2.4.1
Improvement: Show issues only in Issues Tabs 
Bugfix: Files breadcrumb navigation links
Bugfix: Login with special characters

2.4.0
New: Light theme (choose from settings)
New: Download files in Fileviewer (need write permissions)
New: Custom fonts (choose from settings)
New: PDF support in Fileviewer
New: Night mode in PDF (Fileviewer)
New: Default list of repositories in Explore screen
New: Latvian language support

For more, check the release notes.
https://gitea.com/gitnex/GitNex/releases