Here are several videos showing the test results of the newly released Fujifilm X-T3 firmware 3.00.

The most important features introduced with the Fujifilm X-T3 firmware 3.0.0 are the improved face and eye tracking, stable exposure in face and eye tracking, supports smaller face tracking (10% of vertical, now down to 7%), Non-stop phase detection AF, when focusing between long distances and improved Quick touch-screen response. These features have been introduced with the new Fujifilm X-T30, which shares the same sensor and image processor as the X-T3.
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https://www.dailycameranews.com/2019/04/fujifilm-x-t3-firmware-3-00-tests/