nomacs full changelog

Highlights:
Color Management — @scrubbbbs (#1454)
Proper HiDPI rendering (1:1 pixels at 100%) — @scrubbbbs (#1382)
Much better ZIP archive support — @scrubbbbs (#1314)
Faster, lighter thumbnails — @leejuyuu (#1262)
Improved comments & ratings — @leejuyuu (#1374, #1357)
New Simplified Chinese translation by @sr79368142 (#1449)
Translation work from past several years imported from CrowdIn (#1396)
Translation project revived on CrowdIn under nomacs-neo (#1396)
Shortcuts & Input:
Shortcut focus and activation fixes — @scrubbbbs (#1256)
Keyboard scrolling in thumbnail view — @spaghetti22 (#1448)
UI & Theme:
Theme reliability and animation fixes — @scrubbbbs (#1326, #1291, #1412)
Bug Fixes:
Rendering & animation fixes (pseudocolor, slides, rotation) — @scrubbbbs (#1364, #1466, #1453)
Navigation & interaction fixes (HUD input, zoom behavior, history) — @scrubbbbs (#1410, #1418, #1429)
File handling fixes (single-file dirs, ZIPs, thumbnails, save prompts) — @leejuyuu, @scrubbbbs (#1386, #1380, #1331, #1404)
Packaging & Builds:
AppImage support and fixes — @scrubbbbs (#1425, #1471, #1472, #1457)
Improved plugin loading on Unix — @scrubbbbs (#1350)
macOS CI and code signing — @scrubbbbs (#1443, #1470)
Windows build updates (Qt 6.9.3, OpenCV 4.12.0) — @novomesk (#1444, #1409)
Maintenance:
Drop Qt5; Qt 6 cleanup — @leejuyuu, @scrubbbbs (#1343, #1347)
CMake modernisation — @scrubbbbs, @novomesk (#1367, #1424, #1458)
Warnings, formatting, clang-tidy, headers — @scrubbbbs (#1369, #1375, #1405)
Translations re-enabled; plugins merged — @scrubbbbs (#1396, #1349)

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 able to run on old 64-bit Windows 7.

We had to draft a Hotfix for translations were not loaded properly in nomacs 3.6.0. So if you already updated to 3.6 please update again to 3.6.1

Image adjustments introduced
Exposure added
Batch
Improved profiles

Plugin framework redesigned
New preferences
Undo & History dock added
Statusbar improved (e.g. zoom level)

New online installer.
Full SVG support.
Quick Launch added.
Tiny planet option added.

Folder ScrollBar added again (and updated)
Various crashes are fixed now (metadata saving/displaying)
Sorting fixed
And some minor bug fixes

Improved batch processing (you can now add images from multiple folders)
New Metadata HUD panel (you can dynamically choose entries)
nomacs respects your default proxy settings (e.g. when updating)