# 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)