pywebview

⚡ Features

• All New `webview.settings['DRAG_REGION_DIRECT_TARGET_ONLY'] setting to control whether drag region selector matches only direct targets or any element in the event path. Default is False. Thanks @chrissantamaria
• EdgeChromium Ability to bundle WebView2 runtime with the application via webview.settings['WEBVIEW2_RUNTIME_PATH']. Thanks @leovuk
• Cocoa Support for application menu. Thanks @camdarley. #1725

🚀 Improvements

• All Handle new elements in draggable and drag region client logic. Thanks @chrissantamaria
• All Improve detection of cyclic structures during serialization from JS to Python. #1708
• QT Properly handle SIGINT to quit program allowing to close the window with Ctrl+C in terminal. Thanks @chrissantamaria.
• Cocoa Add support for 'New Folder' button in FOLDER_DIALOG on macOS. Thanks @camdarley. #1710
• Dev Automatic linting and formatting on pre-commit hook installation.

🐞 Bug fixes

• All Fix state change event not being fired on state change from JS side #1698
• All Fix state values with special characters not being set properly.
• All Fix special characters handling in HTML attributes and styles in Element object.
• Android Fix window.event.closed not being fired
• Android Improve cleanup on application exit
• Cocoa Support for partial functions in menu actions #1707
• Cocoa Add missing pyobjc-framework-UniformTypeIdentifiers dependency. Thanks @Josef-Haupt.
• Cocoa module 'objc._objc' has no attribute 'file' after package #1717
• GTK Fix data not being remove on application quit in private mode #1713
• Winforms AttributeError: 'Screen' object has no attribute 'X #1704
• MSHTML Fix MSTML compatibility #1701

⚡ Features

• All Shared state management via window.state object. State object is automatically updated between Javascript and Python.
• All New request_sent and response_received events. The events are fired when a HTTP request is sent and a response is received. Request headers can be modified before sending.
• All Window specific menu that can be created via webview.create_window(menu=webview.menu.Menu).
• All Add origin coordinates (x, y) to webview.screen.Screen object
• All JS API nested classes can now be omitted from serialization by setting _serializable = False class attribute.
• Cocoa New webview.settings['SHOW_DEFAULT_MENUS'] parameter to omit default menus. True by default. Thanks @mikeylemmon.
• Android New Android Kivyless implementation for improved startup time and smaller package size. Thanks @kengoon.
• Android Fullscreen mode support #1598. Thanks @michelle-avery.

🚀 Improvements

• All BREAKING: webview.SAVE_DIALOG, webview.OPEN_DIALOG and webview.FOLDER_DIALOG constants are deprecated in favor of webview.FileDialog enum with values SAVE, LOAD and FOLDER.
• All BREAKING: Deprecated functions window.get_element and window.get_elements are removed. Use window.dom.get_element and window.dom.get_elements instead.
• All BREAKING: webview.DRAG_REGION_SELECTOR is deprecated. Use webview.settings['DRAG_REGION_SELECTOR'] instead.
• All Modify JS API to use callback instead of setInterval #1607. Thanks @qaqFei.
• All When exposing a Window object to JS API, dom, events and state objects are omitted.
• All Logging level set by PYWEBVIEW_LOG environment level takes precedence over debug parameter.
• Android New test suite for Android platform.
• Cocoa Add handler for Javascript prompt/input #1567. Thanks @maddyaby.
• Winforms Dark mode support with automatic theme changing #1595. Thanks @godcop.

🐞 Bug fixes

• All Better duplicate object detection in JS API serialization.
• All Loading URLs with a hash served by local HTTP server. #1574
• All Multiwindow with local-url setups sets wrong server root (BottleServer). Thanks @Sopze92.
• All SSL support for HTTP apps. Thanks @Gu-f.
• All Fix duplicate logging when webview is imported multiple times.
• Android Fix JSON-encoded values returned by window.evaluate_js.
• Android Fix cookie support.
• Cocoa Don't terminate app if windows shouldn't close #1580. Thanks @mikeylemmon.
• Cocoa File filter set via <input type="file"> tag.
• GTK Fix Javascript exception handling #1648.
• QT Fix user agent string.
• QT Fix QWebPage enums. #1639
• EdgeChromium Fix easy drag
• EdgeChromium Remote Debugging Fails When Both storage_path and REMOTE_DEBUGGING_PORT are set
• EdgeChromium Fix window transparency. Transparent windows can now react to mouse events.
• Winforms Fix window placing on a screen

