It could have been a great addon, because it is quick, nice, and easy... but there are 3 main issues with OneTab :
- Issue #1: All the tab histories are lost. Only the last page is retained. This is certainly the worst of the issues.
- Issue #2: local page like about:addons are well in the OneTab group, but can't be restored.
- Issue #3: If I enable the addon "Open Tab Next To Current", then when I restore the OneTab, all the tab order is reversed.