[-Fx-] Firefox 150.0 Released
官方版本151.0預計在 2026年05月19日(美國時間) 台灣時間05月19日~05月20日 更新
150.0.3 Release Note
https://www.mozilla.org/en-US/firefox/150.0.3/releasenotes/
Fixed︰
Fixed an issue where characters entered into password fields could appear
unmasked in print preview and printed pages. (Bug 2037803)
https://bugzilla.mozilla.org/show_bug.cgi?id=2037803
Various security fixes.
https://www.mozilla.org/security/advisories/mfsa2026-45
150.0.2 Release Note
https://www.mozilla.org/en-US/firefox/150.0.2/releasenotes/
Fixed:
Fixed an issue where websites on internal or corporate networks that
require a login prompt would show a blank page. (Bug 2034752)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034752
Fixed an issue that prevented highlighting from working on scanned images
in the built-in PDF viewer. (Bug 2034980)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034980
Fixed an issue where the "New" badge persisted on Split View menu items.
(Bug 2027793)
https://bugzilla.mozilla.org/show_bug.cgi?id=2027793
Fixed an issue that prevented some webcams from working correctly in video
calls. (Bug 2034722)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034722
Fixed an issue where a tab would crash when dragging and dropping nested
folders onto a webpage. (Bug 2030461)
https://bugzilla.mozilla.org/show_bug.cgi?id=2030461
Improved how Firefox displays websites with advanced 3D effects, fixing
cases where parts of the page could disappear or appear incorrectly.
(Bug 2034283)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034283
Fixed an issue that could prevent Firefox’s local backup feature from
completing successfully. (Bug 2029240)
https://bugzilla.mozilla.org/show_bug.cgi?id=2029240
Fixed an issue where the status and navigation bars would flicker or show
mismatched colors when editing a page’s address. (Bug 2021596)
https://bugzilla.mozilla.org/show_bug.cgi?id=2021596
Improved the appearance of search suggestions in the address bar by
preventing icons from appearing stretched or distorted. (Bug 2035353)
https://bugzilla.mozilla.org/show_bug.cgi?id=2035353
Various security fixes.
https://www.mozilla.org/security/advisories/mfsa2026-40
150.0.1 Release Note
https://www.mozilla.org/en-US/firefox/150.0.1/releasenotes/
Fixed︰
Fixed an issue where Facebook and other websites might not load properly
for users with Bitdefender security software installed. (Bug 2034178)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034178
Fixed an issue where denying a geolocation permission prompt could cause
Firefox to show the system permission dialog again on a second attempt. (Bug
2034120)
https://bugzilla.mozilla.org/show_bug.cgi?id=2034120
Fixed an issue that prevented tabs from being added to some older saved tab
groups. (Bug 2031961)
https://bugzilla.mozilla.org/show_bug.cgi?id=2031961
Fixed a layout issue where some drop-down menus expanded to display all
list items at once. (Bug 2033117)
https://bugzilla.mozilla.org/show_bug.cgi?id=2033117
Fixed an issue where borders and outlines on some page elements disappeared
when pinch zooming or smart zooming on macOS and Windows. (Bug 2030043)
https://bugzilla.mozilla.org/show_bug.cgi?id=2030043
Various security fixes.
https://www.mozilla.org/security/advisories/mfsa2026-35
150.0 Release Note
https://www.mozilla.org/en-US/firefox/150.0/releasenotes/
New︰
Split View just got better: You can now right-click any link and choose
Open Link in Split View to open it alongside your current tab. You can also
search open tabs when creating a split view and quickly reverse tab positions
using the new Reverse Tabs option in the tab context menu.
https://support.mozilla.org/kb/split-view-firefox
Share multiple tabs in a single step: select several tabs, right-click, and
choose Share → Copy X links. When pasted into other apps, links include both
the page title and URL for easy reading.
You can now use Firefox’s built-in PDF editor to reorder, copy, paste,
delete, and export pages in a PDF.
https://support.mozilla.org/kb/view-pdf-files-firefox-or-choose-another-viewer
Local network access restrictions are now being extended to all users.
Firefox will require websites to request your permission before connecting to
devices on your local network or to apps and services on your device.
Previously limited to users with Enhanced Tracking Protection set to Strict,
this protection is now rolling out gradually to all users. You can find more
details about this on our support page.
https://is.gd/M4z9lB
Try out real-time, private translations in Firefox Desktop with the
about:translations page. Start typing the word "translate" into the URL bar
for a quick-action shortcut to the page.
https://i.meee.com.tw/hamFzlY.png

Added support for the GTK emoji picker on Linux, allowing users to insert
emoji using the system shortcut (typically Ctrl+.).
Firefox web apps are now available to Windows users who installed Firefox
through the Microsoft Store.
https://support.mozilla.org/kb/web-apps-firefox-windows
The new Firefox Profile management system is now available to all users,
including users on Windows 10.
https://support.mozilla.org/kb/profile-management
Backing up a profile to a file is now available to all Windows 10 and 11
users, including those who use the new profile management system.
https://support.mozilla.org/kb/firefox-backup
Firefox now ships with a new .rpm package for Linux users on Red Hat,
Fedora, openSUSE, and other RPM-based distributions.
Fixed︰
Fixed an issue on macOS where, when macOS Lockdown mode is enabled, emoji
characters are not displayed in web content.
Various security fixes.
https://www.mozilla.org/security/advisories/mfsa2026-30
Changed︰
If you prefer creating tab groups from the context menu, you can now turn
off drag-and-drop group creation in Settings > Tabs > Drag tabs to create tab
groups.
Enterprise︰
You can find information about policy updates and enterprise-specific bug
fixes in the Firefox for Enterprise 150 Release Notes.
https://support.mozilla.org/kb/firefox-enterprise-150-release-notes
Developer︰
Developer Information
https://developer.mozilla.org/docs/Mozilla/Firefox/Releases/150
A new element-specific section has been added to the pseudo-class toggle
panel including a toggle for the :open pseudo-class, which is only available
for elements that have an open state like <dialog> elements. The existing
toggle for the :visited pseudo-class was also moved there, as it only applies
to <a> and <area> elements. (Learn More)
https://mzl.la/4d1etXd
The Document.caretPositionFromPoint() method now only returns a position in
a shadow DOM if its ShadowRoot is passed in the newly-added shadowRoots option.
https://mzl.la/4tsEgyq
The devtools network monitor now indicates when a connection used a
certificate issued by a certificate authority not in Mozilla's Root CA
Program.
Web Platform︰
Firefox now supports the ariaNotify API for accessibility notifications
(e.g. for screen readers) as a more ergonomic and reliable alternative to ARIA
live regions.
https://developer.mozilla.org/docs/Web/API/Document/ariaNotify
Firefox now supports media element pseudo-classes (e.g., :playing, :paused)
to allow more precise styling based on media playback state.
Added support for the highlightsFromPoint() API, which allows web pages to
interact with CSS Highlights by returning all Highlights at a given point.
https://mzl.la/3Qjv9Bu
Firefox now supports light-dark() on images, just like on colors, which is
very useful for supporting dark mode on websites.
https://mzl.la/4cASzcT
The color-mix() function previously accepted only two color values. This
limitation has now been removed, allowing the function to accept an arbitrary
number of colors.
https://mzl.la/4cUPvtw
Added support for a new auto value on the sizes attribute for lazy-loaded
image elements with multiple images defined via srcset. This allows the
browser to automatically select the right image based on the layout width of
the image element. (Learn More)
https://mzl.la/3Qe8aYy
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