So I did some CSS changes on my local, ran git add ., git commit -am \"Hello\", git push heroku master, and for some reason two commmi
I had this issue this morning, and I couldn't figure it out. I looked at the files on the instance, and they were correct, but the site was still serving up the old version.
My solution, delete the instance and start over. The new instance was responding appropriately to git push, so this makes me think that there could be a deeper issue in heroku's infrastructure.