[Bug] Extensions don't stay pinned to the toolbar

[3aaabatteries]

Describe the bug

Debian 13 / Gnome 48 / Librewolf flatpak v147 and Firefox ESR .deb v140 / Firefox GNOME Theme v143 installed through AddWater.

Extensions always go back to the extension menu in the toolbar when relaunching browser, even when I manually pin them to the toolbar

Steps to reproduce

• Click extensions menu in toolbar
• Select an extension to pin
• Extension is now pinned to the toolbar
• Close browser and open it again
• Pinned extension is back in the extension menu

Expected behavior

Pinned extension stays in toolbar even after closing and re-opening.

Operating System

Debian 13

Firefox installation method

Flatpak

Firefox version

Librewolf v147 and

Theme version

v143

Optional features enabled

• gnomeTheme.hideSingleTab
• gnomeTheme.normalWidthTabs
• gnomeTheme.swapTabClose
• gnomeTheme.bookmarksToolbarUnderTabs
• gnomeTheme.activeTabContrast
• gnomeTheme.closeOnlySelectedTabs
• gnomeTheme.systemIcons
• gnomeTheme.noThemedIcons
• gnomeTheme.symbolicTabIcons
• gnomeTheme.hideWebrtcIndicator
• gnomeTheme.hideUnifiedExtensions
• gnomeTheme.dragWindowHeaderbarButtons
• gnomeTheme.tabsAsHeaderbar
• gnomeTheme.oledBlack
• gnomeTheme.allTabsButtonOnOverflow
• gnomeTheme.allTabsButton
• gnomeTheme.tabAlignLeft
• gnomeTheme.bookmarksOnFullscreen

Additional information

No response

[rafaelmardojai]

I can't reproduce this for now.