WinMerge v2.16.57

GitHub Releases (by Release)

WinMerge 2.16.57 Beta Release Notes

• About This Release
• What Is New in 2.16.57 Beta?
• Known issues

July 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 2.16.57 Beta?

General

• BugFix: Fixed an issue where file mapping failures could incorrectly trigger a crash (#3412)

• Add module-relative offsets to crash log stack traces

File compare

• BugFix: Avoid crash (issue #3402) by using GetFullLineLength() to avoid accessing line EOL directly

• BugFix: Fix incorrect caret position in status bar

• BugFix: Clear sync points before reloading compare files

• BugFix: Fix assertion failure on empty buffer access when all lines are deleted from a pane

• Add display line filter bar for file compare window (PR #3374)

• Improve syntax highlighting with Tree-sitter integration for better support of multiple languages (PR #3306, PR #3337, PR #3338, PR #3350, PR #3415, PR #3427, PR #3440)

• Refactor syntax parsing behind ISyntaxParser interface (PR #3415)

Folder compare

• BugFix: Crash when trying to delete a "left-only" or "right-only" file during renaming (#3411)

• BugFix: ZIP export includes unchanged files in subfolders (#3445)

• Refactor filter evaluation parameters with new EvalContext for better code maintainability (PR #3353)

Archive support

• BugFix: Fix error dialogs when comparing two Rar4 files (#3392)

• Update 7-Zip to 26.02

Select Files or Folders dialog

• Add support for clipboard URL comparison and clipboard history menu (PR #3352)

Plugins

• Add HandleSchemeClipboard plugin (PR #3352)

Project files

• Warn user before opening project files containing plugin arguments for security reasons (PR #3397, #3396)

Translations

• Translation updates:

  • Brazilian (PR #3431)
  • Chinese Simplified (PR #3429, PR #3438)
  • Chinese Traditional (PR #3426)
  • Corsican (PR #3420)
  • French (PR #3393, PR #3406, PR #3408, PR #3435)
  • German (PR #3432)
  • Italian (PR #3399, PR #3434, PR #3446)
  • Korean (PR #3422, PR #3433)
  • Lithuanian (PR #3405, PR #3439)
  • Polish (PR #3418, PR #3430)
  • Portuguese (PR #3391, PR #3414)
  • Russian (PR #3395, PR #3428)
  • Spanish (PR #3421, PR #3423, PR #3424, PR #3425)
  • Turkish (PR #3403, PR #3436)

