The private study requirement to review the Targum was never entirely relaxed, even when Jewish communities had largely ceased speaking Aramaic, and the Targum never ceased to be a major source for Jewish exegesis. For instance, it serves as a major source in Shlomo Yitzhaki's Torah commentary, "Rashi," and has always been the standard fare for Ashkenazi Jews onward.
The private study requirement to review the Targum was never entirely relaxed even when Jewish communities had largely ceased speaking Aramaic, and the Targum never ceased to be a major source for Jewish exegesis. For instance, it serves as a major source in Shlomo Yitzhaki's Torah commentary, "Rashi" and has always been the standard fare for Ashkenazi Jews onward.