As with practically every single one of the major updates in recent months, there have been a lot of changes made in update 1.0.1! Here's the full, official list of them in the form of patch notes.
There are 30 Tiers available in the mode
Graphics & Interface
“Suspicious message” alert
New rules of purchasing shells and consumables
Added information about clans in the Stronghold mode
Improvements and Fixed Issues
Italian Research Tree
The following vehicles have been added (Tiers I-X):
Changes to Vehicle Characteristics
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