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Application Links Disappeared in Edge Settings
Greetings, I hope that you're doing well. A website that I frequently visit continuously prompts to become the default protocol handler of MAILTO: links. The previous versions of Microsoft Edge provided the option to prevent websites from requesting permission to become default protocol handlers. However, as of Edge Version 138.0.3351.65, this option seems to no longer be available in Edge Settings -> Privacy, search, and services -> Site permissions. Can someone from the Edge Support Team please confirm if this option is available somewhere else? Screenshots are attached. Thanks in advance for your help! Option Available in Previous Version of Edge: Option Not Available in Current Version of Edge:
Version 138.0.3351.83 (Official build) (64-bit) - Unable to Sign in to sync on Ubuntu 24.04 LTS
when trying to signin to my account on Ubuntu 24.04 LTS using Version 138.0.3351.83 (Official build) (64-bit) Correlation Id: 2f0fd7d3-b4a5-47cc-b597-3a60cf3c0938 Timestamp: 2025-07-16T17:40:35.000Z DPTI: 0aef6fed71209806a206ac72836f13cceb3ef7f8b792f0ef344daf2b911cb5fe Message: An unexpected error occurred. Tag: 6amv1 Code: 0
NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED
I'm getting a privacy error attempting to connect to a corporate intranet page. The specific error is NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED I have the domain added to the certificate transparency URL exclusion list as is specified in https://www.chromium.org/administrators/policy-list-3#CertificateTransparencyEnforcementDisabledForUrls which works fine with Google Chrome. However it does not appear that it's working with Edge. I'm using Version 74.1.96.24 (Official build) dev (64-bit).
Please Provide Option to Disable "Ask Copilot" in Address Bar
I use Kagi as my default search engine. Recently, I've noticed that if the search string reaches a certain length, the default search option changes from Kagi to "Ask Copilot." See the image below. This is driving me insane! I don't necessarily mind the "Ask Copilot" feature but having it automatically selected when the search string reaches a certain length is unbearable. Please, at least provide an option to turn this behavior off. This is so annoying that I have had to stop searching from the address bar and navigate to the Kagi website for each search.Theme automatically changes to match Bing NTP image
Starting with the latest Edge Dev build today (139.0.3394.0) if you have your new tab page set to display the Bing wallpaper, the theme will automatically change to select a colour based on the picture without your consent. And if you attempt to reset the theme or change to another one, opening a new tab will just force it to change again. See my video below:ERROR: "Bad Request - Request Too Long" When Signing In To Microsoft 365 Using Work Profiles
When the following conditions are true: Using the latest version of Microsoft Edge browser. When the browser is signed in to any Microsoft 365 account. When browsing to any Microsoft 365 website. I receive the following browser error: Bad Request - Request Too Long HTTP Error 400. The size of the request headers is too long. When I sign in to any Work Profile, no matter the account/tenant, the moment I browse to any Microsoft 365 page i.e. any website that redirects via: https://login.microsoftonline.com/, I receive the error above e.g. https://office.com, https://admin.microsoft.com, https://portal.azure.com etc. If I sign-out from the Work Profile, everything works fine (i.e. I am presented with the usual Microsoft 365 sign-in dialogue for username and password, then 2FA code, then the expected page appears), if I then sign-in > browse > error ... sign-out, works fine, sign-in, error etc. ... consistently repeatable. Using 'Browse as Guest' or any 'Personal' or 'Work Profile' without signing in works fine. TROUBLESHOOTING ALREADY CARRIED OUT Deleted/recreated all profiles. Signed in / out multiple accounts on multiple tenants. Sync options > all, some, none. 'Automatic sign in on Microsoft Edge' enabled & disabled. 'Allow single sign-on for work or school sites using this profile' enabled & disabled. 'Automatic profile switching' all options on & all off. Deleted all cache/cookies, from all time in all profiles. Reset settings in all profiles. Completely uninstalled/reinstalled Microsoft Edge (i.e. Safe Mode > delete all files > all profile data> all temp files > all registry entries). Q1 What could cause this error, only when the Work Profile is signed-in? Q2 Aside from syncing settings, how would signing-in to the Work Profile effect OATH requests to https://login.microsoftonline.com/? Q3 Has anybody experienced this or something like this before? Q4 Are there any troubleshooting steps I haven't tried?