⚡ Features

• All A new function for executing Javascript as is window.run_js(code) without returning a result
• All New before_load event that is fired right before pywebview code is injected into the page. The event roughly corresponds to DOMContentLoaded DOM event.
• All Screen object now have origin coordinates as screen.x and screen.y
• EdgeChromium Add remote debugging support via webview.settings['REMOTE_DEBUGGING_PORT']. Thanks @Lugribossk

🚀 Improvements

• All Implement a len method for Event objects to get a number of event subscribers.
• All The order of firing of loading events loading, before_load and loaded is standardized across the platforms.
• All Window objects can now be exposed via JS API
• All Make webview.settings key immutable.
• GTK 'undefined'and 'null' string values are no longer translated to None during JS API serialization.
• Cocoa Add support for the download attribute on links. Thanks @maddyaby.
• Cocoa Ignore ssl errors for local HTTP server by default
• Cocoa Native Color Picker on MacOS is drawn in the wrong place #1568. Thanks @maddyaby
• Cocoa Improved support for py2app #1565
• EdgeChromium Update webview2 binaries to 1.0.2957.106

🐞 Bug fixes

• HTTP Fix loading local urls with a hash served by local HTTP server.
• EdgeChromium Delete browser data in private mode on program exit
• Cocoa Fix typo in abortModal call. Thanks @simonrob
• Cocoa Fix missing menu
• Cocoa Fix window close termination when pressing Cmd+Q. Thanks @mikeylemmon.
• Cocoa Fix missing get_active_window. Thanks @sardination
• Windows Fix window placing in certain monitor layouts when assigning to a specific monitor.
• Windows Fix a short blank when closing the window. Thanks @godcop

🐞 Bug fixes

• Fix Pyinstaller compatibility for non-Windows platforms #1508
• Error occurs when alert() is called with non-string arguments #1506

🐞 Bug fixes

• Fix Pyinstaller compatibility

⚡ Features

• All Native window object for each platform is now exposed window.native. You can use it for example for applying custom appearance to a window. Additionally WebView is exposed via window.native.webview
• All New window.events.before_show event.
• All New DomEventHandler debounce parameter. It can be used it for solving performance issues with dragover and mouseover events.
• GTK/QT application icon support for GTK and QT platforms webview.start(icon=<path>)

🚀 Improvements

• All Storage path is now verified for write permissions before application start. An exception is thrown, if path is not writable.
• All Refined logic at which point of the startup procedure shown event is fired.
• Cocoa Better handling of stopping event loop in headless environments.
• Windows Fallback to WinForms when QT is forced and not available
• Windows Remove white border in a fullscreen window.
• Windows Support multiple selection in open folder dialog.

🐞 Bug fixes

• All Support for Unicode filenames in drag and drop. Thanks @hustshenl
• Cocoa Fix open file dialog file type selector and all files filter
• Cocoa Fix folder drag and drop. Thanks @pythons
• GTK Fix multiple file drag and drop on certain Linux distributions. Thanks @coffeejunk
• QT QT6 compatilibity
• QT Release of profile requested but WebEnginePage still not deleted with multiple windows
• Windows Graceful handling for shcore.dll not being present on Windows 7. Thanks @rafael-vasconcellos.
• Windows Return result of open folder dialog is fixed to tuple.
• Edge Chromium Current url not being updated after a navigation event. Thanks @hustshenl

🚀 Improvements

• All Replace print with logging in JS API exception handling.
• All Replace ssl.wrap_socket() with SSLContext().wrap_socket(). Thanks @lanzz
• WinForms Add a modern Vista open folder dialog. Thanks @v_yonghliao
• Winforms Fallback to Winforms when QT is forced, but not available.
• EdgeChromium Replace window.alert with a message box implementation.
• MSHTML Convert JS API code to ES5 to be compatible with MSHTML.

🐞 Bug fixes

• All Add missing return in DOM.body property. Thanks @lanzz.
• All Use json.dumps to serialise the html template in create_element. Thanks @lanzz
• All Fix ever-growing main menu bug. Thanks @lanzz
• All Change on_closing event handlers to be executed synchronously in order to prevent a deadlock when using thread join. #1439
• All Fix TypeError: unhashable type with certain unhashable object types exposed via JS API. #1442
• Cocoa Fix nil pointer dereference during file download. Thanks @realityone.
• EdgeChromium Support multiple pywebviews at the same time. Thanks @huan1936.
• QT QT6 compatibility.
• QT Fix devtools in PySide6. Thanks @TransparentLC
• QT Fix user agent.
• QT Fix segfault on window close.

⚡ Features

• All Clear all the cookies (including HttpOnly) with window.clear_cookies(). Sponsored by TBS
• All pywebview event handler can now have an optional window parameter that holds an instance of the Window object that triggered the event.

🚀 Improvements

• Windows Add window shadow with webview.create_window(..., shadow=True). Thanks @yllhwa

🐞 Bug fixes

• Cocoa Fix showing window
• QT Fix fetching cookies in private mode
• QT Fix blank screen in Pop! OS. Thanks @ysfchn.
• GTK Fix frameless windows having a hard-coded minimum size. Thanks @coffeejunk

🐞 Bug fixes

• All Prevent infinite recursion in nested JS API #1327
• CEF Crash due incorrect settings #1330
• QT WebEnginePage not deleted after window is closed #1328
• QT Blank screen on certain Linux systems #1325

🐞 Bug fixes

• All Python 3.7 compatibility

🚀 Improvements

• QT window position is returned in coordinates excluding the window frame to be in line with provided coordinates.

🐞 Bug fixes

• EdgeChromium CoreWebView2Settings exception in debug mode. #1323
• QT Crashing when closing additional windows #525
• QT DevTools failing to focus on open

⚡ Features

• Android support. pywebview can now be used on Android devices with help of buildozer in producing APK. #377
• DOM manipulation, traversal and events. pywebview provides a set of functions for mutating DOM nodes and traversing DOM, as well as you can subscribe to DOM events directly in Python. #1218
• Application settings webview.settings. You can now override default behaviour of pywebview by modifying this dictionary. Currently configurable settings include.

webview.settings = {
    'ALLOW_DOWNLOADS': False, # Allow file downloads
    'ALLOW_FILE_URLS': True, # Allow access to file:// urls
    'OPEN_EXTERNAL_LINKS_IN_BROWSER': True, # Open target=_blank links in an external browser
    'OPEN_DEVTOOLS_IN_DEBUG': True, # Automatically open devtools when `start(debug=True)`.
}

• Support for file downloads. To enable file downloads, set webview.settings['ALLOW_DOWNLOADS'] = True. Disabled by default.
• Full path support for file drag n drop. To get a full path of the dragged file, pywebview introduces event['domTransfer']['files'][0]['pywebviewFullPath'] value in the drop event caught on the Python side. To subscribe to the event you use window.dom.document.events.drop += on_drop.
• window.maximize() - maximize window.

🚀 Improvements

• All A more powerful JS data serializer capable of handling different data types and detecting circular references #1217
• All Nested JS API support. See examples/js_api.py for details. Thanks @AlecHaring
• All BREAKING: window.get_elements returns a list of instances of a new Element object.
• All BREAKING: evaluate_js throws a webview.errors.JavascriptException if executed codes raises an error
• Windows WebView2 control updated to 1.0.2045.28
• Windows Add SSL support for local HTTP server.
• GTK Update deprecated code

🐞 Bug fixes

• Cocoa Suppress secure coding is not enabled for restorable state warning. Thanks @awesomo4000
• EdgeChromium Background color not available in webview2. Thanks @Vanthys
• EdgeChromium Multiple focus events on window show. Thanks @yllhwa
• GTK Fallback for Webkit4.0 if 4.1 not found. Thanks @starnight.
• QT Fix user agent string. #1256 Thanks @TransparentLC.
• QT Solve the blank main window issue on RHEL9. Thanks @justincui #1266
• QT Submenu actions firing incorrectly #1318

🐞 Bug fixes

• GTK Fallback for WebKit 4.0 if 4.1 not found.

🐞 Bug fixes

• Cocoa Window not retaining focus on keystrokes. #1187
• Cocoa App crashing when closing fullscreen window. #1236
• Cocoa Video keeps playing after closing window. #1235
• Cocoa Uploaded file is empty if filename contains a space. #1231
• Cocoa Return value of confirmation dialog created by window.confirm. #976
• Windows Fullscreen application disappearing after disconnecting extended display. #1229

🚀 Improvements

• All Don't start http server for file:// urls. Thanks @glorpen
• GTK Bump WebKit2 to 4.1. Thanks @starnight
• Windows Disable swipe navigation #1230
• Windows Window is changed to fullscreen on the current monitor in a multi-monitor setup.

