Could you please ,

● make ability to select items in tab list via checkboxes and a cursor-drawing rectangle ?

- example : one checkbox per item. a checkbox for selecting all items. several buttons or a drop-down menu at top for manipulating selected items .

- example : after activate a button or switch, use cursor to draw a rectangle for selecting items .

● make ability to select items in tab list via keyboard ?

● show title + url + index + status (current;loaded/suspended) as a tooltip when cursor hovering on a item in tab list ?

● draw a side border and box-shadow on current tab ?

- example : #current-tab { border-left: 0.5em solid hsl( 210, 87.5%, 62.5%); box-shadow: 0 0 0 0.1em hsla( 240, 100%, 50%, 0.5) inset; background-color: hsla( 180, 100%, 50%, 0.125); }

● make a optional dark theme for popup menu and side bar and preferences page, in order to take care of eyes at night ?

If not, make a optional theme which inherit colors from browser, in order to keep visibility and color consistency when the theme of browser is not bright ?

● make font size and vertical spacing in tab list able to be changed to user specified values ?

- example : .tab-list > .item { font-size: 1.50em; line-height: 1.75; }

- example : .tab-list > .item { font-size: 1.75em; height: 2.0em; margin-top: 0.1em; }

● automatically adjust popup menu height in order to keep visibility when DPI is higher than 200% ?

● make popup menu width able to be changed to 1920px ?

● make preferences page able to display as a single page outside the addon manager ?

● make settings able to export and import ?