I found the related line in the code: It's in LoginManagerContent.js at line 643. https://mxr.mozilla.org/mozilla-central/source/toolkit/components/passwordmgr/LoginManagerContent.jsm#643
It checks deliberately for the lowercase username. Last edit was by <email address hidden> on #839961 but this was just a refactoring. I don't know enough git blame to get the actual author.
I found the related line in the code: It's in LoginManagerCon tent.js at line 643. https:/ /mxr.mozilla. org/mozilla- central/ source/ toolkit/ components/ passwordmgr/ LoginManagerCon tent.jsm# 643
It checks deliberately for the lowercase username. Last edit was by <email address hidden> on #839961 but this was just a refactoring. I don't know enough git blame to get the actual author.