🐞 Bug fixes

• [QT] Fix QT implementation

🐞 Bug fixes

• [Winforms] Fix easy_drag from being always enabled.

🐞 Bug fixes

• [Cocoa] Add missing maximized implementation

⚡ Features

• [All] webview.create_window(maximized=False) Create a window in a maximized state. Thanks @vsajip
• [All] webview.create_window(screen=screen_instance) Create a window on a specific monitor, where screen is a screen returned by window.screens. Thanks @louisnw01
• [All] Window title can be obtained / set via window.title.

🚀 Improvements

• [All] Window closing event fired after closing confirmation #1178. Thanks @p4bl0-
• [All] Improve performance of JS API calls by removing the initial delay of 100ms.
• [GTK] Native JS Bridge. HTTP server based JS bridge is removed.
• [GTK] Remove support for Webkit older than 2.2

🐞 Bug fixes

• [All] Easy drag memory leak #1176
• [Winforms] Easy drag support #1125
• [Winforms] Incorrect DPI scaling
• [Winforms] Private mode not working if webview.screens is returned before webview.start #1193
• [QT] Add no sandbox for arch/manjaro/nixos to avoid white screen problem #890. Thanks @myuanz
• [GTK] Closing event handlers cancellation. Thanks @p4bl0-
• [GTK] SEGFAULT on second webview.start() call #1063. Thanks @PercentBoat4164

• [All] Fix 'NoneType' object has no attribute 'start_server'. #1159

🐞 Bug fixes

• [All] Fix installation.

⚡ Features

• [All] webview.create_window(focus=False) to create a non-focusable window. Thanks @mi4code #1030.

🚀 Improvements

• [All] Modernization of project infrastructure + typing. Thanks @demberto.
• [Winforms] Top level menu item support. Thanks @zhengxiaoyao0716.
• [Winforms] Disable touchpad elastic overscroll. Thanks @firai.

🐞 Bug fixes

• [Winforms] Unable to load DLL 'WebView2Loader.dll': The specified module could not be found. Thanks @kawana77b #1078
• [Cocoa] Add missing pip dependency pyobjc-framework-security.

Released 02/05/2023

⚡ Features

• [Cocoa/QT/GTK] SSL support for built-in http server webview.start(ssl=True). Thanks @keredson

🚀 Improvements

• [All] JS API exceptions are now printed both in Python and Javascript consoles.
• [All] Hide menu bar when there is no menu. Thanks @Joffreybvn

🐞 Bug fixes

• [All] Fix bug where http_port was not being forwarded to the actual window #1060. Thanks @robb-brown
• [All] Switch from tempfile to os.devnull to fix PyInstaller issue. Thanks @simonrob
• [Cocoa] Fix getting cookies in cocoa. Thanks @eerimoq
• [Cocoa] Fix exception occurring when main menu for application cannot be obtained.
• [Windows] A more robust logic for setting user data directory. Thanks @al-eax
• [Windows] Fix exception when executing a menu function
• [Windows] Fix the title and message of the confirmation dialog. Thanks @zhengxiaoyao0716

🚀 Improvements

• [All] HTTP server is now multithreaded. This should prevent stalled requests. #1025
• [Windows] webview.start(storage_path) can now be set in private mode. This can be useful if you do not have write access to EdgeChromium default data directory and get 0x80070005 (E_ACCESSDENIED) error. #1026

🐞 Bug fixes

• [All] Fix AttributeError: module 'webview.http' has no attribute 'running' exception occurring when multiple windows are opened. Thanks @YidaozhanYa. #1024
• [Winforms] Fix on_top not having any effect on Windows. #1036
• [Winforms] Fix create_window(hidden=True) makes the show() command not work #1050
• [Windows] Fix pyinstaller compatibility on Windows. Thanks @simonrob #1044
• [CEF] Fix window.get_cookies() throwing KeyError exception. #1021
• [Cocoa] Fix non-QWERTY keyboard shortcuts. Thanks @max-uho
• [QT] Fix web inspector preventing to open. #1028
• [GTK] Fix "ImportError: Requiring namespace 'Soup' version '2.4', but '3.0' is already loaded" Thanks @YidaozhanYa #1041

🚀 Improvements

• [All] Suppress HTTP server logging if not in debug mode.

