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I installed Firefox on a Macbook Pro with Apple Silicon, M3. The installation was from the Firefox site, I downloaded the dmg and then dragged into Applications.

I find that playback of media stutters, and is choppy--not sure of a better way to explain it. E.g., YouTube videos and the Bandcamp player have "stuttered sound". Opening another site in another tab can make this effect worse. Likewise, trying to run Google Meet in a browser window causes basically everything on the computer to become very slow.

This still happens even if I go to "about:profiles" and then "restart with add-ons disabled".

But if I switch to another browser, Safari or Chrome, then I don't have the issue. e.g. I can play YouTube in the background fine even when running some compute intensive task.

I have also tried turning on/off "performance settings" and the "use hardware acceleration" checkbox underneath it -- neither of those seem to have any effect.

Activity Monitor showed that at most Firefox was using ~4 GB of memory of a total 48 GB, and the memory pressure indicator seems to be quite low.

I have run Firefox on other systems (e.g. System76, older Macbook Pro) with multiple windows open each having 20-30 tabs and never had an issue like this.

It really seems like it has something to do with how Firefox is interacting with the M3? Happy to learn I'm wrong. And happy to provide more details about the hardware or my settings if it would help.

Hi Firefox team

I am Yuki belong to Electronic company IT department. We have a project to implement salesforce for customer facing and target to go live by end of this July. we are facing one issue related with firefox and salesforce.

<issue detail> Our salesforce have customized serach founctions. this search function doesn't work only in firefox browser(Edge, Chorme is ok). we can send input data from salesforce to search, however search result doesn't appear.

<current situation> we were investigating this issue with salesforce. we found this article : https://developer.salesforce.com/docs/platform/lwc/guide/security-lwsec-async.html >When LWS is enabled, JavaScript async functions that are used from a static resource work in Chromium-based browsers, but don't work in Firefox currently. The issue is a bug in Firefox.

<requet to firefox team> Would you solve above bug?

if yes, I would like to know the timeline
if no, I would like to know the reason why you don't solve.

<reference info related with LWS of salesforce> https://developer.salesforce.com/docs/atlas.en-us.exp_cloud_lwr.meta/exp_cloud_lwr/template_differences_locker.htm https://developer.salesforce.com/docs/atlas.en-us.exp_cloud_lwr.meta/exp_cloud_lwr/template_differences_locker.htm

Firefox was crashing regularly in my PC desktop. I have updated from win 10 to11 recently then only i am seeing firefox browser crashes daily. I am using browser version 127.0.2 (64-bit). Below is dump file.

My PC specs: 13900k RTX 4090 Gskill 32gb 7200mhz Windows 11

IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high. This is usually caused by drivers using improper addresses. If a kernel debugger is available get the stack backtrace. Arguments: Arg1: 00001af03747b2f3, memory referenced Arg2: 0000000000000002, IRQL Arg3: 0000000000000000, bitfield : bit 0 : value 0 = read operation, 1 = write operation bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status) Arg4: fffff80366b09eb0, address which referenced memory

Debugging Details:

• • • WARNING: Check Image - Checksum mismatch - Dump: 0x210d9b, File: 0x210ec3 - C:\ProgramData\Dbg\sym\BTHport.sys\FE108757203000\BTHport.sys

