• dropped unmaintained and outdated libgtksourceviewmm3 for libgtksourceview4 (direct access to C API, #2562)
• implemented quick node selection typing part of the node name, default keyboard shortcut to Ctrl+Shift+G (#2552, work of @ericguin)
• implemented collapsible headers support when TOC is generated (#2389)
• fixed links to nodes not working when exporting to html, single file (#2570)
• fixed properties of fonts selected in the preferences dialog not enforced: bold, italic, stretch, variant (#2533)
• hyperlinks: do not automatically add the prefix http:// when a URL-like prefix already exists (#2570)
• fixed crash pressing Ctrl+Z while editing table light cell
• changed default keyboard shortcut to open codebox properties dialog to Shift+Alt+U as the previous shortcut was causing problems to german layout keyboards (#2549)
• fixed formatting issues with fmt 11 (#2548, #2560)
• added support for new language Slovak (work of Michal Fusatý)
• incomplete languages: ar, el, fa, fi, hi_IN, hr, kk_KZ, kk_LA, pt_BR, ru, zh_CN