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I use Iosevka font as my preferred custom font for websites, I really like this Firefox feature (actually one of the main reasons why I swapped from Chromium browsers), and as of updating my Firefox Nightly to "Nightly 119.0a1 (20230908094535)" version this feature no longer works on all websites, and only seems to work on the search bar when I open a new tab.

Image 1: Settings (unchanged since previous version when this feature worked) Image 2: Search bar in new tab is using Iosevka font correctly Image 3: An example of another website where the font is not being loaded where it did in the previous version.

Thanks.

My thunderbird works okay, but when I select emails from imbox folder to delete it takes too long. I researched to find the problem and the only option I found was to add an exclusion to the profile folder on my windows security antivirus. Now I can select emails from the imbox and delete them without a problem, but my concern is if I will be vulnerable to virus.

For the last couple of weeks, whenever I access the finance.yahoo.com/ website, my computer slows to a crawl. I run Activity Monitor to show me FF memory usage has surged to 6.5 GB! I cannot just 'quit' FF, have to force quit to regain the memory. No problems with any other website. I am running Mac OS 12.7, 8GB RAM, FF 102.0.1

Any help/suggestions appreciated.

Regards, Peter Donlevy

After updating Thunderbird to the new version 91.9.1, most of my email messages disappeared.

An error message was displayed after updating to the new version. Thunderbird restart chashed and I started the program again, just to noticed that the messages were not anymore in the folders.

How can I recover my messages?

Andy

This bug occurs very randomly, but it seems there have few things in common.

- Occurring on domain level, one domain at once. For example, if Youtube.com stuck, any sub address including each video page is not loaded. Other website and whole browser works fine. - Other program on same PC is not affected, too. - Which page is stop loading is completely random. It might be happen only on a popular, feature-rich site like amazon, google, but not sure. - The timing is also random. Maybe after waking PC up from sleep, but not sure. Frequency of occurrence is once every 1~5 days. - The workaround without restarting browser is 1.)switching to other container tabs(strangely), 2.)opening website on private window. Disabling all the addon manually didn't help.

Since it's randomness, I didn't have any logs about this issue.

Gmail refuses to allow Thunderbird to connect as it is "less secure" app. I used to have access using a "app password" but now even that does not work. Microsoft will be doing something similar this fall. So ThunderBird will not be able to work with Microsoft or Google mail servers. I installed OWL as a temporary work around, but I have multiple email accounts on several domains, and "ModernAuth" seems to use a web access and cookies, which means only ONE email address per domain can be used. What is the work around?

My mom's version of Thunderbird is crashing a lot on exit. She's running the latest version of Linux Mint as OS. What is going on with this crash and how can we prevent it?

AdapterDeviceID: 0x0106 AdapterDriverVendor: mesa/crocus AdapterDriverVersion: 22.0.5.0 AdapterVendorID: 0x8086 Add-ons: google%40search.mozilla.org:1.0,amazondotcom%40search.mozilla.org:1.1,bing%40search.mozilla.org:1.0,ddg%40search.mozilla.org:1.0,wikipedia%40search.mozilla.org:1.0,default-theme%40mozilla.org:1.2,langpack-en-GB%40thunderbird.mozilla.org:91.0buildid20220628000715,langpack-en-CA%40thunderbird.mozilla.org:91.0buildid20220628000715 AvailablePageFile: 56758272 AvailablePhysicalMemory: 121081856 AvailableSwapMemory: 4186173440 AvailableVirtualMemory: 1174671360 BuildID: 20220628000715 ContentSandboxCapabilities: 119 ContentSandboxCapable: 1 ContentSandboxLevel: 0 CrashTime: 1661903862 DOMIPCEnabled: 1 DesktopEnvironment: mate FramePoisonBase: 9223372036600930304 FramePoisonSize: 4096 InstallTime: 1659837862 IsWayland: 0 MozCrashReason: MOZ_CRASH(Shutdown hanging after all known phases and workers finished.) Notes: Linux Mint 21FP(D00-L1000-W00000000-T000) WR? WR+ OMTP? OMTP- libGL.so.1? libGL.so.1+ GL Context? GL Context+ ProductID: {3550f703-e582-4d05-9a08-453d09bdfdc6} ProductName: Thunderbird ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 17313 ShutdownProgress: xpcom-shutdown StartupCrash: 0 StartupTime: 1661900719 TelemetryEnvironment: {"build":{"applicationId":"{3550f703-e582-4d05-9a08-453d09bdfdc6}","applicationName":"Thunderbird","architecture":"x86-64","buildId":"20220628000715","version":"91.11.0","vendor":null,"displayVersion":"91.11.0","platformVersion":"91.11.0","xpcomAbi":"x86_64-gcc3","updaterAvailable":false},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":3820,"virtualMaxMB":null,"cpu":{"extensions":["hasMMX","hasSSE","hasSSE2","hasSSE3","hasSSSE3","hasSSE4_1","hasSSE4_2"]},"os":{"name":"Linux","version":"5.15.0-46-generic","locale":"en-US"},"hdd":{"profile":{"model":null,"revision":null,"type":null},"binary":{"model":null,"revision":null,"type":null},"system":{"model":null,"revision":null,"type":null}},"gfx":{"D2DEnabled":null,"DWriteEnabled":null,"ContentBackend":"Skia","Headless":false,"EmbeddedInFirefoxReality":null,"adapters":[{"description":"Mesa Intel(R) HD Graphics 2000 (SNB GT1)","vendorID":"0x8086","deviceID":"0x0106","subsysID":null,"RAM":0,"driver":null,"driverVendor":"mesa/crocus","driverVersion":"22.0.5.0","driverDate":null,"GPUActive":true}],"monitors":[{"screenWidth":1366,"screenHeight":768}],"features":{"compositor":"none","hwCompositing":{"status":"available"},"gpuProcess":{"status":"unused"},"wrQualified":{"status":"available"},"webrender":{"status":"available"},"wrCompositor":{"status":"blocklisted:FEATURE_FAILURE_WEBRENDER_COMPOSITOR_DISABLED"},"wrSoftware":{"status":"available"},"openglCompositing":{"status":"available"},"omtp":{"status":"broken"}}},"appleModelId":null},"settings":{"blocklistEnabled":true,"e10sEnabled":true,"e10sMultiProcesses":8,"fissionEnabled":false,"telemetryEnabled":false,"locale":"en-US","intl":{},"update":{"channel":"release","enabled":true,"autoDownload":false,"background":false},"userPrefs":{"browser.cache.disk.capacity":1048576,"browser.search.region":"US","widget.content.allow-gtk-dark-theme":false,"widget.content.gtk-high-contrast.enabled":true},"sandbox":{"effectiveContentProcessLevel":0,"contentWin32kLockdownState":3},"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":null},"profile":{}} TelemetrySessionId: 005b2f8d-19e8-4128-baf4-545bddbf06e6 ThreadIdNameMapping: 4740:"IPC I/O Parent",4748:"JS Watchdog",4750:"TaskController Thread #1",4749:"TaskController Thread #0",4762:"GLXVsyncThread",4766:"WRWorker#0",4768:"WRWorkerLP#0",4767:"WRWorker#1",4769:"WRWorkerLP#1",4814:"Breakpad Server",8745:"IMAP",8747:"Shutdown Hang Terminator", Throttleable: 1 TotalPageFile: 8192700416 TotalPhysicalMemory: 4005740544 URL: about:blank UptimeTS: 3143.70473289 Version: 91.11.0 useragent_locale: en-US

