For the record, this looks like it’s yet another regression that was introduced by revision 1280 (tab switching animation improvements). The preview image gained a negative top margin of the height of the tab chrome, which would explain the issue (it doesn’t explain why the issue is not apparent for all tabs though).
For the record, this looks like it’s yet another regression that was introduced by revision 1280 (tab switching animation improvements). The preview image gained a negative top margin of the height of the tab chrome, which would explain the issue (it doesn’t explain why the issue is not apparent for all tabs though).