This list of sources is roughly in order of stability and supportability- earlier choices change less often (and with more notice) than options I listed later. This hides certain system UI elements and forces the app to be installed if it hasn't been already. Designed to be used for testing purposes only. Normally when the user attempts to navigate to a page that was the result of a post we prompt to make sure they want to. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Ids prefixed with the character "t" will be treated as Trigger Variation Ids. For the features' level, see http://dev.chromium.org/blink/runtime-enabled-features. The output will go to the value of kProfilingFile. This overrides the preferences value. AddExtensions ( "/path/to/extension.crx" ); var driver = new EdgeDriver ( options ); Set the value to '1' to enable the behavior where pages slide in and out in response to the horizontal overscroll gesture and a screenshot of the target page is shown. Sep 3, 2021 Microsoft Edge This article lists some command-line flags I used to troubleshoot Edge/Chrome issues. Specifies the maximum SSL/TLS version ("tls1", "tls1.1", "tls1.2", or "tls1.3"). This makes us disable some web-platform runtime features so that we test content_shell as if it was a stable release. Causes the browser process to crash on startup. Simulates a critical update being available. Disables GPU hardware acceleration. Sets the maximum size of the in-memory gpu program cache, in kb. - u8it Sep 27, 2017 at 17:00 1 The file: scheme is not supported! Visualize overdraw by color-coding elements based on if they have other elements drawn underneath. 1 View app command lines. --trace-shutdown-file can be used to control where the trace log gets stored to since there is otherwise no way to access the result. Whether the resize lock is disabled. TODO(tommi): Remove this switch when crbug.com/555577 is fixed. Run the GPU process as a thread in the browser process. Defines the speed of Material Design visual feedback animations. Any other value will lead to Chrome detecting the best backend automatically. This can be used with the standalone mojo_runner to override executable and package resolution behavior. Capabilities are options that you can use to customize and configure an EdgeDriver session. Minimum number of available frames for scheduling a transfer. To work around this, start Chromium with the --disable-sync-preferences switch: $ chromium . This flag causes sync to retry very quickly (see polling_constants.h) the when it encounters an error, as the first step towards exponential backoff. - http://www.chromium.org/developers/design-documents/site-isolation Enables Physical Web scanning for nearby URLs. Lists separated by commas the name of features to disable. This may allow slow unload handlers on a page to prevent the tab from closing, but the Task Manager can be used to terminate the offending process in this case. Force all rasterization and compositing to be done in linear color space, with physically correct blending and interpolation. Shows a Google icon next to context menu items powered by Google services. Override os version from GpuControlList::MakeDecision. Keeps only track of summarized churn stats in the task profiler (chrome://profiler). edge://about-- Same as edge://edge-urls/; edge://accessibility-- Inspect the representation of accessibility in Edge and modify accessibility modes. Although Microsoft restricts the UI options to uninstall new Microsoft Edge, we can use command-line switch of Setup.exe installer to uninstall new Microsoft Edge from our computer system. I noticed that when startup boost is enabled, it's not longer possible to invoke Edge using the typical Chromium command line switches that can be appended to, e.g., the taskbar icon in order to run Edge/Chromium with certain parameters, or from cmd. This only shows an error box because the only way to hide Chrome is by uninstalling it. Enables SwapBuffersWithBounds if it is supported. Enable the fast unload controller, which speeds up tab/window close by running a tab's onunload js handler independently of the GUI - crbug.com/142458 . Not for user use. TODO(xiyuan): Remove this when app could be bundled with Chrome. Enables a frame context menu item that toggles the frame in and out of glass mode (Windows Vista and up only). Allows explicitly specifying MSE audio/video buffer sizes. Disable the toolkit-views App Info dialog for Mac. - this disables automatically saving the result to a file and the first manually recorded trace will then receive all events since startup. Disables crash throttling for Portable Native Client. Signals ARC support status on this device. Value of GAIA auth code for --force-app-mode. Useful if an experiment makes chrome crash at startup: One can start chrome with --no-experiments, disable the problematic lab at about:flags and then restart chrome without this switch again. Allows third-party content included on a page to prompt for a HTTP basic auth username/password pair. Disable partially decoding jpeg images using the GPU. Enables demuxing of vp9 in mp4. Disables Office Editing for Docs, Sheets & Slides component app so handlers won't be registered, making it possible to install another version for testing. Enable package hash check: the .crx file sha256 hash sum should be equal to the one received from update manifest. Annotates forms with Autofill field type predictions. This is only supported in Windows 7 and above. The allowed values are: "" (empty), |kEnableDefaultMediaSessionDuckFlash|. This will only work if chrome has been built with the gyp variable profiling=1. Treat given (insecure) origins as secure origins. Enables docking windows to the right or left (not to be confused with snapped windows). Enables the origin of the carrier test data reduction proxy. Enables interaction with virtual reality devices. If set, the app list will not be dismissed when it loses focus. Enable one or more Blink runtime-enabled features. Allows hosted apps to be opened in windows on Mac. Create an instance of EdgeOptions, which provides convenience methods to set Microsoft Edge-specific capabilities. Mutes audio sent to the audio device so it is not audible during automated testing. Specifies the chrome-extension:// URL for the contents of an additional page added to the app launcher. The memory pressure threshold selection which is used to decide whether and when a memory pressure event needs to get fired. Optional value for Data Saver prompt on cellular networks. Exposes the window.internals object to JavaScript for interactive development and debugging of layout tests that rely on it. Should be "character" or "direction". For examples, see the, An address of a Windows Device Portal server to connect to, in the form of. This does not delete existing autorun registrations, it just prevents the service from registering a new one. - http://www.chromium.org/developers/design-documents/process-models Use the Microsoft Edge setup guide to automate Configuration Manager steps. See kEnableSlimmingPaintInvalidation. Flag to enable or disable notification changes while the message center opens. Enables the observation of accelerometer events to enter touch-view mode. <<path to edge>> http://bing.com<<path to edge>> http://stackoverflow.com This would result in two edge windows being opened. Enables support for inband text tracks in media content. Compress tile textures for GPUs supporting it. Launch Edge (Chromium) in Kiosk Mode from Command Prompt; . If a report indicates the buffer usage is 100%, a warning is issued. Allows debugging of sandboxed processes (see zygote_main_linux.cc). Enables Origin header in Stun messages for WebRTC. Disables specified comma separated GL Extensions if found. Disable latest shipping ECMAScript 6 features. The version should be numbers separated by '. We do NOT want edge to open any new tab's, ever. Specifies the file name for --trace-to-file. Specifies the testcase used by the IPC fuzzer. Disables bypass proxy for captive portal authorization. - none: ARC is not installed on this device. /prefetch:# argument shared by all process types that don't have their own. Disables the use of DirectComposition to draw to the screen. Forces uses of the desktop version of Chrome. It will attempt to trace each navigation for 10s, until the buffer is full, or until the next navigation. Instead, child processes will be forked and exec'd directly. Enables the exporting of the tracing events to ETW. TODO(dalecurtis): Remove once experiments for http://crbug.com/470940 finish. The input file is converted to suit Chrome's audio buses if necessary, so most sane .wav files should work. Sets options for MHTML generator to skip no-store resources: "skip-nostore-main" - fails to save a page if main frame is 'no-store' "skip-nostore-all" - also skips no-store subresources. They allow you to run Chrome with special options that can help you troubleshoot or enable particular features or modify otherwise . This post list some useful command-line arguments or switches. The contents of this flag are prepended to the renderer command line. Useful for testing. Always use the complex text path for layout tests. - The class comment in site_instance.h, listing the supported process models. Indicates that the system is running in dev mode. Override the default minimum starting volume of the Automatic Gain Control algorithm in WebRTC used with audio tracks from getUserMedia. Disables panel fitting (used for mirror mode). This argument is used to launch a browser with disabled third-party extensions. Enables PrintBrowser mode, in which everything renders as though printed. See kEnableScriptsRequireAction. See crbug.com/394380 for details. Defines that Material Design visual feedback animations should be fast. Specify ozone platform implementation to use. The constant ENABLE_WAYLAND_SERVER must be defined. Defaults to "application/pdf" if unspecified. Blocks insecure usage of a number of powerful features (device orientation, for example) that we haven't yet deprecated for the web at large. Disable the support for WebContents to lock the screen orientation. Only auto-reload error pages when the tab is visible. The Alsa device to use when opening an audio input stream. Be sure to use --no-sandbox as well or the sandbox won't allow the dialog to display. If, List of command-line arguments that WebView2 will pass to the browser process on launch. Large wallpaper to use in guest mode (as path to trusted, non-user-writable JPEG file). Enables new profile management system, including