泷涯
This is a known bug and I have already released a new version a few days ago, now it is waiting Google's review, please wait.
I'm busy recently, I will work on it when I have free time
HE have modified this header, it have taken effects, but Firefox does not completely follow Cache-Control header. When no rules enabled:  When rule with a short time (10...
I have made a simple test by written a new Extension which only modify "Location" header directly. Then I found that if the original response headers include "Location", the modification...
I searched the documentions, maybe because the status code is not 301 or 302, so browser will ignore location header
There is no such API to modify status code but I found that you can redirect requests in "onHeadersReceived" stage, I'm thinking about how to implement it in HE
I don't know is webRequest a persistent event or not, but even if it is, HE still require reading rules from database when starting up. It may take a few...
Please upgrade to 4.x
Where do you type?
It is difficult to detect which rules are applied to a page, because a web page will have manu requests, but HE can not detect which request corresponds to which...