"markdown here" not working in gmail

Hello,
the markdown here extension does not work in gmail, but works in zimbra email.
Can anybody encountered this problem?
Is there a solution ?
Thank you very much for your help

Vladimir Vinarsky

@vladimir.vinarsky

Did a search and found a comment online:

As many have reported, it has a bad conflict with Gmail Offline and Google Drive. When it is enabled at the same time that either of those Google extensions is enabled, they very quickly start using 100% CPU.