Lukas B.

Does it also happen if you just call `flow status`? If not please also try `flow status --json` and check if there is any difference.

What do you mean by _$Diff is not defined_? Does the `Linter` tab contain a message like this:  If so please checkout https://github.com/gajus/eslint-plugin-flowtype

One of the reason is that linting and getting the coverage are two "requests" to flow that basically happen at the very same time. Did you find anything? Having a...

I have noticed this too, but I cannot reproduce this problem reliably. Do you have some code and exact steps to reproduce this that you can share?