Chrome Network Request does not show Cookies tab, some request headers, Copy as cURL is broken

Question

Since I upgraded to Chrome 72 the "Cookies" tab in Developer Tools -> Network -> A network request no longer shows the "Cookies" tab, and the request headers no longer include Cookies.

Furthermore, right clicking on a network request and selecting Copy -> Copy as cURL gives a curl command without the proper request headers / cookies.

See screenshots comparing Chrome with Cookies tab / request headers, and Chrome without them.

It looks like this:

Answer 1

I filed a bug report on the chromium project, and got an answer to disable chrome://flags/#site-isolation-trial-opt-out and chrome://flags/#network-service.

However, chrome://flags/#site-isolation-trial-opt-out may affect things such as vulnerability to Spectre-like attacks. So I did not disable it.

I did disable chrome://flags/#network-service and now it works properly.

Now it looks like this: