I2 Localization Support
You can enable I2 Localization support with Project Settings… / New UI Widgets / I2 Localization Support / Enable. If I2 Localization not installed option will not be available.
Disable support with Project Settings… / New UI Widgets / I2 Localization Support / Disable.

Note
Support is enabled only to installed platforms. Platforms that were added after it requires enabling support again.