/sigh really frustrated / annoyed. moving from 4.7.6 to 4.9.0 killed my project

I ,
I am very sorry to hear about your trouble. The issue does not ring any bells to me personally but I have passed along a link to somebody in QA to see if they have any ideas.

Feel free to PM me if you are not able to get any traction. Issues like this are very serious to us.

It may help to post any log lines here, including the lines saying filename too long etc.