lock mode. This applies only when the process type is "service". Disable rasterizer that writes directly to GPU memory associated with tiles. DEPRECATED: Please use --arc-availability=installed. Causes Chrome to launch without opening any windows by default. Applies the material design mode passed via --top-chrome-md to elements throughout Chrome (not just top Chrome). Values are case sensitive and based on Shill names in service_constants.h. Enables extensions to hide bookmarks UI elements. IMPORTANT: this isn't to be confused with --process-per-site (which is about process consolidation, not isolation). Frequency in Milliseconds for system log uploads. Do not use the mojo UI Service in the Chrome render process. Changes the behavior of the "default" color space conversion mode in createImageBitmap. Enables Non-SFI mode, in which programs can be run without NaCl's SFI sandbox. The constant CHROMIUM_BUILD must be defined. This switch is intended only for tests. Small wallpaper to use in guest mode (as path to trusted, non-user-writable JPEG file). Skips reencoding bitmaps as PNGs when the encoded data is unavailable during SKP capture. Specifies the minimum SSL/TLS version ("tls1", "tls1.1", "tls1.2", or "tls1.3"). Indicates whether Chrome should be set as the default browser during installation. Enable the aggressive flushing of DOM Storage to minimize data loss. Since Microsoft Edge is now based on Chromium, these switches should work there too. Sets the granularity of events to capture in the network log. Allows the browser to load extensions that lack a modern manifest when that would otherwise be forbidden. It only works if a URL was provided by --trace-upload-url. Bitmask - 0x1=Microsoft, 0x2=AMD, 0x03=Try all. Useful values might be "valgrind" or "xterm -e gdb --args". Can make boot slightly slower, but also hides an even-longer awkward period where we display a white background if the login wallpaper takes a long time to load. Enables custom-drawing the titlebar and tabstrip background so that it's not a garish #FFFFFF like it is by default on Windows 10. Provided as string in the format "800,600". SVG font should always work whether this option is specified or not. Passes gpu vendor_id from browser process to GPU process. This flag significantly shortens the delay between nudge cycles. The colors are hinting at the amount of overdraw on your screen for each pixel, as follows: True color: No overdraw. Causes the omnibox dropdown to emphasize the titles of URL suggestions for query-like inputs. Some platforms like ChromeOS default to empty desktop. This is only supported on Windows Vista and later. Since Edge is based on Chromium, you can use most of Chromium's startup parameters . Dumps IPC messages sent from renderer processes to the browser process to the given directory. Apr 04 2022 05:28 AM. Argument to the process type that indicates a PPAPI broker process type. A string used to override the default user agent with a custom one. - Cellular is initially connected 'cellular=LTE' Options: 1. Type of the current test harness ("browser" or "ui"). - Wifi networks are all initially disconnected ('0' also works) 'wifi=disabled' Convert rasterization and compositing inputs to the output color space before operating on them. Specifies comma-separated list of extension ids or hosts to grant access to TCP/UDP socket APIs. Tells Content Shell that it's running as a content_browsertest. The update url used by gallery/webstore extensions. Specifies a comma-separated list of extension ids that should be forced to be treated as not from the webstore when doing install verification. This is only used on Windows. Instructs headless_shell to cause network fetches to complete in order of creation. Specify that all compositor resources should be backed by GPU memory buffers. Enables testing features of the Plugin Placeholder. This binding happens on per-frame basis and hence can potentially be a performance bottleneck. The same as the --class argument in X applications. Types should be comma separated, and follow the naming convention for string representation of model types, e.g. Sets a secure proxy check URL to test before committing to using the Data Reduction Proxy. This switch is used during automated testing. Causes the process to run as a utility subprocess. Optional user name to use when connecting to a Windows Device Portal server. Examines a .crx for validity and prints the result. Enables Alternate-Protocol when the port is user controlled (> 1024). Enables the QUIC protocol. Override the default value for the 'passive' field in javascript addEventListener calls. Low res tiles may be displayed during fast scrolls especially on slower devices. When switches::kProcessType is switches::kRelauncherProcess, if this switch is also present, the relauncher process will unmount and eject a mounted disk image and move its disk image file to the trash. Hashes are in hex. Enables H264 HW decode acceleration for WebRtc on Win 7. Enables the Material Design policy page at chrome://md-policy. Enables suggestions while typing on a physical keyboard. Use hardware gpu, if available, for tests. This is a temporary testing flag. : --disable-synctypes='Typed URLs, Bookmarks, Autofill Profiles'. Specify the initial window position: --window-position=x,y. Used for testing. (Most) Chrome OS hardware reports ACPI power button releases correctly. Disable the Legacy Window which corresponds to the size of the WebContents. Classic, non-material, mode for the |kTopChromeMD| switch. Skip First Run tasks, whether or not it's actually the First Run. Edge cmd line flags for launching in app mode Hi, Looking around the web there's no definitive resource showing command line switches available to edge. Enable or disable appcontainer/lowbox for renderer on Win8+ platforms. Values are defined as: 'documentonlytrue' to set the default be true only for document level nodes. