  • Italian (PR #2869)
  • Korean (PR #2870)
  • Lithuanian (PR #2864)
  • Portuguese (PR #2882)
  • Russian (PR #2867)

What Is New in 2.16.50

General

• Treat a mouse click on the very top edge of the title bar while maximized
  as if it's within the tab button (PR #2828)

Translations

• BugFix: WinMerge - Strings untranslated #2852

• Translation updates:

  • Brazilian (PR #2849)
  • Chinese Simplified (PR #2856)
  • Hungarian (PR #2857,#2859)
  • Italian (PR #2850,#2851,#2858)
  • Japanese
  • Swedish
  • Russian (PR #2847)

What Is New in 2.16.49 Beta

General

• [Enhancement] Tab Switching and Tab Bar Scrolling with Mouse Wheel (PR #2821)

Appearance

• Use themed size grip, use toolbar's tooltips instead of controls bar's
  (PR #2769)

File compare

• BugFix: Fixed crash when copying multiple selected diff hunks
• Syntax parser for Pascal should be extended to support compiler directives
  (#2814)
• [Enhancement] Enable/disable automatic navigation to a line when clicking on
  the Location Panel (PR #2827)

Folder compare

• BugFix: WinMerge shows the timestamp of the non-existent file (#2764)
• BugFix: Manual Refresh of a single folder undoes the comparison for most
  other folders randomly (#2792)
• Add the feature to compare multiple files in one action in the folder compare
  window requested in #324. (PR #2825)
• Improve filter system: expression support and UI enhancements (PR #2802)

Options dialog

• BugFix: [Bug Fix] Enable/disable 'Switch to ...' options in Compare > Folder
  page (PR #2819)

Command line

• BugFix: Fixed failure to compare files with relative paths when /s option
  is used from a different current directory than the running WinMerge process

Archive support

• Update 7-Zip to 25.00

Installer

• Installer - Windows "Programs and Features" name (#2798)

Translations

• Translation updates:

  • Brazilian (PR #2829)
  • Bulgarian (PR #2763)
  • Chinese Simplified (PR #2831)
  • Chinese Traditional (PR #2838)
  • Corsican (PR #2844)
  • French (PR #2754,#2761,#2762)
  • Hungarian (PR #2836)
  • Italian (PR #2832)
  • Japanese
  • Korean (PR #2766,#2845)
  • Lithuanian (PR #2799,#2805,#2826,#2830)
  • Portuguese (PR #2768)
  • Russian (PR #2760,#2840)
  • Swedish
  • Tamil (PR #2812,#2813)
  • Turkish (PR #2782)

Internals

• Fix syntax warning in GetTranslationsStatus.py (PR #2751)

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)

---

What's Changed

• Update of Lithuanian translation by @Tichij in #2864
• Update zh-cn translation by @yingang in #2865
• Update Russian.po by @Timon34 in #2867
• Update Korean.po by @VenusGirl in #2870
• Readme Inno Setup script improvements by @bovirus in #2869
• Update French.po by @slolo2000 in #2873

Full Changelog: v2.16.50...v2.16.50.2

Merge7z2501.0

Update 7-Zip to 25.01

v2.16.50

WinMerge 2.16.50 Release Notes

• About This Release
• What Is New in 2.16.50
• What Is New in 2.16.49 beta?
• Known issues

July 2025

About This Release

This is a WinMerge 2.16.50 stable release.
This release replaces earlier WinMerge stable releases as a recommended release.

Please submit bug reports to our bug-tracker.

WinMerge 2.16.50 - 2025-07-27

General

• Treat a mouse click on the very top edge of the title bar while maximized
  as if it's within the tab button (PR #2828)

Translations

• BugFix: WinMerge - Strings untranslated #2852

• Translation updates:

  • Brazilian (PR #2849)
  • Chinese Simplified (PR #2856)
  • Hungarian (PR #2857,#2859)
  • Italian (PR #2850,#2851,#2858)
  • Japanese
  • Swedish
  • Russian (PR #2847)

What Is New in 2.16.49 Beta

General

• [Enhancement] Tab Switching and Tab Bar Scrolling with Mouse Wheel (PR #2821)

Appearance

• Use themed size grip, use toolbar's tooltips instead of controls bar's
  (PR #2769)

File compare

• BugFix: Fixed crash when copying multiple selected diff hunks
• Syntax parser for Pascal should be extended to support compiler directives
  (#2814)
• [Enhancement] Enable/disable automatic navigation to a line when clicking on
  the Location Panel (PR #2827)

