- `New` [All] Introduce `PYWEBVIEW_GUI` environment variable and `webview.config.gui` property. Acceptable values are are `qt`, `gtk` and `win32`. `USE_QT` and `USE_WIN32` is deprecated.
- `Fix` [Cocoa] Closing main window does not result in program termination
- `Fix` [All] New main window re-creation after closing. 229
- `Fix` [QT] Debug mode 233
- `Fix` [Cocoa/Windows] Preserve JS API on page reload
- `Fix` [Windows] `toggle_fullscreen()` function 232. Thanks lt94
- `Fix` [Windows] `load_css()` function. Thanks wormius.