2022-01-07 meld 3.21.1

UI changes:

• A new custom per-pane location display widget replaces the standard GTK+
  file chooser button and our existing placeholder path display, including
  actions for opening containing folder and copying file paths (Kai
  Willadsen)
  
• Version control comparison has had its action bar modernised in line with
  file and folder comparison (Kai Willadsen)
  

Features:

• The find bar now remembers the previous search across panes (Jack)
  
• We show a warning to the user if they're trying to compare a file or
  folder to itself (Jack)
  
• Meld no longer uses custom file chooser dialogs, improving portability
  and flatpak behaviour (Mario Aichinger)
  
• Two pane comparisons now allow Alt+Right/Left to work in either pane
  (Anatoli Babenia)
  
• Certain header bar actions (e.g., conflict navigation, filters) are now
  only shown in their appropriate comparison types (Kai Willadsen)
  
• The application title no longer includes the per-comparison label (Kai
  Willadsen)
  
• Add a preference for GTK's dark theme support (Kai Willadsen)
  
• Retain clipboard contents after exiting Meld (Kai Willadsen)
  

Fixes:

• Fix incorrect detection of FUSE directory comparisons as remote (mscdex)
  
• Fix "Open Externally" on Windows for paths with spaces (adam0antium)
  
• Fix syntax highlighting in version control by using the correct file
  extension (Alan Suran)
  
• Move application icons into the resource bundle (Vasily Galkin)
  
• Improved error reporting for invalid change actions (Anatoli Babenia)
  
• Fix too-large minimum window size from status bar buttons (Kai Willadsen)
  
• Fix Subversion comparsion on Python 3.9 (Kai Willadsen)
  
• Fix bad translation source strings with multiple arguments (Kai Willadsen)
  
• Fix performance regression in file comparison line splitting logic (Kai
  Willadsen)
  
• Fix folder comparison sensitivity breaking when cancelling a scan (Kai
  Willadsen)
  
• Fix occasional traceback when closing comparisons (Kai Willadsen)
  
• Fix orphaned comparison helper process when quitting (Kai Willadsen)
  
• Minor UI fixes:
  
  • Fix About dialog URL (TotalCaesar659)
    
  • Update About dialog copyright (Kai Willadsen)
    
  • The new comparison page now better distinguishes the "Compare" and
    "Blank Comparison" actions (Kai Willadsen)
    
  • The comparison overview map is now more responsive when dragging (Kai
    Willadsen)
    
  • The find bar now waits briefly before searching to improve
    responsiveness (Kai Willadsen)
    
  • The find bar no longer hides when it loses focus (Kai Willadsen)
    
  • Allow preferences dialog to be resized (Kai Willadsen)
    
  • Main menu can now be activated with F10
    
  • Find next/previous can now be activated with F3/Shift+F3 (Kai Willadsen)
    
• Windows fixes:
  
  • Add a MeldConsole.exe executable for running Meld from the console (Kai
    Willadsen)
    
  • Update Windows build to force all-users installation (Kai Willadsen)
    
  • Improve default monospace font on Windows (Kai Willadsen)
    
  • Fix empty line height and fallback fonts by changing the Pango font
    backend to fontconfig on Windows (Kai Willadsen)
    
  • Add Meld's install directory to the Windows PATH (Kai Willadsen)
    
  • Add a basic GTK settings.ini for Windows builds (Kai Willadsen)
    
  • Add the Meld icon to the Windows add/remove programs UI (Kai Willadsen)
    
  • Fix file comparison holding a directory handle after close (Kai
    Willadsen)
    
• Issues fixed: 25, 91, 143, 354, 433, 445, 453, 459, 477, 482, 488, 491,
  499, 502, 526, 530, 539, 541, 557, 561, 564, 565, 571, 579, 590, 603
  

Internal changes:

• Modernise and improve the new Meson build rules (Iñigo Martínez)
  
• CI + build improvements (Jason Edson, Jordan Petridis, Vasily Galkin, Kai
  Willadsen)
  
• Nightly Meld builds now use the standard nightly icon styling (Kai
  Willadsen)
  
• Clarify licensing in appdata (Kai Willadsen)
  
• Windows build fixes (Kai Willadsen)
  
• Add documentation on hosting infrastructure (Kai Willadsen)
  

Translations:

• Anders Jonsson (sv)
  
• Andika Triwidada (id)
  
• Asier Sarasua Garmendia (eu)
  
• Ask Hjorth Larsen (da)
  
• Balázs Úr (hu)
  
• Christian Kirbach (de)
  
• Clay Stan (zh_CN)
  
• Daniel Mustieles (es)
  
• Daniel Șerbănescu (ro)
  
• Dz Chen (zh_CN)
  
• Emin Tufan Çetin (tr)
  
• Enrico Nicoletto (pt_BR)
  
• Hugo Carvalho (pt)
  
• Jiri Grönroos (fi)
  
• Jordi Mas (ca)
  
• Julien Hardelin (fr)
  
• Luna Jernberg (sv)
  
• Marek Černocký (cs)
  
• Matej Urbančič (sl)
  
• Muhammet Kara (tr)
  
• Philipp Kiemle (de)
  
• Piotr Drąg (pl)
  
• Rafael Fontenelle (pt_BR)
  
• Rodrigo Lledó (es)
  
• Yi-Jyun Pan (zh_TW)
  
• Yuri Chornoivan (uk)
  
• Мирослав Николић (sr)