So I downloaded the patched xul.dll file recommended for this theme, but when I replaced the existing file with the patched one and started Firefox, I was met with these errors: Since I replaced the ...

I'm trying to replace the xul.dll file with the patched version that is required to run Echelon, but it won't let me even when I click "continue".

Mozilla platform evangelist Mark Finkle has announced the release of XUL Explorer 0.7, a helpful utility that simplifies the process of creating a new XUL applications and makes it easy to experiment ...

I just finished sitting in on the Mozilla developer chat with Brendan Eich and Kevin Lynch regarding today's announcement by Adobe that they are open sourcing the ActionScript Virtual Machine and ...