During this interwar era, a series of prototypes emerged that would not actually see service, but their designs were later used to build future generations of tanks, including fast, mobile tanks.

Source: https://247wallst.com/special-report/2023/07/30/the-slowest-and-fastest-tanks-ever-used-by-the-us-military/

Even though there were tanks with rotating top-mounted turrets made as early as 1917 (such as France's Renault FT), the configuration didn't become the norm until the interwar period.

Source: https://www.slashgear.com/1467755/major-differences-between-ww1-and-ww2-tanks/