nomacs

• Windows build is able to open AVCI images
• HEJ2 images can be saved by nomacs
• --list-formats command line option to get list of supported file extensions and/or mime types.
• Bug fixes
• Updates to the bundled libraries in Windows build
• MacOS intel binaries

nomacs-3.21.1-win7.zip is a portable version capable of running on very old Windows7 system. Uses libraries from crystalidea/qt6windows7 project. Note: This version may not run on fresh Windows7 install, updates like windows6.1-kb4474419 and windows6.1-kb4490628 are recommended.

Security scan:

https://www.virustotal.com/gui/file/0d95327fc6b79d8e4fe5a170

• Refactored thumbnail and general image loader
• Support for mirrored orientation
• Light and Dark Themes
• Various bug fixes, code clean-ups and minor refactoring

Improved image formats support in Windows build:
JPEG 2000 (enabled again), DDS, JPEG XR (JXR),
CMYK support for JPEG XL.
Minor updates to AVIF plug-in (better Qt 6.8 support, upgraded libaom encoder, upgraded dav1d decoder).

Windows version was build using Qt 6.8.1
Qt 6.8 doesn’t officially supports old Windows like Windows 7. However, thanks to the project https://github.com/crystalidea/qt6windows7/ we are able to provide special portable version nomacs-3.21.0-win7.zip which is a

Release for testing purposes.

Security scan:

https://www.virustotal.com/gui/file/e00e40d9c3546523427e5e695f7120b440b0ef8165ab4b7a78e2c2dc543f6450

https://www.virustotal.com/gui/file/adfce1b36037d833492e842fee3fe1b92201757fe05525a7c6a210ab792c5404

Windows build uses Qt 6.7.1 (requires at least Windows 10)

On Linux, when both Qt5 and Qt6 are installed, you can use -DQT_VERSION_MAJOR=6 to use Qt6 libraries or -DQT_VERSION_MAJOR=5 to use older Qt5.

This release is for testing purposes.

Security scan:

https://www.virustotal.com/gui/file/eca7640530f8c1f3be08e2d001d3f5c5ae9e2ccd5f6348d44cf0d05b2a7c355e

https://www.virustotal.com/gui/file/ef2b46cdd526703dedf9c67b9f3fb06b765e3158ac86f643cba6287457e6a641

New Windows build with updated AVIF and JPEG XL plugins.

Security scan:

https://www.virustotal.com/gui/file/a29793962e9c70c118bfd44078fab4d5963f7ac159153cfc562f276fdd16e21c/detection

https://www.virustotal.com/gui/file/ae0b10f08f3928ffc7f8c7bea39c9c60d03f86500ab2d0d669b3503ba90d7398/detection

This update should resolve CVE-2023-4863 (Heap buffer overflow in libwebp) in Windows build.

Security scan:

https://www.virustotal.com/gui/file/94e5c318099e19a0519bdf6d2bc0792ea6a5dd2ed0923c06dc555f65f0cf0c78

https://www.virustotal.com/gui/file/2b26a8a504de4c31044ca741db48b1e7586627d0c3504f1af237149c0c554d4b

• Option to close nomacs with middle mouse button (if enabled in settings)
• QOI (Quite OK Image Format) support (enabled in Windows build, needs kimageformats 5.110 on Linux)
• Possibility to build nomacs with Exiv2 0.28.0

Antivirus scans:

https://www.virustotal.com/gui/file/8886cd8f1ff497074cd7c0d9bc7e45a7a3d8a198e822f24ccc3ee1373f179fbc

https://www.virustotal.com/gui/file/32a28b3b41df23689634887379de2b32fd4be88150045783ac85f417dedcbc7a

• Remove implicit auto-save.
• Revert crop functionality.
• Bundled JPEG XL plugin (Windows build only)
• Updated AVIF plugin (Windows build only)

this is a feature preview:

new cropping functionality

extends the new crop tool

• fixes crash when anti-aliasing is enabled (see #537)
• improves translations (see #538)