KEY_VALUES_STRING: 1

   Key  : Analysis.CPU.mSec
   Value: 1000

   Key  : Analysis.Elapsed.mSec
   Value: 2732

   Key  : Analysis.IO.Other.Mb
   Value: 0

   Key  : Analysis.IO.Read.Mb
   Value: 0

   Key  : Analysis.IO.Write.Mb
   Value: 0

   Key  : Analysis.Init.CPU.mSec
   Value: 78

   Key  : Analysis.Init.Elapsed.mSec
   Value: 2596

   Key  : Analysis.Memory.CommitPeak.Mb
   Value: 150

   Key  : Bugcheck.Code.LegacyAPI
   Value: 0xa

   Key  : Bugcheck.Code.TargetModel
   Value: 0xa

   Key  : Failure.Bucket
   Value: AV_nt!MiGetPageProtection

   Key  : Failure.Hash
   Value: {41372a35-237d-1281-82f6-8f5f9bf6044a}

   Key  : WER.OS.Branch
   Value: ni_release

   Key  : WER.OS.Version
   Value: 10.0.22621.1

BUGCHECK_CODE: a

BUGCHECK_P1: 1af03747b2f3

BUGCHECK_P2: 2

BUGCHECK_P3: 0

BUGCHECK_P4: fffff80366b09eb0

FILE_IN_CAB: 070224-10625-01.dmp

READ_ADDRESS: fffff8036751c4a8: Unable to get MiVisibleState Unable to get NonPagedPoolStart Unable to get NonPagedPoolEnd Unable to get PagedPoolStart Unable to get PagedPoolEnd unable to get nt!MmSpecialPagesInUse

00001af03747b2f3 

BLACKBOXBSD: 1 (!blackboxbsd)

BLACKBOXNTFS: 1 (!blackboxntfs)

BLACKBOXPNP: 1 (!blackboxpnp)

BLACKBOXWINLOGON: 1

CUSTOMER_CRASH_COUNT: 1

PROCESS_NAME: firefox.exe

TRAP_FRAME: ffffd0889d0df2f0 -- (.trap 0xffffd0889d0df2f0) NOTE: The trap frame does not contain all registers. Some register values may be zeroed or incorrect. rax=0000000000000000 rbx=0000000000000000 rcx=ffff93c9e4f277f8 rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000 rip=fffff80366b09eb0 rsp=ffffd0889d0df480 rbp=ffffd0889d0df518

r8=ffff93c9e4f27000  r9=0000000000000020 r10=ffff93c9e4f27000

r11=ffff93c9e4f277f8 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 iopl=0 nv up ei pl zr na po nc nt!MiGetPageProtection+0x140: fffff803`66b09eb0 478b44fc10 mov r8d,dword ptr [r12+r15*8+10h] ds:00000000`00000010=???????? Resetting default scope

STACK_TEXT: ffffd088`9d0df1a8 fffff803`66c2e269  : 00000000`0000000a 00001af0`3747b2f3 00000000`00000002 00000000`00000000 : nt!KeBugCheckEx ffffd088`9d0df1b0 fffff803`66c29705  : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiBugCheckDispatch+0x69 ffffd088`9d0df2f0 fffff803`66b09eb0  : 00000000`00000000 ffff93c9`e4efff48 ffff93c9`dffe9e58 ffff838d`59321140 : nt!KiPageFault+0x485 ffffd088`9d0df480 fffff803`66b0923d  : 00000000`00000000 00000000`00100800 ffff93bf`fd3cb538 ffffd088`9d0df5e0 : nt!MiGetPageProtection+0x140 ffffd088`9d0df4e0 fffff803`66b0b2fb  : ffff838d`7b6c5740 ffffd088`9d0df778 00000000`00000007 00000087`54647c50 : nt!MiQueryAddressState+0x2ed ffffd088`9d0df700 fffff803`66f86aaf  : ffffd088`00000000 00007ffa`7936c000 00000007`ffa70000 ffff838d`77e2d500 : nt!MiQueryAddressSpan+0x24b ffffd088`9d0df7c0 fffff803`66f86355  : ffff93c9`dffe9e48 ffff93c9`e4efff48 ffff93c9`e4f277f8 ffff838d`7b6c5740 : nt!MmQueryVirtualMemory+0x73f ffffd088`9d0df960 fffff803`66c2d935  : 00000000`00000000 00000000`00000000 00000000`00000000 000001e8`d96b1000 : nt!NtQueryVirtualMemory+0x25 ffffd088`9d0df9b0 00007ffb`1886f7c4  : 00007ffb`161c2730 0000fdde`97f8b1fb 000001e8`dfa400f0 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x25 00000087`54646bc8 00007ffb`161c2730  : 0000fdde`97f8b1fb 000001e8`dfa400f0 00000000`00000000 00000000`20000001 : 0x00007ffb`1886f7c4 00000087`54646bd0 0000fdde`97f8b1fb  : 000001e8`dfa400f0 00000000`00000000 00000000`20000001 00000000`00000030 : 0x00007ffb`161c2730 00000087`54646bd8 000001e8`dfa400f0  : 00000000`00000000 00000000`20000001 00000000`00000030 00000087`54646c00 : 0x0000fdde`97f8b1fb 00000087`54646be0 00000000`00000000  : 00000000`20000001 00000000`00000030 00000087`54646c00 00000087`54648258 : 0x000001e8`dfa400f0

