2.0.0

What's New

Major: Migration from GTK3 to GTK4

• Replace WebKit2 (4.x) with WebKit (6.0)
• Replace GtkSource 4 with GtkSource 5
• Replace GtkSpell with libspelling 1
• Replace VTE 2.91 (GTK3) with VTE 3.91 (GTK4)

Tab Support

• Open multiple documents in tabs
• Each tab shows file name and modification state

Editor Improvements

• Formatting Toolbox — quick access to common formatting actions (#16)
• Auto-bullet completion (configurable in settings)
• Tab key indentation for bullets (configurable in settings)
• System font settings are now used for both editor and preview
• Inherited source extension when opening extension-less links to missing files

RST Enhancements

• Custom RST directives: file-tree and mdinclude
• Use docutils HTML5 Writer instead of deprecated docutils-html5-writer

JSON Preview

• Collapsible folding view
• JSON path filter
• Folding toggle button

Neovim Support (formiko-vim)

• New vte dependency
• Fix Vim support on Wayland (#1)

File Browser

• Sidebar toggle — folder list can now be toggled via a top-left icon (#34)
• Unified file filters between file browser and open dialog

UI & UX

• Editor/Preview/Both toggle buttons updated to use icons
• File directory shown in window title
• Standard keyboard shortcuts for common application actions
• Tooltips on tabs
• Improved status bar word/character count formatting
• About dialog includes Troubleshooting section and issue reporting

Bug Fixes

• Fix #42: Prevent "reload from storage" popup during editing
• Fix #45: Fix pip3 install error
• Fix #53: Replace unmaintained m2r with m2r2
• Fix spurious renders and double render on tab file load
• Fix percent-encoded file:// URLs not opening correctly
• Remove deprecated recommonmark

Code Quality

• Significant code refactoring and simplification
• Dialogs refactoring
• Shortcuts refactoring
• Stylesheet fixes (including Flatpak)