🐞 Bug fixes

• [All] Fix HTTP server starting twice with a single window. Thanks @robb-brown.

💔 BREAKING CHANGES

• [All] Window events are moved into window.events namespace. window.loaded, window.shown etc no longer work.
• EdgeHTML support is removed.

⚡ Features

• [All] Local homegrown HTTP server is replaced with bottle.py. Thanks @robb-brown for WSGI support.
• [All] Native application menu support. See examples/menu.py for usage example. Thanks @sardination
• [All] webview.start(private_mode=True, storage_path=None) Private mode and persistant storage support in a non-private mode. Private mode is enabled by default.
• [All] webview.create_window(zoomable=False) Enable / disable zooming on webpage. Disabled by default.
• [All] webview.create_window(draggable=False) Enable / disable dragging of IMG and A elements. Disabled by default.
• [All] webview.create_confirmation_dialog(title, content) creates a confirmation (Ok, Cancel) dialog. Thanks @sardination.
• [All] window.get_cookies() retrieve all the cookies (including HttpOnly) for the current webpage.
• [macOS] webview.create_window(vibancy=False) Window vibrancy suppport. macOS only. Thanks @CahierX.

🚀 Improvements

• [All] Local relative URLs (eg. src/index.html) are opened using the built-in http server by default. Support for local URLs is still possible using file:// schema
• [Cocoa] Disable Ctrl+click context menu. Thanks @ecpost.
• [EdgeChromium] Improve evaluate_js performance.
• [GTK] Enable media / audio / WebGL / clipboard related WebKit features

🐞 Bug fixes

• [Cocoa] Fix passing through keyboard events handled by pywebview. Thanks @ecpost.
• [GTK] Fix JS bridge maximum return object size limitation. GTK's JS bridge is implemented via HTTP server.
• [GTK] Fix hanging problem during window closing when JS evaluation is in progress

Released 16/11/2022

🐞 Bug fixes

• [All] Fix missing libraries from the previous release

🚀 Improvements

• [Windows / Linux] Devtools is automatically opened in debug mode.
• [EdgeChromium] Browser shortcut keys are disabled by default

🐞 Bug fixes

• [Edge Chromium] Better platform detection

🚀 Improvements

• [Edge Chromium] ARM64 support

⚡ Features

• [All] New window.moved event. Thanks @irtimir

🚀 Improvements

• [EdgeChromium] Remove The system cannot find the file specified - Microsoft Edge WebView2 Runtime Registry path: Computer\HKEY_CURRENT_USER\Microsoft\EdgeUpdate\Clients{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5} error message displayed in debug mode.
• [CEF] error.log is no longer deleted when in debug mode.

🐞 Bug fixes

• [All] Fix evaluate_js_async crash and program termination prevention. Thanks @detritophage.
• [WinForms] Fix form initialization for pythonnet 3. Thanks @irtimir
• [CEF] Fix errorous script execution in evaluate_js, so that further script do not get stuck. Thanks @irtimir
• [CEF] Fix master uid not found error on startup.
• [QT] Remove 'Empty key passed' messages. Thanks @TomFryers
• [QT] PySide6 backend not working. Thanks @sbbosco
• [QT] Prevent 'Release of profile requested but WebEnginePage still not deleted. Expect troubles !' message on close. Thanks @sbbosco

🐞 Bug fixes

• [Winforms] Support for Edge Chromium v100. Thanks @greper.

