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Firefox
149
release uplifts
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Uplifts by Product
71 uplifts
Other
40
Firefox
10
Firefox for Android
10
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6
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1
External Software Affecting Firefox
1
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1
Web Compatibility
1
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1
149.0.1
Android
7 bugs uplifted
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Uplifts and Backouts
Bug
Component
Summary
1999263
XPCShell Harness
The temporary folder might be deleted before we attempt to generate a minidump
2012763
Experimentation and Telemetry
Consider updating NimbusGeckoPrefHandler architecture and follow-ups
2017451
Media
Music controls in the notification drawer fail to work
2019462
Homepage
Stretched Kit wallpaper when homepage doesn't show any content and composable toolbar at the bottom is used
2021783
Homepage
nightly crashes when switching back to normal mode from private browsing
2023638
Homepage
Put the Edge to Edge background behind a feature flag enabled in Nightly
2025134
Share
Sharing tabs from locations in the app aside from the menu are always shared as private
149.0.2
Desktop
Android
64 bugs uplifted
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Uplifts and Backouts
Bug
Component
Summary
2013107
Experimentation and Telemetry
Implement Playstore attribution retry mechanism.
2019983
Enterprise Policies
Introduce a new policy that maps directly to the AI controls
2020285
Site Reports
www.public.nm.eurocontrol.int - Drop-down buttons from "Network Headline News" section does not show content when expanded
2022238
Widget: Gtk
[Wayland] Toolbar stops responding to clicks
2022365
IP Protection
Add enterprise policy for disabling VPN
2022590
Security
Add telemetry probes to track impressions of network error pages and their category
2023201
Sync
’Send to device’ option doesn’t work if the tab was sent from Firefox View’s ‘Open tabs’ section
2023648
Inspector: Rules
The var() function seems to be broken when it spans several lines
2023800
Security
New error pages contain misleading information on http errors
2024160
Sidebar
Allow moz-remote-image (SVG favicons) in the synced tabs sidebar
2024514
IP Protection
Channelfilter is not removed when VPN is paused while activating.
2024647
SVG
SVG text dominant-baseline values text-before-edge and text-after-edge are not respected
2024780
IP Protection
Add UTM paramets to the Mozilla VPN subscription upgrade URL in the about:settings
2026109
Printing: Output
Print renders all the <option> items in a <select> element instead of the selected one only
2026426
Graphics: ImageLib
Update libpng to new version v1.6.56 from 2026-03-25 22:47:06 (includes fixes for CVE-2026-33416, CVE-2026-33636)
2026688
DOM: Web Authentication
Crash in [@ mozilla::Maybe<T>::emplace<T> | mozilla::dom::SerializeWebAuthnRequestOptions]
2026959
Other
Fix Trellix exclusion check for closing KsecDD
2027191
Search
Update partnerCode validation to support dots in search-config-v2-schema
2027888
Enterprise Policies
Homepage/Startpage policies no longer work
2027944
General
Add partner mapping for specific attributed users
2028034
Graphics: WebRender
Fix dirty_rect empty check to account for device_size
2028128
Homepage
Wallpaper selection tool offers the unavailable Edge to Edge option for 149.0.1
2028335
General
Updating l10n-changesets on release to include latest translations
2028943
Tooling
Perma fenix release org.mozilla.fenix.utils.SettingsTest.defaultWallpaperIsEdgeToEdgeWhenEdgeToEdgeFeatureEnabled | org.junit.ComparisonFailure: expected:<[edge-to-edge]> but was:<[default]>
2022554
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