version 0.14.15 windows
correct
error
$$
\left.\frac{\partial u}{\partial x}\right|_{x=2}
$$
Please resubmit this bug report and make sure that: 1) you follow the bug report template, 2) you use the default theme (no css) and 3) there are no third-party plugins enabled (You can use the sandbox vault for 2 and 3).
Sorry, I had resubmitted.