SYMBOL_NAME: nt!MiGetPageProtection+140

MODULE_NAME: nt

IMAGE_VERSION: 10.0.22621.3447

STACK_COMMAND: .cxr; .ecxr ; kb

IMAGE_NAME: ntkrnlmp.exe

BUCKET_ID_FUNC_OFFSET: 140

FAILURE_BUCKET_ID: AV_nt!MiGetPageProtection

OS_VERSION: 10.0.22621.1

BUILDLAB_STR: ni_release

OSPLATFORM_TYPE: x64

OSNAME: Windows 10

FAILURE_ID_HASH: {41372a35-237d-1281-82f6-8f5f9bf6044a}

Followup: MachineOwner

Below error was copied from eventviewer:

Faulting application name: firefox.exe, version: 127.0.2.8941, time stamp: 0x6679d728 Faulting module name: ntdll.dll, version: 10.0.22621.3374, time stamp: 0xeae8eecc Exception code: 0xc0000005 Fault offset: 0x0000000000021120 Faulting process id: 0x0x3EF4 Faulting application start time: 0x0x1DACAAC47A50F62 Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll Report Id: a0cb4aaf-1995-45b2-9fb4-51b0a84fba90 Faulting package full name: Faulting package-relative application ID

i cant find panel and scroll down to the Forms and Autofill section. and i want to delete the auto fill emails i get popped up when i want to type an email anywhere please help

Hi there,

Earlier today I had to do a complete software reset on my MacBook Pro (running Sonoma 14.5). Prior to the reset, I had been running the newest version of Firefox and was signed in; I assumed that Sync was on and that it was storing my passwords and bookmarks.

After the system reset, I re-installed Firefox and signed in again, but none of my passwords or bookmarks are showing up. However, under connected services, I still see the old (pre-reset) name of my MacBook Pro, in addition to the MacBook Pro's current name.

Is it possible to retrieve my pre-reset passwords and bookmarks?

Firefox keeps going off for from 5 seconds to about 20 seconds. It happens several times a minute. The screen goes blank and I can’t click on anything. Really aggravating. I would appreciate any help. Thanks

I have noticed in the help section that all sync data is removed if password is reset. I have just lost all my passwords, bookmarks, settings, everything, because I had to format my computer and didn't memorize my firefox password.

Is there any chance at all to have my data restored regardless? I understand I am at fault, but this outreach is my last hope, I guess.

Hello, i want to know if i can use dark mode in the main web sites of mozilla, like support page or account page, becase it hurts my eyes when i want to switch from other sites where i at least can use some extension to fix it but all mozilla pages always bright white. What i have to do? Thanks

I have saved a lot of shortcuts bookmark on my homepage,yesterday when i opened my firefox,it was all gone and it went back to default homepage. what do i do to recover it.

What is this??? Information Your browser is being managed by your organization. about:policies#documentation

