Open Tab Next Right to Current от toshi

This extension affects the behavior of opening new tabs.

The following behaviors are affected:
+ New tab created from current tab open next right to current tab.
+ Second and subsequent new tab also open next right to current tab.
+ New tab created from pinned tab open next right to last pinned tab.

The following behaviors are controlled so that they are not affected:
+ New tab created from Window open to right edge the window.
+ New tab created from Shortcut open to right edge the window.
+ New tab created from Bookmark open to right edge the window.
+ New tab created from Tab Contextmenu open next right to current tab.
+ Restore closed tab/window to original state.

*This does not apply if it interferes with other extensions or settings.
*In particular, Firefox's tab-related extensions often interfere with this functionality.