🐞 Bug fixes

• [Cocoa] Fix closing window

• Fix [CEF] Exception on start

• New [All] Python 3.6 is the minimum supported version from now on.
• New [All] minimized, maximized, restored, resized events. Thanks @BillBridge for sponsorship.
• New [All] evaluate_js async support. evaluate_js(code, callback) can evaluate promises via an optional callback parameter.
• New [All] Events moved to its own window.events namespace (e.g. window.loaded → window.events.loaded). Old events are supported throughout 3.x and will be removed in 4.0.
• New [All] window.resize(width, height, fix_point) has now an optional parameter fix_point that controls in respect to which point the window is resized.
• New [All] MSHTML and EdgeHTML are deprecated. No further development will be done on these renderers.
• New [Winforms] Focus webview on start or window activate events.
• New [EdgeChromium] Custom user agent support.
• New [EdgeChromium] Window transparency support. Mouse and keyboards events are not supported in transparent. Thanks @odtian.
• New [CEF] Ability to pass custom CEF browser settings. Thanks @Rolf-MP.
• Improvement [EdgeChromium] Support non-elevated installations of WebView2. Thanks @ultrararetoad.
• Improvement [EdgeChromium] Better support for Edge Chromium runtime detectiom. Thanks @r-muthu-saravanan.
• Improvement [EdgeChromium] WebView2 runtime updated to
• Improvement [QT] Pyside support via PyQT wrapper. Thanks @tshemeng.
• Fix [Cocoa] Make Ctrl-C (SIGINT) work on Cocoa when running from the command line
• Fix [EdgeChromium] Fix `load_html. Thanks @sbbosco.
• Fix [Cocoa] Fix cancelling of closing the window in the closing event Thanks @fizzadar.
• Fix [QT] Fix simultaneous calls to JS API.
• Fix [GTK] Fix concurrency issues with get_size, get_position and get_current_url.

• New [All] Get information about available screens via new webview.screens property.
• New [All] Per window localization. Thanks @fizzadar.
• New [All] Window closing can be cancelled by returning False from a closing event handler. #744.
• Fix [All] Debug mode cannot be set under certain conditions. #628
• Improvement [All] Selected web renderer printed in Python console in debug mode.
• Improvement [All] JS API serialization logic. Thanks @peter23
• Improvement [EdgeChromium] Chromium runtime updated to version 1.0.774.44. Thanks @sbbosco.
• Improvement [EdgeChromium] Custom user agent support.
• Fix [WinForms] Icon handling logic to make pywebview compatible with pystray. #720. Thanks @simonrob
• Fix [EdgeChromium] Change webview component to transparent. Thanks @ODtian
• Fix [CEF] Fix exception when destroying window
• Fix [Cocoa] cmd+w bypasses exit confirmation dialogue. #698. Thanks @fizzadar
• Fix [Cocoa] Fix window coordinate calculation logic when moving a window.
• Fix [MSHTML] Fix drag_region
• Fix [MSHTML] Fix window.alert

• New [Windows] WebView2 Chromium support. Thanks sbbosco. #521.
• Fix [All] Exception with HTML checkboxes and get_elements. #622.
• Fix [All] pystray compatibility. Thanks AlexCovizzi. #486.
• Fix [All] expose methods instead of all callables for JS API objects. Thanks jgentil. #629.
• Fix [EdgeHTML] Make returning results of evaluate_js more robust. Thanks sbbosco.
• Fix [QT] KDE_FULL_SESSION not being used. Thanks Maltzur.
• Fix [Cocoa] Unicode filenames for input files.
• Improvement [Cocoa] Only install the specific pyobjc packages required. Thanks Fizzadar.
• Improvement [Cocoa] Add support for default document navigation and window handling shortcut keys . Thanks ikhmyz and Fizzadar

• Fix [EdgeHTML] Server middleware handling
• Fix [EdgeHTML] file:// url handling

• [EdgeHTML] Fix content not displaying with local URLs or local HTTP server
• [Cocoa] Fix arrow keys not responding in text input fields. Thanks awesomo4000

• Fix [Cocoa] Save dialog not working #578.
• Fix [Cocoa] Error sound being played when pressing keys on macOS #566.

• Fix [All] Load html triggers error - resolve_url() missing 1 required positional argument: 'should_serve' #562.
• Fix [Cocoa/GTK] Access window size on closing #573.
• Fix [GTK] Save file dialog now returns a string instead of a tuple.

Fix Unable to start on Windows.

