This release is based on Firefox 153 instead of 140. Expect ALL themes to be broken in some way or the other.

Changelog

• Updated the Firefox base to ESR 153.
• Added the Brightwork ABI 2 from Marble.
• Restored legacy XUL extension support, including chrome overlays, RDF manifests, bootstrapped add-ons, legacy SDK components, embedded extensions, and WebExtension bridging.
• Added XUL themes section to Add-ons Manager.
• Added system-accent colors, custom light and dark palettes, shared palettes, per-component colors, and opacity controls.
• Added the old Firefox 140 autofill appearance behind nocturne.ui.oldautofill.
• Added optional platform-specific icons via nocturne.platformspecificicons.enabled. (Thanks OmegaAOL!)
• Added support for themed controls when using sandbox levels higher than 7. (Windows 10 only)
• Added Hardware Acceleration for Windows Vista. (Working H264 hardware decoding)
• Made the built-in ICO page icon behavior configurable via browser.favicon.ico.enabled.
• Reworked private browsing visuals. The legacy Felt Privacy style remains toggleable via browser.privatebrowsing.felt-privacy-v1.
• PWA windows have been tweaked to include backgrounds, draggable titlebars, and other titlebar fixes.
• Added user-agent stealth support through general.useragent.stealth.
• Added network.wifi.scanning.disabled, which disables Necko Wi-Fi scans by default.
• Made the redesigned settings page the default with browser.settings-redesign.enabled; disabling it restores the legacy preferences pages.
• Added an option for squared menu corners via browser.ui.menu.squaredcorners.
• Added a toggle for reduced browser-chrome rounding via browser.ui.reducedRounding.enabled.
• Added browser.ui.forcetransparency handling for transparent LWTheme backgrounds in Nova mode and the Windows 7/8 Aero stylesheet.
• Added nocturne.tabs.oldWarnOnClose, which restores the old warning behavior when prompts.tab_modal.enabled is false and browser.tabs.warnOnClose is enabled. (Thanks OmegaAOL again!)
• Ublock Origin should be uninstallable.
• Backported jxl-rs 0.7.3 to 153.
• The Nova theme has been modified to work with Windows 8 and 7.
• Old URLBar has been reworked for 153.
• Backported a fix for a mozilla bug with media controls.
• Fixed Skia GDI font rendering. (Thanks Erizur!)
• Took a bit of commits from Marble so all credits go to Erizur and Marble

Probably there's more that I did not list here. There's a lot of stuff so forgive me :/.

Full Changelog: https://github.com/raytek-cafe/Nocturne/commits/4.0.0

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If you cannot show the assets you can download the browser here: https://github.com/raytek-cafe/Nocturne/releases/expanded_assets/4.0.0