I think at some point I was able to send a private message. Or maybe it was just a reply to a private message that was sent to me. I remember something about clicking on a person's picture.

Thanks is advance for yoiur help. SweetTasha

I'm migrating to a new computer and from Windows 10 to W11. I have successfully exported/imported the contacts using the export tool, but cannot figure out how to ex/im the calendar. I am using a SanDisk drive to move the files. Both systems have TBird 102.1.2 (64-bit).

Please give step-by-step instructions to do the calendar (only) ex/im. I do not use the Mail feature.

Video playback initially works, until suddenly it doesn't; no new videos will work, and videos that previously played in the same browsing session will stop working. Easy to reproduce on Reddit by browsing any video-heavy subreddit. Leaving a broken video in a tab seems to infect the rest of the browser across websites; if a broken video from site A is open in another tab, videos on site B won't play.

Sometimes quitting and restarting Firefox is enough to temporarily get video playback working again; sometimes I have to manually clear the browser cache; at least once I've had to reboot my phone.

Screen recording with symptoms: https://youtu.be/5O6FOax7ozA

Device is a Sony Xperia I V

Background:

I regularly work with old modem/router at my work sites. I usually use Firefox on PC to access the management page. Sometimes, I like to check by the sites with only my phones, to mess with the configs in the modem.

I cannot access the local IP address (https://192.168.10.1/) because of the TLS requirement is too high (SSL/TLS 1.3). I need to lower the TLS version inabout:config to 1.1. I couldn't access the about:config on Firefox Android.

I have tapped 5 times on the Firefox logo to enable to Debug page, but changing TLS requirement is NOT there.

Question: Where is the setting for security.tls.version.min in Firefox Android 120.0?

Hi, I want to use Windows Task Scheduler to send command line emails via Thunderbird.

I have found only: thunderbird -compose "attachment='C:\first.txt,C:\second.txt'"

This works. But I also want to include email to, subject, text body and send.

I have tried options like Blat. Blat works but not with gmail.com as they block it. So with Thunderbird installed locally I may be able to work around the new gmail restrictions.

Many thanks.

I'm stetting up a testing environment. It's a closed environment with no access to the Internet when it's in use.

The environment is launched from AWS and consists of an Ubuntu 18 desktop and a Ubuntu Server running Apache. The desktop is able to successfully load the website, but with a cert error that the certificate isn't trusted.

When the Ubuntu Desktop launches, it has a fresh install of Firefox, and therefore all the directories in the users home folder are not yet setup for Firefox, including the database where the root CAs are stored.

I'm am able to add the Root CA certificate into the Firefox cert database AFTER the machine fully boots and I run Firefox for the first time. I'm using the 'certutil' package to do this. After I load Firefox, then add the root CA certificate using certutil, I'm able to load the website without error.

I need to add this certificate to the database with the startup shell script for the machine.

Any help is greatly appreciated. Here's the commands I'm using:

1. copy the CA cert into firefox

export ffcerts=`ls /home/testuser/.mozilla/firefox/ | grep default-release` sudo certutil -A -n "testcert" -t "TC,," -i /home/testuser/certificates/testcertCA.pem -d sql:/home/testuser/.mozilla/firefox/$ffcerts

These commands work perfectly after Firefox is run for the first time. I've even tried adding 'Firefox' (with several different switches) into my startup script without success.

Thunderbird v31.4.0 Linux Mint Debian Edition 3.1.2-amd64 Cinnamon 2.0.14

When clicking on a link within an email, the system crashes and the monitor display displays jagged, diagonal lines. A cold boot is required. This can be repeated.

Same results running in Safe Mode.

Any ideas?