Microsoft Edge Dev 84.0.516.1 Released with Media Casting Feature

Microsoft Edge Dev 84.0.516.1 is rolled out with Media Casting Feature, Reliability improvements, and behavior changes.

Microsoft Edge Dev  84.0.516.1

Microsoft Edge Dev channel 84.0.516.1 arrives today.  The release brings multiple features such as media casting, support for quieter notifications, and serial ports. Additionally, the browser comes up with reliability improvements and some known issues.

You can go to Alt+F > Help & feedback > About Microsoft Edge to update to Dev 84.0.516.1. Once you

Microsoft Edge Dev 84.0.516.1 Released with Media Casting Feature

Here is Microsoft Edge Dev 84.0.516.1 changelog –


  • Added UI to help enable media casting if users attempt to use it while it’s disabled.  Note that casting is currently only supported via ChromeCast devices.
  • Added support for quieter notifications in edge://settings/content/notifications.
  • Improved the UI when picking a certificate to use for website authentication.
  • Added a Website Permissions Settings page for when a website wants to access serial ports.

Reliability improvement

  • Microsoft Edge Dev 84.0.516.1 Fixed a crash when typing in the address bar.
  • Fixed a crash when closing the browser.
  • Fixed an issue where opening an Application Guard window sometimes crashes the browser.
  • Fixed an issue where IE mode doesn’t work or tries to launch IE as its own window instead of inside an Edge tab.
  • Fixed an issue where running Edge’s installer for the same version that’s currently installed while the browser is open corrupts the installation.
  • Fixed an issue where favorites sometimes aren’t synced.
  • Improved the reliability of the account picture appearing properly next to the … menu for work and school accounts, especially after changing it.

Behavior Change

  • Microsoft Edge Dev 84.0.516.1 Changed Shy UI to only invoke when the mouse is at the very top of the screen instead of just near it.
  • Fixed an issue where the Immersive Reader toolbar sometimes is blank.
  • Fixed an issue where the deletion of certain browsing data like passwords sometimes isn’t synced to other devices until Edge is restarted.
  • Fixed an issue where the Passwords Settings page is blank on Mac.
  • Changed password autofill behavior to no longer autofill passwords if there are multiple possible passwords.  Instead, the correct password must be selected.
  • Fixed an issue where passwords can’t be copied out of Settings once they’ve been shown.
  • Fixed an issue where clicking in the empty space of the Downloads management page scrolls it back to the top.
  • Fixed an issue where clicking in the empty space of the History or Favorites management pages scrolls them back to the top.
  • Fixed an issue where Spellcheck sometimes flags all words as misspelled when they’re written in a language that’s different than the underlying OS language.
  • Improved detection of prices in foreign currencies when adding items to a Collection.
  • Fixed an issue where pasting content from a Collections text note with a colored background doesn’t preserve the background color wherever it’s pasted.
  • Improved error messaging when browser sign-in fails.

Microsoft Edge Dev 84.0.516.1 Known issues

  • Tabs sometimes appear squished or too small, even when there are only a few of them.  This is most often caused by clicking a link in a different program that opens a new tab in Edge, and can usually be fixed by changing the size of the tab band, for example by resizing the window.
  • Users of the Kaspersky Internet Suite who have the associated extension installed may sometimes see webpages like Gmail fail to load.  This failure is due to the main Kaspersky software being out of date, and is thus fixed by making sure the latest version is installed.
  • Some users are seeing favorites get duplicated after we made some previous fixes in that area. The most common way this is triggered is by installing the Stable channel of Edge and then signing into it with an account that has already signed into Edge before.  Fixing this should be easier now that the deduplicator tool is available.  However, we’ve also seen duplication happen when running the deduplicator on multiple machines before either machine has a chance to fully sync its changes, so while we wait for some of the fixes we’ve made to come to Stable, make sure to leave plenty of time in between runs of the deduplicator.  We hope that this will be improved now that version 81 is released to Stable.
  • After an initial fix for it recently, some users are still experiencing Edge windows becoming all black.  Opening the Browser Task Manager (keyboard shortcut is shift + esc) and killing the GPU process usually fixes it.  Note that this only appears to affect users with certain hardware and is most easily triggered by resizing an Edge window.
  • Some users are seeing “wobbling” behavior when scrolling using trackpad gestures or touchscreens, where scrolling in one dimension also causes the page to subtly scroll back and forth in the other.  Note that this only affects certain websites and seems to be worse on certain devices.  This is most likely related to our ongoing work to bring scrolling back to parity with Edge Legacy’s behavior, so if this behavior is undesirable, you can temporarily turn it off by disabling the edge://flags/#edge-experimental-scrolling flag.
  • There are some issues where users with multiple audio output devices sometimes don’t get any sound from Edge. In one case, Edge becomes muted in the Windows Volume Mixer and unmuting it fixes it.  In another, restarting the Microsoft Edge Dev 84.0.516.1 fixes it.

Source – Techcommunity.

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About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.