v2.80.3 Early Nova fixes - Firefox v157

📦 Latest Full Repository .zip download | 📦 Release v2.80.3.zip download

📦 Easy Install Script by Alan-Kuan download - instructions

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Warning

Many extra mods haven't been tested with v157 version and most likely will be broken. Will be fixing them.
I will be working on porting everything together with my old unfinished v3.0 version structure with oneliner etc, I have delayed this for too long.

v2.80.3 • 04/10/2026 • Tested on Firefox v157.0.0

• Fix new tab searchbar invisible container height which was causing clicking issues in specific layout.
• Fix and improve colors, behavior, animations for tracking counter button inside searchbar with
  browser.urlbar.trackerCount.featureGate and browser.urlbar.trackerCount.enabled enabled (not fully released firefox feature).
  It has intentional ~22second delay on first time page visit (added by Firefox).

v2.80.2 • 03/10/2026 • Tested on Firefox v157.0.0

• Private Window new tab, searchbar and bookmarks bar color fixes. Remove purple border around content window.
• Fix first text element in search popout when using light theme and one of the custom firefox color themes.
• popout bookmarks bar color fixes.

v2.80.1 • 03/10/2026 • Tested on Firefox v157.0.0

• Fix searchbar shadow showing when it's open.

v2.80 • 03/10/2026 • Tested on Firefox v157.0.0

• Rework for Nova Firefox v157. Will be removing old non Nova code slowly so dont forget to enable both browser.nova.enabled and for new tab browser.newtabpage.activity-stream.nova.enabled in about:config.
• Move Tab audio/volume button from bottom to the top of the tab where it was before v157 update.
• Fix and Rewrite popout_bookmarks_bar_on_hover.css mod for v157.
• Make the first Color selector in Theme picker to be my default theme colors.

• Change Search and Searchmode engine switcher menu icons to monochrome. In the future will add option for default colors. Let me know if you have other search engines to modify.

• Adjust macos style min-max-close mod for Nova Firefox color themes.
• Fix colors for Adaptive tab bar color extension. Monochrome search icons still need fixing.
• Add support for custom Firefox color themes:

v2.80 userContent, userChrome, ASSETS folder, bookmarks auto hide mod, macos style min-max-close mod files updated.

v2.80.2 Only userContent, userChrome, bookmarks auto hide mod, files updated.

v2.80.3 Only userContent, userChrome files updated.