Documentation Policy Name 3rdparty Set policies that WebExtensions can access via chrome.storage.managed. AllowedDomainsForApps Define domains allowed to access Google Workspace. AllowFileSelectionDialogs Allow file selection dialogs. AppAutoUpdate Enable or disable automatic application update. AppUpdatePin Prevent Firefox from being updated beyond the specified version. AppUpdateURL Set custom app update URL. Authentication Configure integrated authentication for websites that support it. AutofillAddressEnabled Enable autofill for addresses. AutofillCreditCardEnabled Enable autofill for payment methods. AutoLaunchProtocolsFromOrigins Define a list of external protocols that can be used from listed origins without prompting the user. BackgroundAppUpdate Enable or disable the background updater. BlockAboutAddons Block access to the Add-ons Manager (about:addons). type: boolean BlockAboutConfig Block access to the about:config page. BlockAboutProfiles Block access to the about:profiles page. BlockAboutSupport Block access to the about:support page. Bookmarks Create bookmarks in the Bookmarks toolbar, Bookmarks menu, or a specified folder inside them. CaptivePortal Enable or disable captive portal support. Certificates Add certificates or use built-in certificates. Containers Set policies related to containers. ContentAnalysis Enable or disable connection to data-loss-prevention agent. Cookies Allow or deny websites to set cookies. DefaultDownloadDirectory Set the default download directory. DisableAccounts Disable account-based services, including sync. DisableAppUpdate Prevent the browser from updating. DisableBuiltinPDFViewer Disable PDF.js, the built-in PDF viewer in Firefox. DisabledCiphers Disable ciphers. DisableDefaultBrowserAgent Prevent the default browser agent from taking any actions. Only applicable to Windows; other platforms don’t have the agent. DisableDeveloperTools Block access to the developer tools. DisableEncryptedClientHello Disable use of the TLS feature Encrypted Client Hello (ECH). DisableFeedbackCommands Disable commands to send feedback from the Help menu (Submit Feedback and Report Deceptive Site). DisableFirefoxAccounts Disable account-based services, including sync. DisableFirefoxScreenshots Disable the Firefox Screenshots feature. DisableFirefoxStudies Prevent Firefox from running studies. DisableForgetButton Prevent access to the Forget button. DisableFormHistory Don’t remember search and form history. DisableMasterPasswordCreation If true, a Primary Password can’t be created. DisablePasswordReveal Do not allow passwords to be revealed in saved logins. DisablePocket Disable the feature to save webpages to Pocket. DisablePrivateBrowsing Disable Private Browsing. DisableProfileImport Disable the menu command to Import data from another browser. DisableProfileRefresh Disable the Refresh Firefox button in the about:support page. DisableSafeMode Disable the feature to restart in Safe Mode. Note: the Shift key to enter Safe Mode can only be disabled on Windows using Group Policy. DisableSecurityBypass Prevent the user from bypassing certain security warnings. DisableSetDesktopBackground Disable the menu command Set as Desktop Background for images. DisableSystemAddonUpdate Prevent the browser from installing and updating system add-ons. DisableTelemetry Turn off Telemetry. DisableThirdPartyModuleBlocking Prevent the user from blocking third-party modules that get injected into the Firefox process. DisplayBookmarksToolbar Display the Bookmarks Toolbar by default. DisplayMenuBar Display the Menu Bar by default. DNSOverHTTPS Configure DNS over HTTPS. DontCheckDefaultBrowser Disable check for default browser on startup. DownloadDirectory Set and lock the download directory. EnableTrackingProtection Enable or disable Content Blocking and optionally lock it. EncryptedMediaExtensions Enable or disable Encrypted Media Extensions and optionally lock it. ExemptDomainFileTypePairsFromFileTypeDownloadWarnings Disable warnings based on file extension for specific file types on domains. Extensions Install, uninstall or lock extensions. The Install option takes URLs or paths as parameters. The Uninstall and Locked options take extension IDs. ExtensionSettings Manage all aspects of extension installation. ExtensionUpdate Enable or disable automatic extension updates. FirefoxHome Configure Firefox Home. FirefoxSuggest Configure Firefox Suggest. GoToIntranetSiteForSingleWordEntryInAddressBar Force direct intranet site navigation instead of searching when typing single word entries in the address bar. Handlers Configure default application handlers. HardwareAcceleration If false, turn off hardware acceleration. Homepage Set and optionally lock the homepage. HttpAllowlist Origins that will not be upgraded to HTTPS. HttpsOnlyMode Allow HTTPS-Only Mode to be enabled. InstallAddonsPermission Allow certain websites to install add-ons. LegacyProfiles Disable the feature enforcing a separate profile for each installation. LegacySameSiteCookieBehaviorEnabled Enable default legacy SameSite cookie behavior setting. LegacySameSiteCookieBehaviorEnabledForDomainList Revert to legacy SameSite behavior for cookies on specified sites. LocalFileLinks Allow specific websites to link to local files. ManagedBookmarks Configures a list of bookmarks managed by an administrator that cannot be changed by the user. ManualAppUpdateOnly Allow manual updates only and do not notify the user about updates. NetworkPrediction Enable or disable network prediction (DNS prefetching). NewTabPage Enable or disable the New Tab page. NoDefaultBookmarks Disable creation of the default bookmarks bundled with Firefox, and the Smart Bookmarks (Most Visited, Recent Tags). Note: this policy is only effective if used before the first run of the profile. OfferToSaveLogins Enforce the setting to allow Firefox to offer to remember saved logins and passwords. Both true and false values are accepted. OfferToSaveLoginsDefault Set the default value for allowing Firefox to offer to remember saved logins and passwords. Both true and false values are accepted. OverrideFirstRunPage Override the first run page. Set this policy to blank if you want to disable the first run page. OverridePostUpdatePage Override the post-update “What’s New” page. Set this policy to blank if you want to disable the post-update page. PasswordManagerEnabled Enable saving passwords to the password manager. PasswordManagerExceptions Prevent Firefox from saving passwords for specific sites. PDFjs Disable or configure PDF.js, the built-in PDF viewer in Firefox. Permissions Configure permissions for camera, microphone, location, notifications, and autoplay. PictureInPicture Enable or disable Picture-in-Picture. PopupBlocking Allow certain websites to display popups by default. PostQuantumKeyAgreementEnabled Enable post-quantum key agreement for TLS. Preferences Set and lock the value for a subset of preferences. PrimaryPassword Require or prevent using a Primary Password. PrintingEnabled Enable or disable printing. PromptForDownloadLocation Ask where to save files when downloading. Proxy Configure proxy settings. RequestedLocales Set the list of requested locales for the application in order of preference. SanitizeOnShutdown Clear navigation data on shutdown. SearchBar Set the default location of the search bar. The user is still allowed to customize it. SearchEngines Configure search engine settings. This policy is only available on the Extended Support Release (ESR) version. SearchSuggestEnabled Enable or disable search suggestions. SecurityDevices Add or delete PKCS #11 modules. ShowHomeButton Show the home button on the toolbar. SSLVersionMax Set the maximum SSL version. SSLVersionMin Set the minimum SSL version. StartDownloadsInTempDirectory Force downloads to start off in a local, temporary location rather than the default download directory. SupportMenu Add a custom support menu item to the help menu. TranslateEnabled Enable or disable webpage translation. UserMessaging Don’t show certain messages to the user. UseSystemPrintDialog Print using the system print dialog. WebsiteFilter Block websites from being visited. See documentation for more details on the format. WindowsSSO Allow Windows single sign-on for Microsoft, work, and school accounts.

