yahoo email forwarding not working

Recently yahoo apparently had big trouble with a new release, of which I have been a victim.

No more email forwarded to my gmail account for some 15 days, leaving me really puzzled "hey, why nobody is answering to my emails?"

Click on the cogwheel on the top right, choose "settings", where it says "Yahoo account " click on the Edit button on the right, and check that the "Forward" radio is selected, with the proper email.

In the same Account page, make sure that Yahoo didn't replace the main Accounts email with something weird (in my case it replaced it with a very old hotmail account)...

I have read somewhere that in Yahoo there is a culture of "don't deploy anything new to PROD for fear of breaking it", with only few mega-releases once in a while. I don't know if this is true, but by the look of it it seems reasonable.. these MAJOR botch-ups are typical of companies that deliver too many changes at a time and don't have a culture of incremental small frequent changes.