- When opening it for the first time, the current tab is not visible and is not selected in tab list until you manually switch to another tab.
- dark theme isn't activated when Windows theme is changed to dark theme. (as Firefox automatically changes its theme to match Windows theme).
- When moving mouse over a tab in tab list it would be nice to show that tab's full title on a tooltip message in case sidebar width is small that only part of tab title is visible.