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At integrations, at the bottom you can add Incoming WebHooks
When someone adds a bug and assings it directly to me, I didn't get a email.
It's already possible. You can check the checkboxes, then click on the gear button and choose "edit fields"
Today i had also this problem. Nothing with javascript was working. It was about 8 hours ago.
When I have the project page open in my browser and my colleague reports a new bug I don't see it until I refresh the page
Editing bug is not working. Not only project section:

POST https://bugtrack.in/en/projects/2590/bug/6/edit-details 400 (Bad Request)
I've addes first 1.0.0.0 and later 1.0.1.0 but when I want to add a bug 1.0.0.0 is selected