I've a localized taxonomy with 3 levels. In a (tabular) view displaying the node title + a column with all taxonomy terms for that node, the terms are correctly translated in the table cells.
The taxonomy is exposed to the user through an exposed filter (term ID with depth, showing hierarchy, drop down list), but the terms in the drop down list are not translated (see screenshot in attachment). The filtering actually works correctly, but it is of course confusing to the end user. Translation does work correctly on "plain" term id (without depth) by the way.
So I assume this is because there's no i18nviews_handler_filter_term_node_tid_depth (working on a quick and dirty patch)