от steva (Разработчик) на Ноя. 6, 2018 · permalink

Thank you for your feedback. Concerning the macOS Dock icon, there is a way to use the dark TB logo that I made for the About dialog (that's what I do on my own machine). For that:

1. Go to the macOS "applications" folder;

2. Right-click the "Thunderbird" software icon and select "get info";

3. Download the theme's file and uncompress its content;

4. inside the package, go to the "about" folder (chrome/global/about) and open the "about-logomark.png" with a browser;

5. From your browser, drag and drop the "about-logomark.png" image into the macOS "info" window (that you previously opened) where there is the default Thunderbird icon in the top left corner of the window;

6. If already opened, close Thunderbird, then remove the current Thunderbird shortcut icon in your dock (right-click the icon in the dock and select: "options/remove from dock");

7. Open Thunderbird (the new custom icon should display instead of the default one), right-click the new custom Thunderbird icon, then "options", then "keep in dock";

8. If you want to have the default TB icon back, follow the first 2 steps, then open a png file of the default logo in a browser and finally follow again the number 5, 6 and 7 steps described above.

If you have questions, you can use the support link next to the add-on description to contact me.