Folder compare

• BugFix: WinMerge shows the timestamp of the non-existent file (#2764)
• BugFix: Manual Refresh of a single folder undoes the comparison for most
  other folders randomly (#2792)
• Add the feature to compare multiple files in one action in the folder compare
  window requested in #324. (PR #2825)
• Improve filter system: expression support and UI enhancements (PR #2802)

Options dialog

• BugFix: [Bug Fix] Enable/disable 'Switch to ...' options in Compare > Folder
  page (PR #2819)

Command line

• BugFix: Fixed failure to compare files with relative paths when /s option
  is used from a different current directory than the running WinMerge process

Archive support

• Update 7-Zip to 25.00

Installer

• Installer - Windows "Programs and Features" name (#2798)

Translations

• Translation updates:

  • Brazilian (PR #2829)
  • Bulgarian (PR #2763)
  • Chinese Simplified (PR #2831)
  • Chinese Traditional (PR #2838)
  • Corsican (PR #2844)
  • French (PR #2754,#2761,#2762)
  • Hungarian (PR #2836)
  • Italian (PR #2832)
  • Japanese
  • Korean (PR #2766,#2845)
  • Lithuanian (PR #2799,#2805,#2826,#2830)
  • Portuguese (PR #2768)
  • Russian (PR #2760,#2840)
  • Swedish
  • Tamil (PR #2812,#2813)
  • Turkish (PR #2782)

Internals

• Fix syntax warning in GetTranslationsStatus.py (PR #2751)

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)

What's Changed

• Add the feature to open multiple files in the folder compare window requested in #1423. by @tjmprm77 in #2749
• Fix syntax warning in GetTranslationsStatus.py by @gerundt in #2751
• Update French.po by @slolo2000 in #2754
• Update Russian.po by @Timon34 in #2760
• Update French.po by @slolo2000 in #2761
• Update French.po by @slolo2000 in #2762
• Update Bulgarian by @StoyanDimitrov in #2763
• Update Korean.po by @VenusGirl in #2766
• Update Portuguese.po by @hugok79 in #2768
• Use themed size grip, use toolbar's tooltips instead of controls bar's by @ozone10 in #2769
• Turkish translation support by @bilimiyorum in #2782
• Update of Lithuanian translation by @Tichij in #2799
• Update of Lithuanian translation by @Tichij in #2805
• Tamil translations reviewed and updated few messages by @TamilNeram in #2812
• Fixed few more Tamil translation messages by @TamilNeram in #2813
• [Bug Fix] Enable/disable 'Switch to ...' options in Compare > Folder page by @anthonyleestark in #2819
• [Enhancement] Tab Switching and Tab Bar Scrolling with Mouse Wheel by @anthonyleestark in #2821
• Add the feature to compare multiple files in one action in the folder compare window requested in #324. by @tjmprm77 in #2825
• Update of Lithuanian translation by @Tichij in #2826
• [Enhancement] Enable/disable automatic navigation to a line when clicking on the Location Panel by @anthonyleestark in #2827
• Update Brazilian.po by @Marcellomco in #2829
• Update of Lithuanian translation by @Tichij in #2830
• update zh-cn translation by @yingang in #2831
• Italian language update by @bovirus in #2832
• Update Hungarian.po by @efi99 in #2836
• [Translations] update ChineseTraditional.po by @abc0922001 in #2838
• Update Russian.po by @Timon34 in #2840
• Update Corsican translation for 2.16.49 by @Patriccollu in #2844
• Update Korean.po by @VenusGirl in #2845
• Improve filter system: expression support and UI enhancements by @sdottaka in #2802
• Update Russian.po by @Timon34 in #2847
• Update Brazilian.po by @Marcellomco in #2849
• Italian language update by @bovirus in #2850
• Treat a mouse click on the very top edge of the title bar while maximized as if it's within the tab button by @anthonyleestark in #2828
• Italian language update by @bovirus in #2851
• Update French.po by @slolo2000 in #2854
• Update of Lithuanian translation by @Tichij in #2855
• update zh-cn translation by @yingang in #2856
• Update Hungarian.po by @efi99 in #2857
• Update Hungarian.po by @efi99 in #2859
• Italian language update by @bovirus in #2858
• Update Brazilian.po by @Marcellomco in #2862

New Contributors

• @ozone10 made their first contribution in #2769
• @bilimiyorum made their first contribution in #2782
• @anthonyleestark made their first contribution in #2819