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. When blink should declare a load "done" for the purpose of the progress bar. This article only lists capabilities specific to Microsoft Edge. The XMPP endpoint the cloud print service will use. To see a list of all the available shortcuts in Microsoft Edge, see Keyboard shortcuts in Microsoft Edge. IMPORTANT: This isn't to be confused with --site-per-process (which is about isolation, not consolidation). For the time being, enabling both TLS/1.3 and TLS/1.2 is a best practice for servers. See FieldTrialList::CreateTrialsFromString() in field_trial.h for details. Disables sending the next BeginMainFrame before the previous commit activates. We need to know where Chrome is located on the disk drive and we could search for it in Explorer, but there is a simple method. Useful values might be "valgrind" or "xterm -e gdb --args". Turn off user-defined name hashing in shaders. Here are the examples of the most commonly used command line arguments for the Google Chrome browser. Resizes of the main frame are caused by changing between landscape and portrait mode (i.e. Handle to the shared memory segment containing field trial state that is to be shared between processes. Try to enable drm atomic. Only available with XInput 2 (i.e. Enable keyboard shortcuts used by developers only. Time in seconds before a derelict machines starts demo mode. Sets a URL to fetch to warm up the data reduction proxy on startup and network changes. Disables VA-API accelerated video encode. Disable the creation of compositing layers when it would prevent LCD text. Uses the android SkFontManager on linux. See base/win/memory_pressure_monitor.cc for defaults. Whether to force developer mode extensions highlighting. Specifies an alternate URL to use for speaking to Google. After you configure the EdgeOptions object, pass EdgeOptions into the EdgeDriver constructor. Sets the supervised user ID for any loaded or newly created profile to the given value. The enum value of FontRenderParams::subpixel_rendering to be passed to Ppapi processes. It is intended to be used by developers who wish to test that their sites otherwise meet the criteria needed to show app banners. Disables use of DWM composition for top level windows. To predominantly disable tracking (profiling), use the command line switch: --enable-profiling=0 Some tracking will still take place at startup, but it will be turned off during chrome_browser_main. 'true' to set the default to be true on all nodes (when not specified). It is useful to tell the difference for tracking purposes. You can browse the web in Microsoft Edge in normal mode with different profiles, InPrivate browsing mode, and Guest mode. This flag expects a value. Example: --trace-startup --trace-startup-file=/tmp/trace_event.log As a special case, can be set to 'none' This flag is required to allow Chrome to run in RemoteApps or Citrix. --disable-accelerated-video. Optional PEM private key to use in signing packaged .crx. Enables sharing assets for installed default apps. Disable hiding the close buttons of inactive tabs when the tabstrip is in stacked mode. Disables the window backdrops normally used in maximize mode (TouchView). Create the application You'll create the application using a Configuration Manager wizard. Describes the file descriptors passed to the child process. - Wifi is unavailable 'wifi=portal' Allows non-https URL for background_page for hosted apps. Once all network fetches have completed, timers fire and if the system runs out of virtual time is fastforwarded so the next timer fires immediatley, until the specified virtual time budget is exhausted. Pass a set of GpuDriverBugWorkaroundType ids, seperated by ','. Enables grouping websites by domain and filtering them by period. - installed-only-kiosk-supported: ARC is installed, but officially supported only in kiosk mode. An optional dictionary that can be used to configure the WebView2 environment when launching a WebView2 app. Disable the thread that crashes the GPU process if it stops responding to messages. Note that for WebRTC calls we'll treat the bits as if they came from the microphone, which means you should disable audio processing (lest your audio file will play back distorted). A list of whitelists to install for a supervised user, for testing. Of the form language[-country] where language is the 2 letter code from ISO-639. Passes gpu device_id from browser process to GPU process. On the Transform menu, select New Transform. Name of the command line flag to force content verification to be on in one of various modes. When using CPU rasterizing disable low resolution tiling. Specifies