v8.0.0

IMPORTANT

As described in the previous release, the Firefox V117 has a serious compatibility problem due to the suspension of Windows 7 and 8 support. #744
Therefore, depending on the version, the following file must be used to work properly.

v117 or Higher:

• css/leptonChrome.css
• css/leptonContent.css

v116 or Lower:

• css/leptonChromeESR.css
• css/leptonContentESR.css

Changed

Theme

• Windows 11 Color (Sun Valley): using userChrome.compatibility.os.win11
• userChrome.theme.private: Purple color at private mode
• userChrome.theme.non_native_menu: only for linux(emulate windows menu)

Transparent

• userChrome.theme.transparent.frame
• userChrome.theme.transparent.menu #585
• userChrome.theme.transparent.panel

Hidden

• userChrome.hidden.private_indicator

Tab

• userChrome.tab.container.on_top #478
• userChrome.tab.sound_with_favicons.on_center #463
• userChrome.tab.selected_bold

User Content

• userContent.newTab.background_image

@-moz-document url("about:home"), url("about:newtab") {
  body {
    --uc-newTab-wallpaper: url("YOUR_IMAGE_PATH");
  }
}

• userContent.page.dark_mode.pdf