i am trying to find out how to capture an entire web page. Appparently Edge provides such an option with a camera icon. How can i do a similar function in Firefox. Are there add-ons perhaps?

This problem began a couple days ago. I have no problem accessing other sites on Firefox (and none for this site over years of use.) Can access site on Safari without problem.

I keep getting the error in the image and can't use my tabs at all . The search loads for 10-15 seconds and then I get the error. I have tried troubleshoot mode too !

On 18 June in the morning my bookmarks were all listed to the left of my browser and I shut down my laptop. That evening I turned on the laptop and bookmarks were gone the browser got brighter and my bookmarks are now only accessible thru a tab in upper right hand corner called other bookmarks. I want them back to the left side of my browser and do not know how to do it.

I have an issue that's been annoying the crap out of me and I haven't been able to find a solution. I'm hoping someone here can help me out.

I want to drag an image from one tab into the upload field in another tab. This works fine in other browsers, but not in Firefox.

For example, I'm posting an item on Craigslist. I have pictures on the item in Google Photos. I would like to drag the image from the tab showing Google Photos to the upload field in my Craigslist post, but when I do, nothing happens.

I get the same behavior regardless of what web page I'm dragging the image from or what website I'm trying to upload to.

Hi,

I have two PCs with latest versions of Firefox and Roboform. On one, Roboform controls the password manager in Firefox, in one it doesn't. How can I change the setting so it controls in both?

I'm having issues with videos loading on ANY webiste, YouTube ect.... This started happening very recently out of the blue. Videos work fine on Edge. Additionally, I cannot run Firefox in troubleshooting mode? It crashes. I tried "refreshing" and reinstalling Firefox to no avail. I am using AdAware AV and AVG anti viruses if it matters, I have tired disabling both and loading FIrefox, no changes.

I used to use chrome. There, when i add a bookmark, the title and the URL are prefilled. Which is very comfortable. Why is this not a feature in firefox? I always have to copy paste the URL and enter an own title. Chrome has become very slowly on some websites, while firefox does not slow down on those websites at all. So i want to stay with firefox. Good job, team. But the bookmarking UX is improveable.