• New [All] Brand-new WSGI based internal HTTP server. Thanks @astronouth7303.
• New [All] Transparent windows. Not available on Windows.
• New [All] Allow pywebview window to be on top of other windows.
• New [All] Custom window drag region using CSS classes. Thanks @Fizzadar.
• New [All] Custom user-agent support. Thanks @tognee.
• Fix [All] Python function not triggered using JS #458.
• Fix [All] window methods do not work in loaded event #528.
• Fix [Cocoa] Caption bar and window control buttons are now hidden In frameless mode.
• Fix [CEF] CEF window resize hang #484.
• Fix [MSHTML] Fix easy drag in frameless mode.
• Fix [EdgeHTML] Do not show admin prompt for non-local URLs.
• Fix [GTK] Fix threading issues with recentish versions of PyGObject
• Fix [QT] Fix opening web inspecting in debug mode

Released 24/01/2020

• New [All] Window x, y, width and height properties to retrieve coordinates and dimensions of the window. Thanks @Fizzadar
• New [All] window.expose(func) an ability to expose an arbitrary function to the JS realm, also during the runtime.
• Improvement [All] JS API methods can now accept an arbitrary number of arguments
• Improvement [All] Exceptions thrown in a JS API method is now raised in Javascript via its promise.
• Improvement [All] Exceptions thrown in window event handlers are now caught and logged.
• Improvement [All] Random port assigned by the built-in HTTP server can be retrieved via webview.http_server.port
• Improvement [QT] Microphone/webcam are enabled by default. Thanks @dtcooper
• Improvement [QT] Default debugger port is changed to 8228. Thanks @melvinkcx
• Improvement [CEF] Ability to pass custom CEF settings via webview.platforms.cef.settings. See example for details.
• Fix [All] Built-in HTTP server is properly restarted when using window.load_url
• Fix [Cocoa] New window position is correctly calculated when using window.move
• Fix [EdgeHTML] window.alert fix

Released 04/11/2019

• New [All] Window minimize/restore functionality. Ability to show window minimized on startup.
• New [All] Window hide/show functionality. Ability to show window hidden on startup.
• New [All] Window move functionality. Ability to set window coordinates on startup. Thanks @adbenitez.
• New [All] New window.pywebviewreadyDOM event that is thrown when window.pywebview is available.
• New [All] Links opened via window.open are opened in a new browser window.
• Fix [All] Fix concurrent invocations of JS API functions.
• Fix [All] Fix unescaped single quote in JS API calls.
• Fix [All] Built-in HTTP server is now multi-threaded. This fixes stalling HTTP requests in some cases.
• Improvement [All] window.set_window_size is deprecated in favour to window.resize.
• Improvement [All] Exceptions are now handled in JS API functions and rerouted to the function promise catch method.
• Improvement [All] Suppress built-in HTTP server logging. Logging is active only in the debug mode.
• Fix [CEF] Fix deadlock occuring when trying to access window.pywebview object right after the
• Fix [CEF] High DPI fix resulting in a small window appearing inside the main window
• Fix [EdgeHTML] Unicode error when loading HTML
• Fix [MSHTML] get_elements failing
• Fix [MSHTML] console.log not writing to Python console in debug mode
• Fix [MSHTML] Forcing MSHTML via gui=mshtml is now possible. ¯\_(ツ)_/¯

Released 17/08/2019

• Fix [All] Prevent JSON like strings being converted to JSON objects when returning JS API calls. #352
• Fix [Windows] HTTP server is now used by default for local URLs and HTML for EdgeHTML. This fixes a PermissionDenied error, when the directory the executable is in is not writable.
• Fix [Tests] Tests now fail on an exception occuring in a thread.

3.0.1

Released 25/07/2019

• Fix [All] Don't escape line breaks in result of js_bridge_call. Thanks @kvasserman.
• Fix [Windows] Support for Pyinstaller noconsole mode
• Fix [Windows] Fix Windows version detection with frozen executables.
• Fix [Windows] Open folder dialog now supports directory argument.
• Fix [QT] Workaround for segmentation fault on closing the main window. Thanks @kvasserman.
• Fix [pytest] Fix for pytest warning about invalid escape sequence

• New [All] New API. The API is not compatible with older versions of pywebview. See https://pywebview.flowrl.com for usage details. #272
• New [All] Built-in HTTP server. #260
• New [All] Autogenerated CSRF token exposed as window.pywebview.token. #316
• New [All] get_elements function to retrieve DOM nodes. #292
• New [All] New event system that lets you to subscribe to events. loaded and shown events are implemented. #201
• New [Windows] EdgeHTML support. Thanks @heavenvolkoff. #243
• Fix [Windows] Fullscreen mode. #338
• Fix [GTK] Better Javascript support for recent version of WebKit2
• Fix [CEF] Support for PyInstaller in onefile mode

• New [All] Support for frameless windows. #169
• Fix [Windows] Fix broken installation of v2.3 #314

