Thunderbird 68+

CMB will not be updated for Thunderbird 68+, please don't ask for it. I'm done with Mozilla and their lies about keeping the "old" add-on eco system in Thunderbird. This add-on will not be rewritten by me again! Use CustomCSSforTb instead

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CustomizeMyBird for Thunderbird 52-60.x

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CustomizeMyBird 2.0 offers Thunderbird features known from

• previous CustomizeMyBird versions
• NewScrollbar add-on
• Classic Toolbar Buttons add-on
• NoiaButtons add-on
• Add-ons Manager - Version Number add-on

Features

• Tabs: switch between default tabs and classic squared tabs (+ Aero blue colors)
• Tabs: custom height
• Tabs: custom border roundness
• Tabs toolbar: hide Lightning buttons
• Tabs and tab toolbar buttons: switch positions (Windows/Linux)
• Main menubar: above/below tabs toolbar (Windows/Linux)
• Main menubar: compact view (Windows/Linux)
• Main menubar: Aero blue colors
• Main toolbar: compact view
• Window header: custom colors
• Toolbars: default colors / Aero blue colors
• Statusbar: hide status bar
• Quick-filter-bar: move below mail list (if visible)
• Attachments: move above mail content (if visible)
• Attachments: move button to start position (if visible)
• Main menu button alternative appearance: customizable colors, text, icons
• Add-ons Manager: alternative appearance (+ Aero blue colors)
• Add-ons Manager: compact view
• Add-ons Manager: show version number
• Toolbar buttons appearance known from 'Classic Toolbar Buttons'/'NoiaButtons' add-ons
  • classic appearance for menubar, tabs toolbar and main toolbars
  • custom border roundness for buttons on menubar, tabs toolbar and main toolbars
  • custom minimum height and width for buttons on menubar and main toolbars
  • custom icons: Thunderbird 1-3, macOS, dark, bright, Noia large/medium/small/tiny
  • icons: reduce icon size on hover
• Scrollbar settings
  • hide scrollbars / scrollbar buttons
  • custom size
  • custom opacity
  • background color/gradient
  • thumb color/gradient/roundness/border
  • button color/gradient/roundness

Compatibility

• compatible to Lightning
• compatible to Windows, Linux, macOS
• compatible to light and dark lw-themes (aka Personas)
• partly compatible to complete/full themes (only a few options are available on preferences window btw. preferences tab)