Mozilla kept me from Firefox for years. The idiotic "view source" that actually re-fetched the page made it utterly worthless for development and when the bugs were filed, they were promptly ignored.
That said, with the except of one FF push on OSX that broke Netflix for a few days I've been pleased with the changes. Safari's constant memory leaks drove me nuts, FF leaking memory wasn't as bad but certainly annoyed. They've solved that problem for my usage and having suffered with Chrome "dev tools" I continue to use FF and Firebug for front-end work when need be.
That said, with the except of one FF push on OSX that broke Netflix for a few days I've been pleased with the changes. Safari's constant memory leaks drove me nuts, FF leaking memory wasn't as bad but certainly annoyed. They've solved that problem for my usage and having suffered with Chrome "dev tools" I continue to use FF and Firebug for front-end work when need be.