• New [All] Ability to resize window after creation webview.set_window_size(width, height). Thanks @aprowe #274
• New [Windows] Chrome Embedded Framework (CEF) support #15
• Improvement [All] pywebview does not interfer with Python's logger configuration #295
• Fix [All] Empty DOM issues when window is created without a URL #285
• Improvement [macOS] Web renderer upgraded to WKWebView
• Improvement [macOS] Add support for Mojave dark mode
• Fix [macOS] Problem with handling paths containing spaces #283
• Fix [QT] Better support for QTWebKit and QTWebChannel #304
• Improvement [QT] Remove support for QT4
• Fix [GTK] Thrown exception not Python 2 compatible #277

• Fix Dependency installation
• New Reintroduce [qt] extra require switch

• New Brand new documentation at https://pywebview.flowrl.com
• Improvement Simplify installation. Now pywebview can be installed by pip install pywebview. Dependencies will be resolved and installed automatically
• Improvement [GTK] Update to WebKit2

• 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.

[QT] Fix a deadlock preventing QT implementation from starting [QT] QT is set to default on QT-based systems

• [Windows] Yet another fix to the pip installation problem

• [Windows] Fix installation through pip

• New [All] Multi-window support
• New [All] Ability to call Python code from Javascript via window.pywebview.api
• New [All] Debug mode. Web inspector for Cocoa/GTK/QT and basic debug information for WinForms.
• New [All] File filter support in create_file_dialog
• New [All] target='_blank' links are now opened in an external browser
• New [All] Change window title via a set_title function #159
• New [All] load_css function
• New [All] Support for relative local URLs in create_window / load_html. Linked local resources are resolved as well. #186
• New [All] todos example app demonstrating js api and relative local URLs.
• New [All] Text select in the webview window is disabled by default. Added text_select argument to create_window function.
• New [QT] OpenBSD 6.x support #213. Thanks @hucste.
• Fix [All] base_uri parameter of load_html defaults to the directory of the entry script
• Fix [All] Consistent return types with evaluate_js across different platforms #175
• Fix [All] Various concurrency issues and deadlocks
• Fix [Winforms] Hide Message from webpage when using alert Javascript function #150
• Fix [Winforms] Support for high DPI #179
• Fix [QT] Support for QT 5.10 #171. Thanks @adbenitez
• Fix [QT] Deprecate QT4. Starting from this verison new features won't be tested on QT4 and support will be removed in the future.

• pywebview has the official logo
• @shivaprsdv is now an official maintainer of the project
• New [All] Add an ability to run Javascript code using evaluate_js function
• Fix [Cocoa] Implement missing webview components (file input dialog, alert()/confirm() JS functions)
• Fix [Winforms] Fix issue with non-responsive UI when a loading screen background color is used
• Fix [Winforms] Add support for Del and Ctrl+A keys in input elements.
• New [QT] QT5 is now prefererred over QT4
• Fix [QT] Fix return parameters of create_file_dialog to have the same format as on other platforms
• Fix [GTK] Better threading model. Thanks to @jorants #121

• New [All] Add a basic test suite and continuous integration. #88
• New [All] Add a background_color parameter to create_window, which specifies the default color of the webview window. Refer to examples/loading_indicator.py for example use. Thanks to @shivaprsdv. #90
• New [Cocoa] Disable backspace navigation. Thanks to @shivaprsdv. #102
• New [Cocoa] Implementation of window.print() and window.confirm method. Thanks to @shivaprsdv. #97
• Fix [Cocoa] Fix non-existing localization string in save file dialog
• New [Winforms] Disable all the shortcut keys of web navigation
• Fix [Winforms] Fix load_html failing sometimes due thread violation
• Fix [GTK] Implement fall-through to QT, when GTK is present, but not GTK.WebKit.

Released 29/03/2017

• New [All] Quit confirmation dialog
• New [All] webview.config can be used using the dot notation (ie. webview.config.use_win32 = True)
• New [Winforms] Disable context menu
• Fix [Winforms] Application icon is now visible in the application window when frozen with PyInstaller
• Fix [Mac] load_html() is invoked as soon as the webview is ready
• Fix [QT] get_current_url() not working due a typo. Thanks @maroc81.
• Fix [GTK] Better exception handling when GTK is not found
• Fix [GTK] destroy_window()