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 French Translation by @t3chnob0y in https://github.com/WinMerge/winmerge/pull/3347
• Update Russian.po by @Timon34 in https://github.com/WinMerge/winmerge/pull/3348
• Update Korean by @VenusGirl in https://github.com/WinMerge/winmerge/pull/3349
• Add clipboard URL handler and clipboard history menu by @sdottaka in https://github.com/WinMerge/winmerge/pull/3352
• Refactor: Introduce EvalContext to unify filter evaluation parameters by @sdottaka in https://github.com/WinMerge/winmerge/pull/3353
• Update Brazilian.po by @Marcellomco in https://github.com/WinMerge/winmerge/pull/3355
• Italian language update by @bovirus in https://github.com/WinMerge/winmerge/pull/3357
• Fix incorrect copy when selection ends inside a word diff by @sdottaka in https://github.com/WinMerge/winmerge/pull/3358
• Update Turkish.po by @bilimiyorum in https://github.com/WinMerge/winmerge/pull/3359
• Update French translation by @t3chnob0y in https://github.com/WinMerge/winmerge/pull/3360
• Update Korean by @VenusGirl in https://github.com/WinMerge/winmerge/pull/3361
• Update German.po by @Havoc7891 in https://github.com/WinMerge/winmerge/pull/3362
• Refine Turkish terminology: Unicode and unpacking-related terms by @bilimiyorum in https://github.com/WinMerge/winmerge/pull/3363
• Update Polish translations in WinMerge by @miroslaw-zylewicz in https://github.com/WinMerge/winmerge/pull/3364
• Update of Lithuanian translation by @Tichij in https://github.com/WinMerge/winmerge/pull/3365
• Update Brazilian translation. Submitted by RicardoPC1967 by @sdottaka in https://github.com/WinMerge/winmerge/pull/3356
• Fix issue #3366: Preserve tree expansion and UI state after refresh by @sdottaka in https://github.com/WinMerge/winmerge/pull/3369
• update zh-cn translations by @yingang in https://github.com/WinMerge/winmerge/pull/3370
• Do not convert drive-relative paths like "C:" to "C:" by @sdottaka in https://github.com/WinMerge/winmerge/pull/3373
• Update Spanish.po by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3377
• Create manual in Spanish by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3376
• Add display line filter bar for file compare window by @sdottaka in https://github.com/WinMerge/winmerge/pull/3374
• Update Brazilian.po by @Marcellomco in https://github.com/WinMerge/winmerge/pull/3383
• Update of Lithuanian translation by @Tichij in https://github.com/WinMerge/winmerge/pull/3384
• Update Korean by @VenusGirl in https://github.com/WinMerge/winmerge/pull/3385
• Update Italian.po (GUI) by @bovirus in https://github.com/WinMerge/winmerge/pull/3386
• Update German.po by @Havoc7891 in https://github.com/WinMerge/winmerge/pull/3387
• Update Turkish.po by @bilimiyorum in https://github.com/WinMerge/winmerge/pull/3388
• Update Polish.po by @miroslaw-zylewicz in https://github.com/WinMerge/winmerge/pull/3389
• update zh-cn translations by @yingang in https://github.com/WinMerge/winmerge/pull/3390
• Update Portuguese.po by @hugok79 in https://github.com/WinMerge/winmerge/pull/3391
• Update French.po by @t3chnob0y in https://github.com/WinMerge/winmerge/pull/3393
• Update Russian.po by @Timon34 in https://github.com/WinMerge/winmerge/pull/3395
• Warn before opening project files containing plugin arguments refs #3396 by @sdottaka in https://github.com/WinMerge/winmerge/pull/3397
• Update Italian language by @bovirus in https://github.com/WinMerge/winmerge/pull/3399
• Update Brazilian.po by @Marcellomco in https://github.com/WinMerge/winmerge/pull/3401
• Update Turkish.po by @bilimiyorum in https://github.com/WinMerge/winmerge/pull/3403
• Update German.po by @Havoc7891 in https://github.com/WinMerge/winmerge/pull/3404
• Update of Lithuanian translation by @Tichij in https://github.com/WinMerge/winmerge/pull/3405
• Update French translations and metadata in French.po by @slolo2000 in https://github.com/WinMerge/winmerge/pull/3406
• Update French.islu by @Need74 in https://github.com/WinMerge/winmerge/pull/3408
• Update Portuguese.po by @hugok79 in https://github.com/WinMerge/winmerge/pull/3414
• Refactor syntax parsing behind ISyntaxParser interface by @sdottaka in https://github.com/WinMerge/winmerge/pull/3415
• Update Polish.po by @miroslaw-zylewicz in https://github.com/WinMerge/winmerge/pull/3418
• Update Corsican translation for 2.16.57 by @Patriccollu in https://github.com/WinMerge/winmerge/pull/3420
• Update Spanish.po by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3421
• Update Korean by @VenusGirl in https://github.com/WinMerge/winmerge/pull/3422
• Update ReadMe-Spanish.txt by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3423
• Update Spanish.islu by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3424
• Update Spanish.po by @P0rsche-911 in https://github.com/WinMerge/winmerge/pull/3425
• Update ChineseTraditional.po by @love80312 in https://github.com/WinMerge/winmerge/pull/3426
• Update Russian.po by @Timon34 in https://github.com/WinMerge/winmerge/pull/3428
• update zh-cn translation by @yingang in https://github.com/WinMerge/winmerge/pull/3429
• Fix Polish translation by @miroslaw-zylewicz in https://github.com/WinMerge/winmerge/pull/3430
• Tree-sitter Integration by @sdottaka in https://github.com/WinMerge/winmerge/pull/3306
• Update Brazilian.po by @Marcellomco in https://github.com/WinMerge/winmerge/pull/3431
• Update German.po by @Havoc7891 in https://github.com/WinMerge/winmerge/pull/3432
• Update Korean by @VenusGirl in https://github.com/WinMerge/winmerge/pull/3433
• Update Italian.po by @bovirus in https://github.com/WinMerge/winmerge/pull/3434
• Update French.po files by @t3chnob0y in https://github.com/WinMerge/winmerge/pull/3435
• Update Turkish.po by @bilimiyorum in https://github.com/WinMerge/winmerge/pull/3436
• update zh-cn translations by @yingang in https://github.com/WinMerge/winmerge/pull/3438
• Update of Lithuanian translation by @Tichij in https://github.com/WinMerge/winmerge/pull/3439
• Update tree-sitter versions by @Thorium in https://github.com/WinMerge/winmerge/pull/3440
• Fix issue #3444: ZIP export includes unchanged files in subfolders by @sdottaka in https://github.com/WinMerge/winmerge/pull/3445
• WinMerge - Doc - Italian update by @bovirus in https://github.com/WinMerge/winmerge/pull/3446

Full Changelog: https://github.com/WinMerge/winmerge/compare/v2.16.56...v2.16.57