What steps will reproduce the problem? 1. Paste a har file w/o mimeType

What is the expected output? What do you see instead? It should render it as usual, but it tells me log.entries[1].response.content.mimeType is missing and it is not optional

What version of the product are you using? On what operating system? 2.0.15

Please provide any additional information below.

Please attach a HAR file that can be used to reproduce the problem.

I'm using your hosted version. http://www.softwareishard.com/har/viewer/

This is a blocker.. Many (most) of the har exports from Chrome are broken due to this. Anyone looking into it?

I'll take a look at it.

Would you have time to provide a patch?

Honza