The Confrontation mode groups vehicles from a specific nation against similarly tiered vehicles from another nation to see who ends up the victor. Wargaming was quick to point out that it had yet to balance this mode and that Japanese and Chinese vehicles are not available in these fights.
There's more to Update 8.11 than the Confrontation mode, however. The team's added Windstorm, a new European winter-themed battle arena, and revamped the Ruinberg and Himmelsdorf maps.
[Source: Wargaming press release]