Verified that the favicon is no longer displayed for http sites with Firefox 147.0a1 (2025-12-02) on Windows 11, macOS 26 and Ubuntu 24.
Bug 1998677 Comment 4 Edit History
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Verified that the favicon is no longer displayed for http sites in split view with Firefox 147.0a1 (2025-12-02) on Windows 11, macOS 26 and Ubuntu 24.