I don't know what you did yesterday, but i did make my company throw away 2 months of progress.
It all started in the beginning, since that i've made numerous complaints about the workflow or code and how to improve it. I've been told off every time, and every time i either told the boss who agreed in the end or wrote code to prove myself. Everything was a hassle and my tasks weren't better.
Team lead: you'll do X now, please do that by making Y.
Me: but Y is insecure, we should do Z.
Team lead: please do Y
Later it turns out Y is impossible and we do Z in the end...
Team lead: please do W now
Me, a few days later: i've tried and their server doesn't give http cors headers, doing W in the browser is impossible
Team lead, a few days later: have you made progress on W?
Me: * tells again it's impossible and uploads code to prove it *
Team lead: * no response *

After that i had enough. Technically i still was assigned to do W, but i used my time to look over the application and list all the things wrong with it. We had everything, giant commits, commented out code, unnecessary packages, a new commit introduced packages that crashed npm install on non-macs, angularjs-packages even though we use angular, weird logic, a security bug, all css in one file even though you can use component-specific css files...

I sent that to my boss, telling him to let the backend-guys have a look at it too and we had a meeting about this. I couldn't attend but they agreed with me completely. They decided to throw away what we have already and to let one of the backend-guys supervise our team. I guess there will be another talk with the team lead, but time will tell.
It feels so good having hope to finally escape this hellish development cycle of badly defined task, bad communication and headache-inducing merges.