Full Changelog: v2.16.48...v2.16.50

v2.16.49

WinMerge 2.16.49 Beta Release Notes

• About This Release
• What Is New in 2.16.49 beta?
• Known issues

July 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 2.16.49 Beta

General

• [Enhancement] Tab Switching and Tab Bar Scrolling with Mouse Wheel (PR #2821)

Appearance

• Use themed size grip, use toolbar's tooltips instead of controls bar's
  (PR #2769)

File compare

• BugFix: Fixed crash when copying multiple selected diff hunks
• Syntax parser for Pascal should be extended to support compiler directives
  (#2814)
• [Enhancement] Enable/disable automatic navigation to a line when clicking on
  the Location Panel (PR #2827)

Folder compare

• BugFix: WinMerge shows the timestamp of the non-existent file (#2764)
• BugFix: Manual Refresh of a single folder undoes the comparison for most
  other folders randomly (#2792)
• Add the feature to compare multiple files in one action in the folder compare
  window requested in #324. (PR #2825)
• Improve filter system: expression support and UI enhancements (PR #2802)

Options dialog

• BugFix: [Bug Fix] Enable/disable 'Switch to ...' options in Compare > Folder
  page (PR #2819)

Command line

• BugFix: Fixed failure to compare files with relative paths when /s option
  is used from a different current directory than the running WinMerge process

Archive support

• Update 7-Zip to 25.00

Installer

• Installer - Windows "Programs and Features" name (#2798)

Translations

• Translation updates:
  • Brazilian (PR #2829)
  • Bulgarian (PR #2763)
  • Chinese Simplified (PR #2831)
  • Chinese Traditional (PR #2838)
  • Corsican (PR #2844)
  • French (PR #2754,#2761,#2762)
  • Hungarian (PR #2836)
  • Italian (PR #2832)
  • Japanese
  • Korean (PR #2766,#2845)
  • Lithuanian (PR #2799,#2805,#2826,#2830)
  • Portuguese (PR #2768)
  • Russian (PR #2760,#2840)
  • Swedish
  • Tamil (PR #2812,#2813)
  • Turkish (PR #2782)

Internals

• Fix syntax warning in GetTranslationsStatus.py (PR #2751)

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)

---

What's Changed

• Add the feature to open multiple files in the folder compare window requested in #1423. by @tjmprm77 in #2749
• Fix syntax warning in GetTranslationsStatus.py by @gerundt in #2751
• Update French.po by @slolo2000 in #2754
• Update Russian.po by @Timon34 in #2760
• Update French.po by @slolo2000 in #2761
• Update French.po by @slolo2000 in #2762
• Update Bulgarian by @StoyanDimitrov in #2763
• Update Korean.po by @VenusGirl in #2766
• Update Portuguese.po by @hugok79 in #2768
• Use themed size grip, use toolbar's tooltips instead of controls bar's by @ozone10 in #2769
• Turkish translation support by @bilimiyorum in #2782
• Update of Lithuanian translation by @Tichij in #2799
• Update of Lithuanian translation by @Tichij in #2805
• Tamil translations reviewed and updated few messages by @TamilNeram in #2812
• Fixed few more Tamil translation messages by @TamilNeram in #2813
• [Bug Fix] Enable/disable 'Switch to ...' options in Compare > Folder page by @anthonyleestark in #2819
• [Enhancement] Tab Switching and Tab Bar Scrolling with Mouse Wheel by @anthonyleestark in #2821
• Add the feature to compare multiple files in one action in the folder compare window requested in #324. by @tjmprm77 in #2825
• Update of Lithuanian translation by @Tichij in #2826
• [Enhancement] Enable/disable automatic navigation to a line when clicking on the Location Panel by @anthonyleestark in #2827
• Update Brazilian.po by @Marcellomco in #2829
• Update of Lithuanian translation by @Tichij in #2830
• update zh-cn translation by @yingang in #2831
• Italian language update by @bovirus in #2832
• Update Hungarian.po by @efi99 in #2836
• [Translations] update ChineseTraditional.po by @abc0922001 in #2838
• Update Russian.po by @Timon34 in #2840
• Update Corsican translation for 2.16.49 by @Patriccollu in #2844
• Update Korean.po by @VenusGirl in #2845
• Improve filter system: expression support and UI enhancements by @sdottaka in #2802

New Contributors

• @ozone10 made their first contribution in #2769
• @bilimiyorum made their first contribution in #2782
• @anthonyleestark made their first contribution in #2819

Full Changelog: v2.16.48...v2.16.49

Merge7z2500.0

Update 7-zip to 25.00