the user which is already logged in. Request the render trees of pages to be dumped as text once they have finished loading. This works only with drm platform. The preferences are only applied to the user profile in use. Only valid for the browser process. This will open the hidden C:\Users\ <username> \AppData\Local\Microsoft folder for the current user. Ask the GLX driver for the default context instead of trying to get the highest version possible. web content) on Aura or Linux. Specifies the maximum number of threads to use for running the Proxy Autoconfig (PAC) script. This flag causes the user engagement checks for showing app banners to be bypassed. Note that this flag will not have any effect if MP4 demuxing is not enabled in the build. Prevents Chrome from requiring authorization to run certain widely installed but less commonly used plugins. 2. Optionally, can specify the specific trace categories to include (e.g. The telephony region (ISO country code) to use in phone number detection. Causes the process to run as a watcher process. Screenshot testing: specifies the directory where the golden screenshots are stored. Custom WebAPK server URL for the sake of testing. Texture target for CHROMIUM_image backed video frame textures. There are chances that some switches are unique to Edge, and others to Chrome. Size for the content_shell's host window (i.e. Specifies power stub behavior: 'cycle=2' - Cycles power states every 2 seconds. last-launched-app should be the app that just launched and is spawning the renderer. We bundle the handler into chrome.exe on Windows because there is high probability of a "new" .exe being blocked or interfered with by application firewalls, AV software, etc. Comma-separated options to troubleshoot the component updater. Specifies the URL at which to fetch configuration policy from the device management backend. rasterize on the CPU only. Size for the host window to create (i.e. Disables the use of a zygote process for forking child processes. After opening the command line window, use the " start msedge " command to open the . Used to pass initial screen resolution to GPU process. Click on Accounts. This can take one of the following three values. Disable OpenGL ES 3 APIs. The memory pressure thresholds selection which is used to decide whether and when a memory pressure event needs to get fired. Path to a folder containing a fixed version WebView2 runtime to use. Signals the availability of the ARC instance on this device. used to enable safebrowsing functionality in webview. (Used by people testing their sites.). Enables the recording of metrics reports but disables reporting. Specifies comma-separated list of extension ids or hosts to grant access to CRX file system APIs. Enables using screenshots in tests and seets mode. The argument to this switch is the handle id (pointer on Windows) as a string, followed by a comma, then the size of the shared memory segment as a string. For determinism virtual time does not advance while there are pending network fetches (i.e no timers will fire). Default: parallel. Contains a list of feature names for which origin trial experiments should be disabled. To set up Microsoft Edge in kiosk mode on Windows 10, use these steps: Open Settings. Type "Services.msc" without quotes and press Enter.Find Windows Installer and double click on it.Set the startup type of windows installer to manual.Click Start to Start Services and click OK. @SanderVR. If omitted a default of 5 seconds is used. Used for turning on Breakpad crash reporting in a debug environment where crash reporting is typically compiled but disabled. If not specified, it defaults to "10.2.999.999". - officially-supported-with-active-directory: ARC is supported and also allowed to use with Active Directory management. Enables animated transitions during first-run tutorial. How often (in seconds) to check for updates. TODO(gab): Get rid of this switch entirely. Disables suggestions while typing on a physical keyboard. Make the values returned to window.performance.memory more granular and more up to date in shared worker. Open the downloaded Edge for Business MSI file, MicrosoftEdgeEnterpriseX64.msi. Disables showing the search geolocation disclosure UI. Shows additional checkboxes in Settings to enable Chrome OS accessibility features that haven't launched yet. Handles frame scrolls via the root RenderLayer instead of the FrameView. With this the GL output will not be correct but tests will run faster. See FakeShillManagerClient::SetInitialNetworkState for implementation. Enables the zero-touch enterprise enrollment flow. This is useful for tests because it means that tests don't have to mock out the policy infrastructure. Runs a read-eval-print loop that allows the user to evaluate Javascript expressions. Update: For Microsoft Edge Version 91..864.67 on Window 21H1 (OS Build 19043.1083) (as tested) you can use: start msedge.exe www.stackoverflow.com -inprivate or, from a PowerShell prompt: Start-Process msedge.exe -ArgumentList "-inprivate" Share We can select from the options below: beginframe: Next frame can start without any delay on cc::scheduler in renderer compositors. Enables the string change from "Save Image" to "Download Image".
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