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Folder corruption in Thunderbird 122+

Jeremy Rowley resigns from DigiCert due to mass-revocation incident

Telekom Security: Revocation delay for TLS certificates

Copy and Paste context menu entries sometimes disabled when they should not be

Firefox development is moving from Mercurial to Git (2023)

Firefox "Bug" Leaked Saved Logins Across Profiles and Caused Break Up (2005)

Firefox bug gets fixed after 25 years

Google breaks captcha working on Firefox for Windows - no doubt "accidentally"

Mozilla closes 21 years old bug in Firefox

Can't sign in with FIDO2 key on office.com

Support HTTP over Unix domain sockets

Thunderbird still can't sort messages within a thread after 15 years.

Firefox refuses to allow developers to disable picture in picture on videos

Firefox tooltip bug fixed after 22 years

Mozilla finds CPU bug (bad store forwarding) in Samsung Galaxy S20

Firefox 115, Nightly supports a new “copy clean” link context menu action

Firefox displayed a pop-up ad for Mozilla VPN over an unrelated page

Firefox engineers discover a Windows Defender bug that causes high CPU usage

Add Honest Achmed's root certificate (2011)

Automatically enable or disable end-to-end encryption

CSS Paged Media Module Level 3

CSS lengths in Gecko are limited to 17,895,697 pixels (2010)

Password generator doesn't generate new password in the same session

Test crashed - Attempting to connect to non-local address! some-nonexistent-domain-27489274c8927.com

Connection reuse may route traffic to malicious servers

Sync for Thunderbird

Firefox removed Yandex search option (and used misleading bug name to hide)

A bug I opened 15 years ago was closed 4 hours ago

Bug 111373 – don't allow animated favicons (2001)

Firefox dev: Encoding override not necessary since most mojibake still legible

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